Ocupational Skills Flashcards
What is the correct procedure for preparing an engine hoist to lift an engine?
a. Draw the legs on the hoist in, then extend the lift arm to access the engine.
b. Extend the legs as far as possible, then pull the lifting arm in for stability.
c. Adjust the leg length and then adjust the lift beam length to lift the engine.
d. Adjust the engine hoist to carry the engine as low as possible, then lift the engine.
c. Adjust the leg length and then adjust the lift beam length to lift the engine.
What steps should be taken if a tech shows symptoms of carbon monoxide poisoning after working in a closed shop all day?
a. Evacuate the tech to fresh air and then check the cold air return on the shop heater.
b. Evacuate the tech to fresh air and then check the exhaust system including the makeup air unit.
c. Keep the tech warm and then contact a doctor.
d. Test the oxygen level in the shop and then test the carbon monoxide level.
b. Evacuate the tech to fresh air and then check the exhaust system including the makeup air unit.
Where would a tech find an engine vacuum diagram?
a. In a schematic manual
b. On a calibration sticker on the engine
c. In a service manual
d. In a machine shop manual
c. In a service manual
What is the correct fluid to use in an automotive rear axle assembly?
a. SAE 10W30
b. API SF/CC
c. API GL3
d. API GL5
d.API GL5
What must be done in order to check the fluid in an automatic transmission?
a. Start the engine and then read the level on the transmission dipstick while observing the colour and smell of the fluid.
b. Raise the vehicle and then remove the inspection plug. Measure the fluid by feeling how far below the hole the fluid sits.
c. Run the engine until normal operating temperature is reached and then shut it off. Check the transmission dipstick and look for metal particles.
d. Ensure the vehicle is horizontal and level and then load the transmission while watching the gauge for an extreme temperature rise.
a. Start the engine and then read the level on the transmission dipstick while observing the colour and smell of the fluid.
What is the procedure for road testing a vehicle for steering, suspension, or braking concerns?
a. Test drive the vehicle by driving it normally on errands, then perform some hard turns in a parking lot.
b. Try to drive in the same fashion as the owner, then start and stop aggressively to make any problems more apparent.
c. Drive the vehicle long enough to get to full operating temperature, then observe the handling and braking characteristics.
d. Test the brakes and handling at low speeds, then road test on several different surfaces while trying to recreate the condition.
d. Test the brakes and handling at low speeds, then road test on several different surfaces while trying to recreate the condition.
What level of eye protection is required when using an oxy-acetylene torch to cut mild steel?
a. CSA approved safety glasses
b. Goggles with a #5 filter
c. Goggles with a #10 filter
d. Goggles with a #12 filter
b. Goggles with a #5 filter
Which type of fire extinguisher can be safely used to put out class A, B, C, and D category fires?
a. Foam
b. Dry chemical
c. Carbon dioxide
d. Halogenated agent
b. Dry chemical
Where must procedures for cleaning up a spill be outlined on a potentially hazardous product?
a. The product label
b. Manufacturer website
c. Material safety data sheets
d. WHMIS guidelines
c. Material safety data sheets
Which of the following is the most important personal safety precaution when working around vehicle batteries?
a. Wear acid resistant coveralls
b. Wear CSA approved leather gauntlets
c. Never touch an energized battery
d. Wear CSA approved safety glasses
d. Wear CSA approved safety glasses
What must be completed within 24 hours of a work place accident that has caused an injury?
a. Labour board report
b. Safety committee accident report
c. WSIB report
d. WHIMIS report
c. WSIB report
To prevent asbestos dust from being inhaled, what should you do?
a. Use compressed air to blow it away
b. Use a brush to lightly blow it away
c. Use an aerosol brake cleaner to wash it away
d. Use a CSA approved filter mask
d. Use a CSA approved filter mask
To drill a hold through a steel plate, it is good practice to:
a. Use a reversible drill
b. Use a centre punch to locate the position
c. Heat the work to make is softer
d. Never hit it with anything hard as it may shatter
b. Use a centre punch to locate the position
How many requirements are there on a MSDS (material safety data sheet)?
a. 3
b. 5
c. 9
d. 11
c. 9
When using a fire extinguisher on a gasoline fire, you must:
a. Blanket the fire with the extinguisher chemical
b. Aim the nozzle at the base of the fire
c. Stand at least 6 to 8 metres from the fire
d. Pour water on the fire first
b. Aim the nozzle at the base of the fire
Where should shop solvents and combustible materials be stored?
