flash_cards_basic_-_fall_2023_20240520023410 Flashcards
What part and section of the OHS code describes the membership of a joint work site health and safety committee? A part 12 section 197 B part 13 section 197 C part 14 section 197 D part 15 section 197
B part 13 section 197
What part and section of the OHS Code describes the requirements and options for protective footwear? A part 18 section 229 B part 18 section 232 C part 18 section 233 D part 18 section 236
C part 18 section 233
What part and section of the OHS code describes the requirements for work training about WHIMIS? A part 29 section 394 B part 29 section 395 C part 29 section 396 D part 29 section 397
D part 29 section 397
What are the first aid requirements for low hazard work at a close worksite with 5 to 9 workers at the worksite per shift
One emergency first aid are one standard first aider number to first aid kit three blankets two standard first aiders number to first aid kit three blankets
Two standard first aiders number three first aid kit three blankets stretcher splint
One emergency first aider one standard first aider number to first aid kit
One emergency first aider one standard first aider number to first aid kit
What is an employer responsibility with regard to hazard assessment on the work site?
A to provide easy and immediate access for any worker to the OHS act regulation and code at the worksite
B to ensure suppliers are aware of their responsibility to provide necessary information on any hazards related to their products
C to develop a plan to illuminate or control any hazard identified at the worksite
D to ensure all workers participate in daily meetings to inspect their tools and plan to work
C to develop a plan to illuminate or control any hazard identified at the worksite
How is the Worker’s Compensation Board of Alberta funded?
100% of the funding for the WCB comes from employers in Alberta
75% of the funding from the WCB comes from employers and 25% comes from the provincial government
50% of the funding for the WCB comes from employers 25% from the provincial government and 25% from employees
33% of the funding for the WCB comes from employers 34% from the provincial government and 33% from employees
100% of the funding for the WCB comes from employers in Alberta
What are the four categories of workplace hazards?
Ecological chemical ergonomic physical
Biological chemical ergonomic physical
Biological, ecological, chemical, physical
Chemical, physical, psychological, ecological
Biological chemical ergonomic physical
What is an example of an engineering control for worker protection? Renovation Subdivision Isolation Activation
Isolation
When is an administrative control put in place for worker protection?
To identify the correct personal protective equipment to be used in a hazardous situation
To document the details of the implementation of an engineering control
When an engineering control cannot eliminate or control a hazard
To isolate a hazard through containment or enclosure
When an engineering control cannot eliminate or control a hazard
Who is responsible to have an emergency response plan in place at the worksite?
Employees
OHS inspectors
Joint work site health and safety committee
Employers
Employers
What part of the OHS code covers first aid requirements at the worksite? Part 10 Part 11 Part 12 Part 13
Part 11
What must your employer do if first aid supplies are stored in secured containers at the worksite?
Ensure the containers are clearly marked to indicate their contents
Ensure the containers are stored in a dust proof environment
Ensure the containers are not start more than three layers high
Ensure the containers are inspected monthly to ensure contents are safe
Ensure the containers are clearly marked to indicate their contents
What number and type of first eaters must your employer ensure our present at an isolated worksite with low hazard assessment rating and 65 workers at the worksite per shift?
One standard first aider
One standard first aider and one emergency first aider
Two standard first aiders
Two standard first aiders and one emergency first aider
Two standard first aiders
What is the duty to use personal protective equipment according to the Alberta OH and S code?
A clause that must be included in the employment contract of every construction worker in Alberta
A sign that must be posted at the entrance to any worksite where PPE is required
The part of the OHS code that describes the different type of PPE to be used on the work site
When you and your employer must do if a hazard assessment identifies the need for use of PPE
When you and your employer must do if a hazard assessment identifies the need for use of PPE
Who is responsible to ensure worksite emergency response plans remain up-to-date? The employer The employer and the employees The employees The OHS inspector
The employer and the employees
When a worksite hazard assessment identifies that workers are required to wear PPE what is your employees responsibility?
Ensure all workers are informed about the need to wear PPE
Ensure all workers properly use and where the required PPE
Put a posters indicating a hazard assessment has identified that PPE is required
Ensure all workers are provided with funding to purchase required PPE
Ensure all workers properly use and where the required PPE
What is an employees responsibility with regard to the use of PPE?
To inspect your PPE once a month
To modify poor fitting PPE so it fits properly
To inspect your PPE prior to each use
To wear your PPE only when you sent an accident may happen
To inspect your PPE prior to each use
Industrial protective headwear must comply with what standard? ULC PPE WCB CSA
CSA
What is not an obligation your employer assumes went to hazard assessment indicates the need for PPE?
To post a duty to use personal protective equipment sign at all entrances to the worksite
To ensure employees are trained in the youth care limitations and maintenance of their PPE
To ensure Workers properly use and wear PPE
To ensure the PPE is in a condition to perform the function intended
To post a duty to use personal protective equipment sign at all entrances to the worksite
What is the characteristic of protective footwear with a yellow triangle on the outer side or tongue of the right shoe?
