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Welder 1 > section 101 Review > Flashcards

section 101 Review Flashcards

1
Q

When a thimble is used and the clips are properly applied, the mechanically clipped eye is capable of
developing approximately ______ of the strength of the wire rope

A

80%

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2
Q

Name two types of scaffolding systems?

A

Elevated work platforms
framed scaffold systems

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3
Q

Name two types of forklifts and the one main difference between the two?

A

Outdoor - pneumatic tires
Indoor - solid tires

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4
Q

Briefly describe the five steps to be followed when installing a full body harness

A

Step 1 - Locate the D ring. Lift the harness by it, ensure no straps are twisted.
Step 2 - Grasp the shoulder strap and slip harness onto one arm. Slip the second arm into the harness, position the shoulder straps on top of shoulders. Chest strap with buckle should be on the
front side.
Step 3 - Reach between your legs and connect the strap to the buckle on the front of your thigh.
Step 4 - Attach chest strap by passing male buckle through the female buckle.
Step 5 - Adjust the shoulder straps for a snug fit]

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5
Q

As an operator of a lifting device, OHS states that the employer must have an operator who can
demonstrate their competency. List the five competencies:

A
  1. Read and understand lift plans.
  2. Maintain equipment and operator log book.
  3. Select appropriate equipment to be used.
  4. Know, understand, and use load charts.
  5. Complete lift calculations, in which, not to exceed 75% of cranes rated capacity.
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6
Q

When working on an extension ladder, the minimum overlap should be _________ unless the
manufacturer specifies a certain overlap.

A

1m/3’

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7
Q

An employer must ensure all factors of a lift/load are considered when filling out a hazard assessment
for any given job. What five factors must be considered?

A
  1. Weight of load
  2. Size of load
  3. Shape of load
  4. Number of times load will be moved
  5. Technique used to move the given load
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8
Q

Define: Rigging?

A

Rigging is the hardware of components used to attach your load to a hoisting or lifting device.

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9
Q

What information is required on a chain sling manufacturer ID tag?

A

Type of alloy it is made out of.
* Size of steel used for the line.
* Length of the sling.
* Slings work load at specific sling angles.
* A serial number

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10
Q

Although there is no procedure for manual handling or lifting objects, injury can still occur. What is the
name of the injury that can happen to the bone, joints, ligaments, or muscles?

A

Musculoskeletal injuries (MSI)

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11
Q

Define working load limit (WLL) in reference to a chain?

A

It is the maximum load that can be safely applied to a straight length of chain.

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12
Q

While operating overhead cranes and fork lifts, a log book must be kept up to date. What operating
body enforces that this must be obtained?

A

OHS

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13
Q

When using a bridle sling arrangement, to accomplish a lift and the angle between a sling leg and the
horizontal decrease, what major fact increases on the bearing load?

A

The tension increases on the load

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14
Q

Whenever a load is underway, you want to protect your slings from damage. How is this prevented?

A

Using load softeners

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15
Q

When lifting multiple pieces, or loose loads of pipe, which choker hitch should be used, and why?

A

Double wrap choker hitch.
one wrap contacts against the entire outside surface of the load. This enables the hitch to draw the load tightly together to prevent it from slipping.

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16
Q

Does the load radius of a crane increase or decrease when the load is lifted off the ground?

A

Increase

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17
Q

When 2 or more cranes or hoists lift one load, who should be given responsibility for the
operation?

A

1 qualified person usually the signal person

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18
Q

What hand motion is required for the hand signal designating boom down?

A

arm extended, thumbs down

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19
Q

What is the effect on rope strength when a knot is tied in a rope?

A

decreases to 50%

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20
Q

Why is a bowline knot advantageous for hoisting?

A

It is easy to tie and untie when a load has been applied and does not slip easily.

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21
Q

The clove hitch is useful for fastening a rope to a post or pipe. How should it be secured?