a. Air tight closets
b. Sealed storage rooms
c. In marked storage cabinets
d. Under work benches
c. In marked storage cabinets
Where must a VIN be displayed?
a. On the engine ID plate
b. Top of dashboard, driver’s side
c. Top of dashboard, passenger’s side
d. On the right rear chassis rail
b. Top of dashboard, driver’s side
By how much can an automotive repair bill legally exceed a job estimate in most Canadian jurisdictions?
a. Must not exceed the original estimate
b. By 5%
c. By 10%
d. By 50%
c. By 10%
Which of the following should be true of an electric grinding wheel?
a. The wheel should be routinely dressed
b. The wheel should be cleaned with a wire brush
c. Maximum speed should not exceed 2000rpm
d. Regular quenching of the wheel in cool water is recommended
a. The wheel should be routinely dressed
What should be done with used engine oil?
a. Pour it down a drain with a trap separator
b. Mix it with a 5% concentration with furnace oil and burn it
c. Spray it to settle dust in the yard
d. Send it to a recycling operation
d. Send it to a recycling operation
When setting pressure on an oxy-acetylene torch, what is the highest pressure the acetylene regulator should be set at?
a. 5 psi
b. 15 psi
c. 40 psi
d. 105 psi
b. 15 psi
What tailpipe emission requires you to vent tailpipe gases to the shop exhaust extraction system any time an engine is running in a garage?
a. Nitrous oxides
b. Hydrocarbons
c. Carbon dioxide
d. Carbon monoxide
d. Carbon monoxide
Which of the following substances will do the best job of safely neutralizing battery acid?
a. Water
b. Baking soda and water
c. Caustic soda
d. Petroleum solvent
b. Baking soda and water
What is the high pressure safety device used on a compressed oxygen cylinder?
a. Warning label
b. Fusible plugs
c. Rupture disc
d. None used
c. Rupture disc
Why should an incandescent trouble light never be used on the shop floor?
a. It is not bright enough
b. No focus beam
c. It is difficult to hang up on equipment
d. Explosion hazard
d. Explosion hazard
When is it acceptable to strike a hammer with another hammer?
a. Both hammers are of equal weight
b. Never
c. When one hammer is of softer metal
d. When a ball peen hammer is used
b. Never
What should you do if any oxy-acetylene torch starts to emit a loud, high pitched, squealing noise?
a. Run
b. Reduce oxygen pressure
c. Reduce acetylene pressure
d. Shut the torch off
d. Shut the torch off
What angle should a cold chisel be sharpened to?
a. 45 deg
b. 50 deg
c. 60 deg
d. 65 deg
c. 60 deg
What position in the VIN indicates the model year?
a. Second
b. Fifth
c. Eighth
d. Tenth
d. Tenth
At what decibel level can hearing loss occur with prolonged exposure?
a. 40 to 50 dBA
b. 85 to 90 dBA
c. 10 to 20 dBA
d. 60 to 65 dBA
b. 85 to 90 dBA
What should you do with recovered engine coolant?
a. Pour it down the drain
b. Pour it in the waste oil container
c. Send it to a recycling operation
d. Use it to remove oil stains in the parking lot
c. Send it to a recycling operation
What type of oxy-acetylene flame will not add or subtract anything fro the base metal when heating or welding?
a. Carburizing
b. Slightly oxidizing
c. Oxidizing
d. Neutral
d. Neutral
What should be done in the event of a significant oil spill in the garage?
a. Wash the oil down the drain
b. Apply oil absorbent, sweep up and dispose of in garbage containers
c. Apply oil absorbent, sweep up and dispose of with the waste oil disposal company
d. Apply floor soap, scrub and hose down the drain
c. Apply oil absorbent, sweep up and dispose of with the waste oil disposal company
Window washers pump fluid all of the time when the wipers are operated on a vehicle. Which of the following should be check out first?
a. Open in switch control unit
b. Blown wiper circuit fuse
c. Wiper control switch
d. Sticking ratchet wheel on washer pump
c. Wiper control switch
The window on the passenger front door does not move up and down, but the motor is audibly working. Which of the following is the most likely cause?
a. Binding window regulator
b. Broken window track
c. Window motor switch
d. Window is binding in the channels
b. Broken window track?