Sole puncture protection and grade 2 protective toe
Sole that provides electrical shock protection and a grade to protective toe
Sole puncture protection in grade one protective toe
Soles that provide electrical shock protection and a grade one protective toe
Sole puncture protection and grade 2 protective toe
In what situation is your employer obligated to provide you with proper PPE according to the OHS code?
When required PPE must be replaced more frequently than once per year
When required PPE must be replaced more frequently than once every two years
When workers are exposed to respiratory hazards or excessive noise levels
When workers are exposed to respiratory hazards only
When workers are exposed to respiratory hazards or excessive noise levels
What standard must a full body harness meet if manufactured on or after July 1, 2009?
a) WCB
b) ULC
c) PPE
d) CSA
d) CSA
How often must you inspect your fall arrest equipment?
a) before use on the first shift of the week
b) before use on first shift of the month
c) before use on each shift
d) only after equipment has been used to protect you from a fall
c) before use on each shift
What is the minimum distance a ladder must protrude above the intended landing point?
a) .3m
b) 1m
c) 1/4 the length of the ladder
d) 1/4 the distance of the base of the ladder from the base of the wall or structure
b) 1m
The safety factor for a scaffold must be designed and constructed to support at least:
A) three times the load that may be imposed on it
B) four times the load that may be imposed on it
C) five times the load that may be imposed on it
D) six times the load that may be imposed on it
C) five times the load that may be imposed on it
At what height must an employer have a guard rail erected for a temporary work area? A) 8 feet B) 10 feet C) 12 feet D) 14 feet
B) 10 feet
When conducting a hazard assessment related to lifting and handling a load your employer must consider the:
A) Weight size and shape of the load
B) cost of renting moving equipment
C) insured value of the load to be moved
D) number of people required to move the load
A) Weight size and shape of the load
What is not an example of a recommended lifting technique? A) avoid awkward postures B) lift loads smoothly C) lift no higher than eye level D) begin lifting at knee level
C) lift no higher than eye level
What is the goal of proper lifting technique?
A) to constantly practice lifting to become more skilled
B) to increase lifting efficiency and capacity with practice
C) to increase the number of lifts performed per day
D) to eliminate loading stresses on the soft tissue of your lower back
D) to eliminate loading stresses on the soft tissue of your lower back
How is safe working load SWL defined?
A) Breaking strength divided by the safety factor
B) safety factor divided by the breaking strength
C) The ultimate tensile strength
D) The safest way to move and lower a load
A) Breaking strength divided by the safety factor
What does the term shock loading mean when applied to rigging equipment?
A) A stray spark from a work operation occurs when the sling has the load applied to it
B) The sling is exposed to stress by having the load suddenly started or stopped
C) The sling comes into contact with an electrical conductor when the sling is loaded
D) The sling is used as an electrical conductor to connect to a load sensor in the lifting equipment
B) The sling is exposed to stress by having the load suddenly started or stopped
What rigging factor of safety is to be used when lifting and transporting workers? A) 2:1 B) 5:1 C) 10:1 D) 20:1
C) 10:1
How often must rigging be inspected?
A) when first put into service and every three months after that
B) at the beginning of each work a shift
C) At the beginning of the first shift of the month
D) at the beginning of the first shift of the week
B) at the beginning of each work a shift
What is the recommended sling angle when rigging a load?
A) The sling angle must never be greater than 45°
B) The sling angle must never be less than 45°
C) The swing angle must never be greater than 60°
D) The swing angle must never be less than 60°
D) The swing angle must never be less than 60°
Permanent eye damage in the form of cataracts or retinal damage may result from over exposure to which of the harmful light ray? A) visible B) infrared C) ultraviolet D) reflected
B) infrared
What type of radiant energy can cause welding flash? A) Visible light B) infrared light C) ultraviolet light D) gamma rays
C) ultraviolet light
What must be done when the general public is exposed to harmful welding rays?
A) put up proper screens and warning signs
B) let people look out for themselves
C) Weld only when no one is around
D) avoid the use of a long arc length
A) put up proper screens and warning signs
What should you do immediately if you receive a major contact burn?
A) rub the affected area with antibiotic cream
B) seek professional medical attention
C) cool the burned area by immersing and cool still water
D) place the burned area under a fast running warm water tap
C) cool the burned area by immersing and cool still water
One of the most common workshop hazards is: A) heavy weights B) high noise levels C) other workers D) poisonous gases
B) high noise levels
Hearing protection should be worn when the noise level is above: A) 65 dB B) 85 dB C) 115 dB D) 135 dB
B) 85 dB
What type of eye protection is recommended for grinding operation? A) Full face visor and safety glasses B) Side shields C) welding goggles D) Photo electric welding helmet
A) Full face visor and safety glasses
What shade of filter plate is recommended for medium amperage GMAW operations A)9 B)10 C)11 D)12 or over
C)11
What type of material offers the best protection against sparks and molten slag? A) leather B) wool C) nylon D) Cotton
A) leather
What gloves are recommended for oxy fuel cutting?
A) hard twist cotton
B) silicon treated nylon
C) dry tanned leather gauntlet style
D) Oil treated cowhide with external cotton stitching
C) dry tanned leather gauntlet style
Why is a fit test important when using a respirator?