A

Secure it with a half-hitch to the standing part of the rope.

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22
Q

What are the two most common types of synthetic fibre ropes used in the industry?
polyester
polyethylene
nylon
polypropylene

A

nylon & polypropylene

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23
Q

Which type of rope provides the greatest strength?
a) polyester
b) polyethylene
c) synthetic rope
d) polypropylene

A

c) synthetic rope

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24
Q

What safety factor is used to hoist personnel with fibre rope?

A

10:1

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25
Q

What safety factor is used for general rigging and hoisting operations?

A

5:1

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26
Q

if you rig a load for lifting with the hook located to the side of the centre of gravity. What would be the outcome?

A

The load would shift/swing/flip over and likely become unstable

27
Q

When using a U-bolt and saddle, what section of the clip must be on the dead end of the rope?

A

The u-bolt
(never saddle a dead horse)

28
Q

List in priority the 3 types of hazard controls.

A

Engineering
Administrative
PPE

29
Q

True or false
According to OHS code an employer must provide an Emergency Response Plan (ERP) that must cover all their job sites?

A

False-
Emergency response plans must be specific to each job site - same as hazard assessments

30
Q

Your employer must be familiar with the OHS Act, Regulations, and Codes as it applies to your
worksite.
To be an “employer” how many employees must you have?

A

Just one, and it can be owner/employee - owns your own business

31
Q

As an employee, you also have responsibilities. Name 3 of these responsibilities you need to carry out?

A
  1. Employees must wear all proper PPE.
  2. Employees must report all injuries.
  3. Employees do not have to perform work that they feel is unsafe
32
Q

Before any work commences/begins on a work site, what must your employer do?

A

Conduct a site specific hazard assessment

33
Q

Housekeeping does not just mean keeping a clean area for one to work around. What other factors
contribute to housekeeping on a work site?

A

Removing objects that could cause a slip or trip.
Inspection of tools for maintenance or repair.
A positive attitude of workers and co-workers

34
Q

OHS Act has a broad view of the work place. Which three groups does OHS monitor for the safety in
the workplace?

A
  1. The Employer
  2. The Employees
  3. The equipment or material Suppliers
35
Q

As an employer, what does the code state about lighting in the workplace?

A

The employer must ensure that lighting is sufficient for work to be done safely - including emergency lighting during power failures

36
Q

The OHS Code has core requirements that are applicable to all industries. List the three requirements
For employers and workers to have in order for the worksite better and safer.

A

 use engineering controls
 use administrative controls
 use personal protective equipment (PPE)

37
Q

It is recommended that the worker fills out a field level risk assessment daily. What four steps does it
cover to help workers daily activities?

A
  1. look around and identify hazards
  2. assess risks
  3. control risks
  4. resume work
38
Q

Define WHMIS and when was it introduced to Canada?

A

Workplace Hazardous Materials Information System. It was introduced to Canada in 1988

39
Q

When refueling containers to be transported with a certain type of fuel, what color of container must
you use for fueling diesel and gasoline?

A

Gas - red
Diesel - yellow

40
Q

How are Class A, B, and C fire extinguishers rated?

A

By a # put infront of their respective letter; indicating the size or extent of the fire they can extinguish.
A- wood & paper
B- flammable liquids
C - electrical

41
Q

After the use of oil or acids, who is responsible for its disposal?

A

The responsibility falls upon the generator of the waste to identify and process the waste according to regulations.

42
Q

Name the six classes and various divisions within the WHMIS classification.

A

Class A: Compressed Gas
Class B: Flammable and combustable material
Class C: Oxidizing Material
Class D (3 divisions) : Poisonous and infectious materials
Class E: Corrosive Material
Class F: Dangerously Reactive

43
Q

What harm can visible light, ultraviolet, and infrared rays cause if exposed from arc welding?