What normally causes wind noise or whistling around the top of the windscreen?
a. Door seal leaking due to the door being out of adjustment
b. Windscreen trim moulding loose or not fully seated to the windscreen
c. Roof ditch hem seal does not extend fully forward to the windscreen
d. Bent metal window flange
b. Windscreen trim moulding loose or not fully seated to the windscreen
When using a grinder, you must wear safety goggles or a face shield.
a. True
b. False
a. True
To avoid breathing air born particles, you must wear approved nose plugs.
a. True
b. False
b. False
The major hazard in the handling of asbestos products is the:
a. Inhalation of asbestos dust
b. Sharp cutting fibres of asbestos
c. Dust getting in your eyes
d. Foul smell associated with asbestos
a. Inhalation of asbestos dust
If acid is accidentally spilled on your skin or eyes, you should immediately:
a. Wipe with a clean rag
b. Flush thoroughly with solvent
c. Completely cover the affected area
d. Flush thoroughly with cold water
d. Flush thoroughly with cold water
The most common parts cleaning solution used in a mechanical repair shop is:
a. Gasoline
b. Solvent
c. Diesel
d. Soap and water
b. Solvent
Exhaust hoses must be used when running an engine in the shop.
a. True
b. False
a. True
In a class D fire, the material burning is:
a. Ordinary combustibles
b. Flammable liquids
c. Combustible metals
d. Electrical components
c. Combustible metals
The general rule for storing flammable liquids is to:
a. Keep as many as you like but keep them all together
b. Always keep a fire extinguisher near them
c. Assign someone to be responsible for him or her
d. Only keep those flammable liquids on hand that are required for immediate use
d. Only keep those flammable liquids on hand that are required for immediate use
In a class B fire, the material burning is:
a. Ordinary combustibles
b. Flammable liquids
c. Combustible metals
d. Electrical components
b. Flammable liquids
A CO2 extinguisher may be used effectively on:
a. Class D fire
b. Class B fire
c. Class A and C fire
d. Class B and C fire
d. Class B and C fire
In a class A fire, the material burning is:
a. Ordinary combustibles
b. Flammable liquids
c. Combustible metals
d. Electrical components
a. Ordinary combustibles
The symbol used to indicate a class B fire extinguisher is a:
a. Square
b. Triangle
c. Star
d. Circle
a. Square
It is acceptable practice to utilize a block of wood to shim up a jack stand.
a. True
b. False
b. False
The maximum distance from the face of a grinding wheel to the tool rest should be:
a. 1mm
b. 3mm
c. 6mm
d. 8mm
a. 1mm
A hacksaw blade is marked 12/24. This means that the blade is:
a. 12 inches long and 24 teeth to the inch
b. 24 inches long and 12 teeth to the inch
c. 12 inches long and with a tensile strength of 24
d. 24 inches long and with a tensile strength of 12
a. 12 inches long and 24 teeth to the inch
When tapping a blind hole, the correct procedure to follow is:
a. Taper tap, plug tap, bottoming tap
b. Plug tap, taper tap, bottoming tap
c. Taper tap, bottoming tap, plug tap
d. Bottoming tap, taper tap, plug tap
a. Taper tap, plug tap, bottoming tap
An M12 x 1.75 x 75mm bolt has:
a. 12 threads per 1.75mm
b. 1.75mm threads per mm
c. 1.75mm between threads
d. 1.75 threads in 75mm
c. 1.75mm between threads
An imperial bolt with 3 slash marks on its head means it is:
a. A 3rd rate bolt
b. A grade 5 bolt
c. Quenched and tempered
d. Able to withstand a 10,760 lbs. tensile load
b. A grade 5 bolt
Thread pitch can be described as the:
a. Angle of the thread flanks
b. Distance between adjacent threads
c. Depth of the groove
d. Thread slope in relation to the axis of the bolt
b. Distance between adjacent threads
A thread fastener that is used with a nut is called a:
a. Bolt
b. Screw
c. Torx
d. Cap screw
a. Bolt
A threaded fastener that has a screw thread on both ends and has no head is referred to as a:
a. Double nut bolt
b. Stud
c. Machine screw
d. Cap screw
b. Stud
A thread gauge is used to determine:
a. Thread angle
b. Thread pitch
c. Thread diameter
d. The slope of the thread faces
b. Thread pitch
A machine screw that has a slight taper at the threaded end and a notch or groove cut into the thread is a:
a. Self drilling screw
b. Self tapping screw
c. Sheet metal screw
d. Self drilling, self tapping screw
b. Self tapping screw
Castellated or slotted nuts are prevented from loosening on the bolt by:
a. Friction
b. Having an oval shape
c. Headed pins
d. Cotter pins
d. Cotter pins
If the hole for a threaded fastener strips, the repair is easy by using a heli coil.