A) so more than one worker can use it
B) so you look professional on the job
C) to prevent inward leaks of contaminated air
D) so you do not have to shave every day
C) to prevent inward leaks of contaminated air
Poisonous phosgene gas can be created by vapours of chlorinated hydrocarbon degreasers when the vapours are acted upon by
A) local or general ventilation
B) High concentrations of visible light
C) heavy volumes of fumes
D) ultraviolet radiation from the welding arc
D) ultraviolet radiation from the welding arc
What type of respirators use filters and cannot be safely used in oxygen deficient atmosphere? A) Air purifying B) Airline C) self-contained breathing apparatus D) emergency escape breathing apparatus
A) Air purifying
Which metal when heated or welded will cause metal fume fever if the fumes are inhaled?
A) aluminum
B) zinc
C) chromium
D) cobalt
~~~
B) zinc
When oxygen reacts with ultraviolet light from welding the gas produced is: A) phosphine B) nitrogen dioxide C) Ozone D) carbon monoxide
C) Ozone
When welding on metal plated with cadmium
A) Beautifully date deoxidized filler metal to avoid porosity
B) consult MSDS for safety procedures to follow
C) General mechanical ventilation is adequate provided there are four complete air exchanges per hour
D) a dust filter mask should be worn
B) consult MSDS for safety procedures to follow
Hydrogen sulphide gas found in oil and gas wells and concentrations as low as 700 ppm may cause: A) an uncomfortable rotten egg smell B) unconsciousness and death C) an explosion D) Burning of the eyes and throat
B) unconsciousness and death
The first line of defence against welding fumes and gases is:
A) A supplied air respirator
B) source extraction equipment
C) to complete all welding during the first half of your work shift
D) to weld outside
D) to weld outside
What device breaks the current flow while still at a low level to protect people from electric shock
A) heavy duty circuit breaker HD CB
B) Ground fault circuit interrupter GFCI
C) Heavy duty electrode holder HDEH
D) Transformer rectifier silicon diode TRSD
B) Ground fault circuit interrupter GFCI
A vessel that has contained a flammable substance can be made safe from welding by:
A)Steaming thoroughly and welding well hot and still full of steam
B)Steaming well, then allowing the best such a cool and dry out
C)sealing all Vince tightly to prevent atmospheric air from getting inside
D) using a hot water flush, followed by cold water and a drying out period.
A)Steaming thoroughly and welding well hot and still full of steam
When working in confined spaces it is recommended that cutting torches be ignited and extinguished: A) outside The confined space B)Inside the Confined space C) Near the confined space D) where ever it is most convenient
A) outside The confined space
Before entering a vessel to make repairs, you should insist on testing the vessel for: A) Leaks in the vessel and piping B)Fumes and oxygen deficiency C)Corrosion or erosion tolerances D)Blockages in ventilation systems
B)Fumes and oxygen deficiency
Where a worker is authorized to enter a confined space, it must be verified that the oxygen content is: A) 7% to 12% by volume B) 2 psi to 12 psi C)19.5% to 23% by volume D)24% to 29% by volume
C)19.5% to 23% by volume
The base of an inclined ladder should be no further away from the base of a wall than:
A) 1 m out for every 2 m a vertical height
B)1/2 the total length of the ladder
C) 1/4 of the vertical height from the base of the ladder to where the ladder contacts the wall
D)1/3 of the vertical height of the supporting wall
C) 1/4 of the vertical height from the base of the ladder to where the ladder contacts the wall
The employer shall insure that cylinders containing acetylene are:
A) secured in a vertical position
B) identified using a designated colour code
C)League tested at least once every two years
D)Equipped with useable plugs on the top and bottom of the cylinder
A) secured in a vertical position
A worker shall not work or position himself under a raised vehicle or trailer unless it is supported by:
A) stands or blocks
B)A jack with locking pins
C)Hydraulic jacks that do not leak
D) an empty steel barrel on a crossmember
A) stands or blocks
A load on a scaffold must not exceed what percent of the design load for the scaffold A) 50% B) 35% C) 25% D) 20%
C) 25%
A tool rest on a fixed grinder must be:
A) adjusted when the grinder is in motion
B)Such a minimum 6 mm from the wheel
C)Positioned for grinding on the side of the wheel
D) set to a maximum of 3 mm from the face of the wheel
D) set to a maximum of 3 mm from the face of the wheel
Who is responsible for the personal safety of everyone in the shop
A) shop foreman
B) plant superintendent
C)Individual worker
D) Alberta occupational health and safety
C)Individual worker
Who is responsible for providing workers with WHMIS training?
A) The supplier of control products
B) A training institute or provider
C) The employee must obtain their own training
D) The employer must provide the training
D) The employer must provide the training
Employers are responsible to:
A) provide an MSDS for each controlled product used in the workplace
B) inform all workers about chemical hazards at the worksite
C) Train workers about labels MSDS and other identifiers
D) all of the above
D) all of the above
Suppliers of control products are responsible to:
A) train employees to see if we dispose of hazardous products.