A

Visible light can cause eye strain or in some extreme cases temporary blindness or permanent blindness;
Ultraviolet light causes burns to exposed skin and blistering of the eye ball known as arc flash;
Infrared rays can penetrate deeply and cause temperatures to increase and burns to exposed skin; these rays may also penetrate the interior of the eye and can cause retina damage. Repeated exposure of arc rays over long periods can cause

44
Q

What are first, second, and third degree burns?

A

First degree burns are only the outer layer of skin that is damaged;

Second and third degree burns are deep within all layers of skin that becomes destroyed, as well as underlying fat and muscle are damaged to varying depths.

45
Q

In a welding shop, everything is hot until proven otherwise; therefore, what should a welder mark on metal that was just welded or cut?

A

Write on metal with soapstone “hot”

46
Q

What is hypothermia and how should it be treated?

A

Hypothermia is caused by prolonged exposure to cold resulting in uncontrollable shivering, dizziness, and light headedness.
* To treat hypothermia, the person’s body temperature needs to be raised slowly; therefore, give the person warm liquids without caffeine and make sure they get medical attention as soon as possible.

47
Q

What is the most common workplace hazard?

A

Noise

48
Q

What is the minimum exposure limit for noise in an 8 hour period?

A

85 decibles

49
Q

What type of protective clothing should a welder wear during work?

A

Clothing not of synthetic materials preferably leather or 100% cotton
untanned Gauntlet gloves
Lid with appropriate shade
safety glasses and face shield

50
Q

Air Purifying respirators do not remove all the contaminants and must never be used in:

A

Atmosphere that is immediately dangerous to life and health (IDLH).

51
Q

What type of airline respirators should workers use in an atmosphere that is dangerous?

A

Supplied air respirator ( Continuous flow and pressure demand)

52
Q

Define occupational exposure limits:

A

The max level of exposure for a specific length of time. typically 8 hours without suffering adverse health effects.

53
Q

Some gases are harmful and can cause cancer which is called carcinogens; name 3 metal gases are
considered to be cancer causing?

A

Beryllium
Cadmium
Nickel fumes

54
Q

List the subject areas within the Occupational Health and Safety Act.

A

Confined space, testing the Atmosphere, A-frames and gin poles, vehicle hoists, portable ladders, securing and positioning, fall protection, hot work, compressed and liquefied gas, welding-general, gas welding or allied process, welding services from vehicles, storage compartments, horizontal cylinder storage, handling cylinders, housekeeping, Isolation, Isolating piping, eye protection, foot protection, limb and body protection, refuelling, guardrails, scaffolds, scaffold planks, free standing or rolling scaffolds, and grinders.

55
Q

Airline respirators or SABA come in what 2 different types?

A

Continuous flow
Pressure demand

56
Q

What is the standard amount of air to be moved/ventilated within a building?

A

Min 4 complete cycles per hour
(2000 cubic feet per hour)

57
Q

Is it necessary to have multiple lockout scissors in place when working on a piece of equipment? Why?

A

Yes if there are multiple people working on the equipment.
Ensures all workers are accounted for and have cleared their portion of the work for re-energization.

58
Q

Which section of the CSA Standard Code does welding helmets fall under?

A

CSA Z94.1

59
Q

What is the purpose of placing a gasket between the outer clear glass or plastic and the filter plate on your
welding helmet?

A

Protects the lens from sudden heat changes that could cause it to break

60
Q

List 3 extremely toxic gases created during welding?

A

Ozone
CO
Nitrogen Dioxide

61
Q

What 3 sources are fumes and gases created from?

A

The melting of base metals and fillers

Base metal coverings such as coatings, residues and plating or Fluxes

62
Q

What is the acceptable level of oxygen required to work in a confined space?

A

19.5% - 23%

63
Q

If a portable ladder is used to reach a surface12ft above the ground, how far must the base of the ladder be
from the wall?

A

3’
Using the 4:1 ratio
It must also reach 3’ above the landing

Welder 1 (40 decks)

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