a. Fact
b. Opinion
b. Opinion
The fitting used to join steel pipe is pre-threaded to match:
a. National coarse threads
b. National pipe threads
c. National fine threads
d. Standard metric threads
b. National pipe threads
If soft copper tubing is subjected to repeated bending, it will become:
a. Softer and weaker
b. Stronger
c. Hard and brittle
d. Annealed
c. Hard and brittle
Flared tube fittings are so named because they make use of flared:
a. Body
b. Nut
c. Sleeve
d. Tube
d. Tube
An inverted flare tube fitting has an external thread on the:
a. Body
b. Nut
c. Sleeve
d. Tube
b. Nut
Compression fittings may be used on soft plastic tubing providing that the tubing is:
a. Pre heated
b. Flared
c. Fitted with an external sleeve
d. Fitted with an internal sleeve
d. Fitted with an internal sleeve
If you ask for a 1/4” hose, the dimension refers to the:
a. Inside diameter
b. Outside diameter
c. Wall thickness
d. Radius the hose will bend
a. Inside diameter
Copper tubing can replace steel tubing where it is difficult to bend the steel tubing.
a. True
b. False
b. False
There are two commonly used types of flares formed on tubing. They are:
a. Open and closed
b. Soft and hard
c. Single and double
d. Inverted and plain
c. Single and double
Glass bead machines clean right down to the base metal leaving the surface:
a. Oily
b. Filled with tiny holes
c. Uniformly indented
d. Smooth and shiny
c. Uniformly indented
When shutting off welding torches, which torch handle do you turn off first?
a. Oxygen valve
b. Acetylene valve
c. One at a time
d. Both at the same time
b. Acetylene valve
Never use acetylene pressure more than:
a. 5 psi
b. 10 psi
c. 15 psi
d. 20 psi
c. 15 psi
Never open the acetylene bottle more than:
a. 1/4 turn
b. 1/2 turn
c. 3/4 turn
d. 1 full turn
b. 1/2 turn?
What is Tungsten gas used to weld? (TIG welding)
a. Aluminum
b. Steel
c. Brass
d. Plastic
a. Aluminum
What type of welding machine is used to weld aluminum?
a. MIG welder
b. TIG welder
c. Oxy-acetylene
d. Arc welder
b. TIG welder
What are RFCV valves used for?
a. Restricting the flow of Oxygen and Acetylene
b. Boost the flow of Oxygen and Acetylene
c. Connector to join the two lines together
d. To stop the flow of gases or fire to the tank or hoses
d. To stop the flow of gases or fire to the tank or hoses
Oil must never be used on a regulator because it could:
a. Cause a fire or explosion
b. Contaminate the gas
c. Clog small internal openings
d. Both A and B
a. Cause a fire or explosion
How should a welding tip be tightened?
a. With a wrench
b. With pliers
c. By hand only
d. Torque to 90 in-lbs
c. By hand only
Clothing worn in the welding shop should be:
a. 100% wool or 100% cotton
b. 100% polyester or 100% nylon
c. 25% cotton and 75% rayon
d. 35% polyester and 65% rayon
a. 100% wool or 100% cotton
Why should the top button on a welder’s shirt always be buttoned?
a. To prevent throat burns
b. So that the welder is neatly dressed
c. To reduce the change of the shirt being caught in the equipment
d. To keep the shirt from catching on fire
a. To prevent throat burns
Which of the following method is used to limit the severity of the airbag deployment?
a. Adding foam covering to the bag for extra padding
b. Detuning the crash sensors to slow down reaction time
c. Auto applying brakes before the collision
d. Using a two stage deployment
d. Using a two stage deployment
How long does it take for the airbag to fully inflate?
a. 0.23 ms
b. 2.3 ms
c. 23.0 ms
d. 230.0 ms
c. 23.0 ms
The driver’s side airbag typically uses what type of gas to deploy it?
a. Argon
b. Nitrogen
c. Helium
d. Oxygen
b. Nitrogen
Some passenger side airbags use what type of gas to inflate it?
a. Argon
b. Nitrogen
c. Helium
d. Oxygen
a. Argon
How long should the system power down before servicing an airbag?
a. 3 sec
b. 3 min
c. 30 min
d. 3.0 hours
c. 30 min
What is the purpose of the clock spring?
a. Cast as a timing device for airbag deployment
b. Act as a return mechanism for the airbag
c. To provide a direct electrical connection to the airbag
d. To gauge the severity of the crash
c. To provide a direct electrical connection to the airbag