B) provideMSDS for controlled products they sell or import
C) provide extra labels for employees to use when transferring control products from the original container
D) visit work sites to ensure control products are labelled properly
B) provide MSDS for controlled products they sell or import
Employees are responsible to: A) classify controlled products B) train other employees about WHMIS C) apply workplace labels where and when required D) ensure SDS are readily available
C) apply workplace labels where and when required
The key elements of WHMIS are:
A) employee education, MSDS and product labelling
B) Hazard products act, OHS and MSDS
C) employee labeling, MSDS and employer training
D) product labeling, OHS and controlled product regulations
A) employee education, MSDS and product labelling
The goal of WHMIS is to:
A) ensure workers have containers for a controlled products
B) ensure suppliers of control products provide training for all employees
C) protect the worker by providing information on hazardous materials
D) ensure that the requirements for information on hazardous materials are unique to the requirements of each province
C) protect the worker by providing information on hazardous materials
an SDS must be provided for each controlled product because they:
A) provide only the essential information from the label and are easier to read in an emergency
B) contain the generic product names and are easier to locate and read than the labels on the containers
C) are only for the employers use when an emergency arises and they can be retrieved from a secure location
D) provide more detailed information that can be provided on a label
D) provide more detailed information that can be provided on a label
The supplier label is attached to the:
A) container in which the product is shipped
B) container in which the product is stored
C) worksite near where the product is used
D) invoice where the product is delivered
A) container in which the product is shipped
How do you identify a portable gasoline container that is approved for use? It:
A) is approved under the Alberta occupational health and safety code
B) is approved by the Alberta hazardous materials control regulations
C) has a MSDS label affixed to the outside of the container
D) is approved by either one or both of the ULC or CSA
D) is approved by either one or both of the ULC or CSA
ventilation system requirements for the worksite are found in the:
A) provincial and national building codes
B) Alberta occupational health and safety code
C) WCB worker handbook
D) Alberta construction safety association
B) Alberta occupational health and safety code
Before entering a confined workspace you should:
A) Assemble all necessary tools and equipment to ensure easy access while working in the confined space
B) contact your employer to attain information on dangerous gases present in the confined workspace
C) discuss your work plan with other workers who may have worked in a similar confined space
D) use a gas detector to determine whether the area contains any dangerous fumes or gases
D) use a gas detector to determine whether the area contains any dangerous fumes or gases
What type of fire extinguisher is versatile in fighting different types of fires A) regular dry chemical B) purple K dry chemical C) multi-purpose dry chemical D) dry powder
C) multi-purpose dry chemical
When should you not fight a fire for personal safety reasons?
A) you are wearing fire retardant clothing
B) The fire could block your escape route
C) The fire extinguisher sure does not have an inspection certificate
D) you have not activated the fire alarm
B) The fire could block your escape route
What are the four steps of proper portable fire extinguisher use?
A) pull the pin, arm the extinguisher, squeeze the handle, touch the surface after the fire is out.
B) pull the pin, aim the extinguisher, sweep the extinguisher, touch the surface after the fire is out
C) pick up the extinguisher, arm the extinguisher, squeeze the handle, sweep the extinguisher from side to side
D) pull the pin, aim the extinguisher, squeeze the handle, sweep the extinguisher from side to side
D) pull the pin, in the extinguisher, squeeze the handle, sweep the extinguisher from side to side
Which of the following portable fire extinguishers should be used to fight a small fire burning in a pile of discarded oily rags A) class A only B) class a, B and C C) class C only D) class D & K
B) class a, B and C
A class C fire involves: A) electrical equipment B) combustible metals C) flammable liquids D) household combustibles
A) electrical equipment
It is dangerous to use chisels that have:
A) hard points
B) mushroom heads
C) small cutting points
D) rough cutting edges
B) mushroom heads
A cold chisel that has a mushroomed head can be reclaimed by:
A) re-grinding to the recommended included angle
B)Grinding to the original shaft contour
C) re-tempering the mushroomed head
D) filing the head to a ball shape
B)Grinding to the original shaft contour
Why should file handles be on files?
A) they reduce the risk of injury.
B) they protect the tang from damage
C) they are available in a variety of attractive colours
D) they protect the cutting edges on the face
A) they reduce the risk of injury.
