Occupational Skills Flashcards
Which class of fire extinguisher would be used if the item on fire was a 120V electrical outlet?
A. A
B. B
C. C
D. D
Answer C
Class C extinguishers are suitable for use on electrically energized fires. The presence of the letter C indicates taht the extinguishing agent is non-conductive.
Who has the responsibility for ensuring that workers are wearing preper protective equipment?
A. Workers.
B. supervisors.
C. Employers.
D. OHSC (Occupational Health and Safety comittee)
Answer C
Part of the worker’s responsibility is to wear his or her proper personal protective equipment. However, the responsibility for ensuring that workers wear the proper protective equipment lies with the employer. For more information visit www.ccohs.ca
After measuring a hole with a small-bore gauge, what tool would you use to obtain the most accurate measurement?
A. Ruler
B. Vernier caliper
C. Insider micrometer
D. Outsider micrometer
Answer D
For the most correct reading on a small-bore guage, you should use an outside micrometer. Care should be taken not to disturb the reading on the small-bore gauge by using ratcheting function on the micrometer
According to the WHMIS regulations, what identifier must a supplier label have?
A. Address of workplace
B. Hatched border
C. MSDS information
D. Toxicological information
Answer B
A supplier label. Under WHIMIS regulations, must have the product identifier (name of product). Supplier identifier (name of compant that sold it), a statement that an MSDS is avaliable, hazard symbols [the pictures of the classifications(s)], risk phrases (word that describe the main hazards of the product), Precautionary measures (how to work with the product safely), first aid measures (what to do in an emergency), have the WHIMIS hatched border, and have all text in french and english.
What do green tire valve caps indicate?
A. Tire is inflated with hydrogen.
B. Tire is inflated with nitrogen
C. Tire is inflated with regular air
D. Nothing, They are simply color-matched to the vehicle
Answer B
Green valve caps indicate that the tire is inflated with nitrogen. There are no ill effects if a nitrogen-filled tire is topped up with plain old air. Nitrogen is said to keep tires 20% cooler and lengthen the life of the tire.
Since 1981, what position in the VIN (vehicle identification number) indicates the country of origin?
A. 1st
B. 2nd
C. 3rd
D. 10th
Answer A
The 1st digit in the vin indicates the country in which the vehicle was manufactured. For example USA (1 or 4), Canada (2), Mexico (3), Japan (J), Korea (K), England (S), Germany (W), Italy (Z)
In which of the following service publications would you find information on persistent problems with a vehicle?
A. Wiring Schematics.
B. Labor guide
C.TSBs.
D.Owners manual
Answer C
Persistent and common problems found by vehicle manufactures are published and sent to their dealer networks. These bulletins are called TSBs and contain useful information on vehicle diagnostic and repair procedures as well as new and improved parts and warranty and service manual updates.
At what pressure does released acetylene become unstable and possible explode?
A. 5psi (35 kPa)
B. 15 psi (103 kPa)
C. 250 psi (1724 kPa)
D. 3600 psi (24.8 MPa)
Answer B
Released acetylene becomes unstable and explodes at pressures greater than 15 psi (103 kpa). It is imperative for acetylene to be used with a regulator. It is also recommended to have the regulator off when turning on the tank.
How often should you check the safety mechanisms on an automotive lifting device?
A. Daily
B. weekly
C. monthly
D. Annually
“Answer A
According to most lift manufacturers, every shift should begin with a lift inspection. Your safety is paramount. In the united states, approximately 15,000 lift related serious injuries are reported each year.”
To prevent asbestos dust form being inhaled, what should you do?
A. Use compressed air to blow it away.
B. Use a brush to lightly sweep it away.
C. use an aerosol braker cleaner to wash it away.
D. Use a CSA-approved filter mask
“Answer D
Asbestos dust inhalation is dangerous, so using any method that introduces asbestos dust in the air should be avoided. Use of a CSA-approved filter mask reduces the risk to the technician.”
To drill a hole 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 it softer
D. Never hit it with anything hard, because it may shatter”
“Answer B
To prevent drill bit ““walking,”” a centre punch is necessary to make a small impression where the hold is to be drilled. This will allow the drill to stay in the correct place and not damage any material by ““walking” “around the intended drill hole location.
“
How many requirements are there on an MSDS?
“A. 3
B. 5
C. 9
D. 11”
“Answer C
There are 9 mandatory requirements on every material safety data sheet.”
When using an ABC 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 meters from the fire
D. Pour water on the fire first”
“Answer B
When extinguishing a fire, you need to aim the nozzle at the base of the fire to quench the fuel, or nucleus, of the fire. Extinguishing the airborne flames will not quench the root of the fire.”
Where should shop solvents and combustible materials be stored?
“A. Air-tight closets
B. Sealed Storage rooms
C. Marked storage cabinets
D. Under workbenches “
“Answer C
Solvents and combustible materials in a shop need to be clearly marked in ventilated storage cabinets away from common areas of work to reduce the risk of accident”
A vehicle being raised on an air-over-hydraulic single post, double swing-arm hoist violently jerks when it reaches near full extension. Which of the following could cause this problem?
“A. Vehicle is too heavy
B. Incorrect pad placements
C. Air in the hydraulic system
D. Broken lift locks”
“Answer C
If an air-hydraulic hoist bounces or jerks near full extension, there is more than likely air in the hydraulic system. The hydraulic system is not at its full capacity and needs to be replenished and then checked for leakage “