A split hammer handle is best repaired by A) Removing and replacing it B) Binding it with nylon string C) Wrapping it with copper wire D) Taping it with electrical tape
A) Removing and replacing it
The safest way to use a ranch is two A)Pull on it with study pressure B)Push it away from your body C)Tap on it get it started D) put a pipe handle on it for extra leverage
A)Pull on it with study pressure
A combination square consists of A)A square head B)A protractor C)A centre-head D) all of the above
D) all of the above
The most versatile type of square is the: A) Carpenter square B) Sliding T bevel square C)Combination square D) Try square
C)Combination square
A thin rule has been an advantage over a sick rule when A) Accuracy is a priority B)Storage room is a problem C)Rough shop conditions are experienced D) Great graduations are in 1/16th “
A) Accuracy is a priority
A good tool for accurately transferring measurements is a A) Tape measure B) combination square C)Vernier calliper D) Set of dividers
D) Set of dividers
A flexible steel rule is an advantage when A)Measuring long distances B)Laying out channel iron C)Finding the centre of circles D) Measuring on curved surfaces
D) Measuring on curved surfaces
To check whether or not a surface is a true vertical you would use a A)Torpedo level B)Framing square C)Protractor head D) Centre head
A)Torpedo level
What is the recommended length of a wraparound for making a straight line around pipe A)One complete turnaround pipe B)1 1/2 turns around the pipe C)Twice the pipe circumference D) Twice the pipe diameter
C)Twice the pipe circumference
The size of pliers is determined by the A)Length of the jaws B)Overall length of the tool C)Amount the jaws open D) Maximum diameter the tool can grip
B)Overall length of the tool
Vice grips have an advantage over pliers when:
A) The tool has to grip round material
B) A metric wrench is not available
C) You need to maintain constant pressure
D) You are working on a non-ferrous material
C)You need to maintain constant pressure
C clamps are size according to the A)Distance the clamp opens B)Overall length of the clamp C)Length of the screw thread D) Clamping screw diameter
A)Distance the clamp opens
A bar clamp has an advantage when: A)thick metal is being plant B)Clamping over greater distances C)Material needs to be clamped to a bar D) Pressure is applied in one spot
B)Clamping over greater distances
A 32 teeth per inch hacksaw blade is the best choice for cutting A)Hard material B)Soft material C)Thin stock D) Thick stock
C)Thin stock
Files are classified by the A)Jobs you have been asked to do B)Length shape and cut C)Size width and kind of material D) Sheep hardness thickness and cut
B)Length shape and cut
Call serrated blade snips have an advantage over tinners’ snip when
A)The metal is thicker than 16 gauge
B)14 gauge galvanized iron is being cut
C)Nonferrous metals are to be cut
D) Cutting smaller and more intricate patterns
D) Cutting smaller and more intricate patterns
Tinners snips are size according to the A)Length of cut per stroke B)Maximum jaw opening C)Thickness that can be cut D) overall length of the tool
D) overall length of the tool
How are open ended wrenches sized
A)By the total number of points
B)By measuring the distance across the points
C)By measuring the distance across the flats
D) By the depth of the socket
C)By measuring the distance across the flats
An adjustable wrench is recommended when
A)The point of the nut are rounded over
B)You are working with metric fasteners
C)A proper fitting wrench is not available
D) Square nuts are used instead of hex nuts
C)A proper fitting wrench is not available
Guards on bench grinders should cover A)1/4 of the wheel B)1/3 of the wheel C)1/2 of the wheel D) 2/3 of the wheel
D) 2/3 of the wheel
The gap between the tool rest and the grindstone on a bench grinder should never be more than A)1.6 mm B)3 mm C)6 mm D) 12 mm
B)3 mm
A grinding wheel is classified by
A)The size and type of abrasive and the type of bonding agent
B)The size and width of the stone
C)The outer diameter and the size of the Arbour whole
D) The shape and colour of the wheel
A)The size and type of abrasive and the type of bonding agent
Safety specifications to consider when selecting a grinding stone or disc is A)The grit size of the abrasive B)The type of bonding material C)The rpm rating of the stone or a disc D) The size of the tool
C)The rpm rating of the stone or a disc
Addressing tool is used for A) Putting a find finish on ground edges B)Refacing the surface of grindstones C)Squaring the tourist to the Grindstone D) Checking the clearance between the grind stone and the rest
B)Refacing the surface of grindstones
Bouncing or heavy vibration of the work piece wing grinding are indications that the Grindstone is A)A coarse grit B)Travelling too fast C)Out of round D) Worn out
C)Out of round
Before installing a new Grindstone you need to
A)Install a flat washer
B)Rowlett across the floor to check for out of round conditions
C)Inspect the wheel for cracks
D) Lubricate the centre hole
C)Inspect the wheel for cracks
The flutes have a drill bit A)Form the cutting edges on the point B) allow the chips to escape C)Cause the chips to curl D) permit cutting oil to reach the cutting edges E) All of the above
E) All of the above
The web of a drill bit: A)Separate the flutes B)Is the supporting section of the bit C)Gradually increases in thickness throughout its length D) All of the above
D) All of the above
The risk of the drill bit grabbing the work or breaking
A)Increases as the bit breaks through the workpiece
B)Can be avoided by using adequate lubricant
C)Can be minimized by running the drill faster
D) Only occurs when drilling hardened steel’s
A)Increases as the bit breaks through the workpiece
A V-block should be used when drilling holes in
A)Round material
B)L shapes
C)Non-ferrous material
D) Items were very accurate whole dimensions are needed
A)Round material
Hand drills are rated by the A) Horsepower rating B) Maximum rpm C) Depth they can drill D) Size of the chuck
D) Size of the chuck
apered shanks are most common on \_\_\_\_\_Drill bits A) Small B)Large C)Number D) Letter
B)Large
Slots in the drill press table are provided for A)Mounting the drill head B)Draining the cutting fluid C)Clamping jigs to the table D) Securing the column
C)Clamping jigs to the table
Magnetic base drill press is an advantage when
A)Drilling nonferrous metals
B)Very accurate drilling is required
C)Holes are drilled in the vertical plane
D) The cutting chips need to be removed
C)Holes are drilled in the vertical plane
Forming steel plate into cylinders is a process known as A) Breaking B) bending C)Pressing D) Rolling
D) Rolling
The main reason for using templates when forming steel is to:
A)Maintain accuracy
B)Increase production
C) eliminate tactical errors
D) Enhance your pattern development skills
A)Maintain accuracy
Before using a power break it is good practice to: A)Turn the machine on B)Check with your foreman C)Confirm the machine settings D) Takeoff your safety glasses
C)Confirm the machine settings
The power tool that is best suited for creating intricate shapes and multiple Benz is the A)Plate roll B)Power bender C)Power brake D) Hydraulic press
B)Power bender
Trip hammers are a good tool for A)Sharpening bucket teeth B)Pounding out dents C)Removing alignment pens D) Driving bolts into misaligned holes
A)Sharpening bucket teeth
What two factors must be considered when setting the blade clearance on a PowerShare
A)Hardness and ductility
B) shear strength and thickness
C)Material type and thickness
D)Sheer blade condition and lubricant type
C)Material type and thickness
One advantage of a vertical bandsaw is that it
A)Permits better operator visibility
B)Can be used to cut curves
C)Provides easy access for blade changes
D) Shuts itself off when the cut is completed
B)Can be used to cut curves
When cutting with a horizontal bandsaw it is possible to
A)Cut several pieces of barstock at the same time
B)Cut a variety of structural shapes
C)Start the cut and then go work on something else
D) All of the above
D) All of the above
A notcher is a cutting tool found on A) A bandsaw B) a cut off saw C)An ironworker D) A hydraulic press
C)An ironworker
Safe cutting of L shaped structures in a cut off saw requires
A)A labourer to do the work
B)One vertical leg of the L-shaped against the stationary block of the clamping device
C)One vertical leg of the L-shaped against the adjustable block of the clamping device
D) Both legs of the L-shaped resting on the tool base
B)One vertical leg of the L-shaped against the stationary block of the clamping device
Power positioners range in size from small top top versions to large industrial versions
A)True
B)False
A)True
The shape size or length of an object being welded on the positioner may require the use of white to help it rotate easily A)Counterweights B)Slings and an overhead crane C)Pipe stands D) all of the above E) Both a and C
E) Both a and C
What processes can a power position be used with A)Manual B)Semi automatic C)Automatic D) both a and B E) all of the above
E) all of the above
Cutting a notch into both ends of a wild and applying force against one and is known as a A)Stress flow test B)Weld fault test C)Weld press test D) Nick break test
D) Nick break test
Notch affect in the world has stress flow lines
A)Concentrated at one point
B)Flowing from left to right
C)Flowing smoothly through the world and joint
D) Stretched beyond the elastic limit
A)Concentrated at one point
Tapered transition ratio of 3 to 1 when joining plates of different thicknesses would A)Waste time and energy B)Decrease notch affect C)Decrease cross-section strength D) Create a point of high stress
B)Decrease notch affect
A high concentration of stress in a weld causes A) Stress flow B )Hi strength C) Notch effect D) Nick break
C) Notch effect
An insufficient route opening on a groove weld is likely to cause A)Lack of penetration B)Excessive penetration C)Complete fusion D) Stray arc strike
A)Lack of penetration
Which of the following variables would be effective and controlling excessive penetration on a groove weld
A)Reduce the land thickness
B)Increase the bevel angle
C)Decrease the root opening
D) Preset the plates to widen the groove opening
C)Decrease the root opening
Porosity in a world can be reduced by
A)Cleaning the joint area before welding
B)Welding with string or beads instead of a weave bead
C)Maintaining a fast travel speed with the electrodes
D) Avoiding the use of low hydrogen electrodes
A)Cleaning the joint area before welding
Undercut is most commonly caused by A)Current setting to low B)Travel speak too fast C)Using high iron powder electrodes D) Incorrect electrode angle
D) Incorrect electrode angle
Distortion can be controlled by A) Making several passes using small electrodes at low current settings B) Using a low arc length C) Using low hydrogen electrodes D) Maintaining an accurate joint fit up
D) Maintaining an accurate joint fit up
Which of the following can cause a quenched and brittle condition in metal? A)Astray arc strike B)Welding current set to low C)Inadequately filled crater D) Using a damp electrode
A)Astray arc strike
Which situation would most likely produce slag inclusions in multipass welds?
A) High current settings with a short arc length
B) High current setting with a normal are clean
C) Low current setting with a long arc length
D) Removing the slide between passes
C) Low current setting with a long arc length
Longitudinal cracks in the world can be caused by A)Excessive travel speed B)Excessive joint restraint C)Arc length too long D) Incorrect electrode inclination
B)Excessive joint restraint
Incomplete penetration would likely be caused by
A)Travel speak to slow
B)The root opening to narrow
C)Electro diameter too small
D) Welding with excessively high current settings
B)The root opening to narrow
Describe the oxy fuel cutting process
Oxyfuel cutting is a controlled process of rapid oxidation in which steel is heated to its kindling temperature and a high-pressure jet of pure oxygen is directed to the heated area. Metal exposed to the oxygen oxidizes and is blown away by the oxygen jet stream.
What two Ferrous based models cannot be cut satisfactorily with an oxy fuel cutting torch
A)
B)
Cast Irons
check
Stainless Steels
When A piece of metal is cut it creates a cut gap called the A) Groove B)Bead C) Kerf D) Crater
C) Kerf
On a combination cutting torch the oxygen valve on the torch handle must be A)Close tightly B)Partially open C)Fully open D) Used to adjust to a neutral flame
C)Fully open
The rivet cutting tip is designed to
A)Make suitable holes for riveted construction
B)Facilitate right angle square hole cutting
C)Facilitate cutting in confined spaces
D) Cut off rivet and bolt heads without disturbing the parent metal
D) Cut off rivet and bolt heads without disturbing the parent metal
Which cutting chip has the preheat orifices in a small pitch circle around the cutting orifice A)Standard cutting chip B)High-speed cutting tip C)Gouging tip D) Rivet cutting chip
B)High-speed cutting tip
The larger the orifices of a cutting tip the A)Less gas you burn B)Greater the heat loss C)faster you catch D) Thicker the plate that you can cut
D) Thicker the plate that you can cut
Which metals can you cut easily using the Oxyfuel cutting process A)Cast iron’s B)Mild steel’s C)Stainless steel’s D) Nickel alloys
B)Mild steel’s
Which oxy fuel torch design has the mixer chamber inside one of the tubes leading to the torch head A)Tip mixing B)High speed C)Pre-mixing D) Oxygen Lance
C)Pre-mixing
Templates for magnetic tracers are made of A)Steel B)Nonferrous metal C)Plastic D) Paper cut outs
A)Steel
Photoelectric cells and computer controls are used with \_\_\_\_\_\_Tracer guided cutting machines A)Manual B)Machine C) magnetic D) Electronic
D) Electronic
When preheating for flame cutting the metal should be heated until it reaches its A)Liquid state B)Bright yellow colour C)Kindling point D)Transition temperature
C)Kindling point
When the cut is rough and slag accumulates on the bottom edge the likely causes is A)Using propane fuel gas B)Using oxygen that is only 99.5% pure C)Using a dirty tip D) Using a cutting attachment type torch
C)Using a dirty tip
When piercing holes in a plate you should
A)Press the cutting lever sharply to start the cut
B)Allow the preheat cones to touch the material surface
C)Raise the oxygen pressure by 25%
D) Raise the tip whe the cutting lever is depressed
D) Raise the tip when they’re cutting lever is depressed
What is likely to happen if the cutting travel speed is too fast
A)Productivity increases and your employer is very impressed
B)Slag bubbles to the surface and the cutting action eventually stops
C)The tip overheats and begins to backfire
D) A clean slag free cut is produced
B)Slag bubbles to the surface and the cutting action eventually stops
What is the likely problem if the kerf edges are melting back together behind the cut
A)The tip is too large for the material thickness
B)Impurities are in the fuel gas
C)The steel has to hire a carbon content
D) You are running low on fuel gas
A)The tip is too large for the material thickness
If a shop were to switch from acetylene to propane gas for cutting it would be necessary to
A) Purchase all new cutting torches
B)Install special fuel gas regulators
C)Check with the manufacturer to determine if the equipment is compatible
D) Change to larger size hoses
C)Check with the manufacturer to determine if the equipment is compatible
You can determine a good quality cut by
A) Inspecting the kerf lines
B)Asking the foreman
C)The amount of welding experience the operator has
D) The amount of oxygen and acetylene consumed
A) Inspecting the kerf lines
Kerf drag lines on a properly perform shape cut should be A)Irregular and profile B)Curved to match the shape C)Perpendicular to the plate surface D) Horizontally inclined
C)Perpendicular to the plate surface
If you notice the preheat flames changing from neutral to carbonizing during the cutting process the most likely cause would be that the: A)Oxygen cylinder is nearly empty B)Acetylene consumption is too high C)Acetylene cylinder is nearly empty D) Tip is dirty and requires cleaning
A)Oxygen cylinder is nearly empty
What tools can you use to Layout a structural shape A)Contour marker B)Hammer and centre punch C)Square and level D) Combination squares E) All of the above
E) All of the above
A skid unit requires 2S sheets to be welded together to create a 90° angle how can you cut the S shapes to create the required fit gap?
A) but the flanges together and weld the gaps
B)Cope one beam to fit inside of the other
C)Cut an angle of 45° on each shape and fit together
D) both B and C
E) All of the above
D) both B and C
When cutting structural shapes, it is important to remember to watch your torch angle. A torch angle that is off can cause a structural shape to be cut in correctly, which could result in a scrap piece.
True or false
True
What is plasma
plasma is a gas that has been heated to extreme temp by an electric arc.
in plasma arc cutting, plasma is the A tungsten electrode B electrons traveling across the arc C ionized gas D outer shielding gas
ionized gas
The plasma arc cutting process
A can only be used on materials 6.4mm thick or less
B can only be used on mild steel and stainless steal
C is used on materials that are electrically conductive
D is used mainly to clean up foundry spills
is used on materials that are electrically conductive
list 5 safety hazards associated with plasma arc cutting
Electric shock fumes noise radiation gases
any available welding power source may be used for PAC true or false
False
what are the functions of the plasma cutting torch
the plasma cutting torch functions are too current to an electrode, supply a flow of orifice gas to the contact nozzle and supply secondary shelving gas.
compressed air is. generally used for PAC on which materials A carbon steels B Cooper alloys C magnesium D titanium
Carbon steel
What effect does improper PAC standoff distances have?
improper PAC standoff distances result in poor quality cuts, excessive nozzle wear and slow cutting speed
what type of power source is required for CAC-A
either AC or DC
what is the purpose of compressed air wit CAC-A
to remove molten metal
list 3 metals that give off toxic fumes when cut with the CAC-A process
beryllium
cadmium
lead
name the major components of the manual CAC-A electrode holder
the electrode holder are the power cable. the means to grip the electrode and the air passages and orifices to direct the air stream
electrodes for CAC-A are usually made of?
graphic and carbon
what is the maximum length that a CAC-A electrode should extend from the holder to the workpiece when gouging Carbon steel
180mm 7 inc
What is the range of air pressure normally used for CAC-A
the range of air pressure for CAC-A is 550 KPA to 700 KPA 80 psi to 100 psi
how are the air jets positioned when air carbon arc gouging in the flat position
toward the work, below the electrode
how can you reduce carbon deposits on the joint surface when used CAC-A
use the proper air velocity and electrode movement. maintain a short arc without touching the electrode to the work without an air supply
when is the surface hardening a problem when using CAC-A
when working on high carbon steels and cast irons
with CAC-A when excessive slag adheres to the edges of the cut what is the likely cause?
Air pressure is to low
What colour should your protective clothing be when welding with GMAW and why?
clothing should be dark to reduce reflected light radiation
Is it advisable to weld with any arc welding process under wet weather conditions? explain.
when you are exposed to wet weather conditions or standing on wet surfaces, protect yourself from electrical shock hazards by wearing rubber boots with dry socks and rubber gloves
The use of shielding gases when using wire feed processes increases the need for good:
a) lighting
b) ventilation
c) heat shielding
d) eye protection
b) ventilation
Name 2 toxic gases that can be created from the ultraviolet light produced from welding.
ozone
phosgene gas
How can air quality be affected when welding with a process that uses a shielding gas?
shielding gases in sufficient qualities displace enough air to render the work area oxygen deficient. Dizziness or euphoria is usually the first sign of oxygen deficiency. Precautions must always be taken to ensure adequate breathing air is supplied.
High Ultraviolet radiation emissions form an open arc can cause atmospheric oxygen in the vicinity of the arc to convert to:
a) ozone
b) carbon monoxide
c) carbon dioxide
d) argon
a)ozone
A potential source of poisonous chemical fumes when welding is:
a) inert shielding gases
b) chlorinated degreasing solvents
c) carbon dioxide extinguishers
d) anti-spatter novel sprays
b) chlorinated degreasing solvents
Define and describe the GMAW process in detail
GMAW is an arc welding process that uses an arc between a continuous filler metal electrode and the weld pool. The process uses shielding gas from an externally supplied source.
The gas metal arc welding process is also known as:
a) MIG welding
b) Flux cored arc welding
c) self-shielding process
d) shielded metal arc welding
a) MIG welding
GMAW is recommended for use on which of the following metals: a) stainless steel b) aluminum c) copper alloys d_ carbon and low alloy steels e) all of the above
e) all of the above
Describe the operating principles of FCAW.
FCAW uses an arc established between a continuously fed consumable electrode and the work piece. Appropriate settings made by the operator maintain a constant burn-off rate of the wire electrode. Depending on the power source and wire drive system used, the arc length is maintained automatically . Shielding gas can be externally applied and/or obtained from a flux contained within the hollow electrode core. (depending on the type of flux cored wire used).
Self-shielded FCAW uses shielding gas generated from:
a) the base metal
b) an external source
c) the flux
d) a paste flu applied to the base metal before welding
c) the flux
What is the electrode extension range for self-shielded FCAW
For self-shielded electrodes, extensions range from 19m to 95mm (3.4” - 3 3/4”)
The MCAW process uses the same equipment as which process?
a) SMAW
b) GTAW
c) FCAW
d) OAW
c) FCAW
List the basic equipment components always required for the set-up of a wire feed outfit
a) power source
b) wire feeder
c) gun and cable assembly
d) spooled filler wire
e) shielding gas and
f) gas control equipment
How are wire feed guns rated?
a) by voltage-carrying capacity
b) by physical size
c) by current-carrying capacity
d) by shielding gas flow rate
c) by current-carrying capacity