310T PRACTICE EXAM
FULL Question 1: What is the most important safety practice before servicing a heavy- duty truck's air system?
Choices:
1) Drain the air tanks completely 2) Apply the parking brake only 3) Chock the wheels and drain air tanks 4) Jack up the front axle
Correct Answer: Chock the wheels and drain air tanks
Explanation: Chocking wheels prevents roll-away, and draining tanks removes stored energy.Page 1
Question 2: When using a torch to heat a seized bolt on a chassis, what �re extinguisher should be readily available?
Choices:
1) Class A 2) Class B 3) Class C 4) Class ABC
Correct Answer: Class ABC
Explanation: A Class ABC extinguisher is suitable for ordinary combustibles, �ammable liquids, and electrical �res.Question 3: Which of the following is correct when lifting a heavy component with a shop crane?
Choices:
1) Center the hoist directly over the load 2) Use chains with a working load limit matching the crane's max capacity rather than the load weight 3) Keep the load suspended if leaving it unattended 4) Attach the lifting hooks to the thinnest part of the component
Correct Answer: Center the hoist directly over the load
Explanation: Centering the hoist prevents the load from swinging when lifted.
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Question 4: A technician is drilling into a truck frame. Which PPE is mandatory?
Choices:
1) Safety glasses and hearing protection 2) Safety glasses only 3) Welding helmet and leather gloves 4) Cotton gloves and face shield
Correct Answer: Safety glasses and hearing protection
Explanation: Safety glasses protect against metal shavings, and hearing protection is needed for the noise of the drill.
Question 5: What does WHMIS stand for in the context of Canadian shop safety?
Choices:
1) Worker Health and Material Information System 2) Workplace Hazardous Materials Information System 3) Workplace Health Management Information System 4) Worker Hazard Management Identi�cation System
Correct Answer: Workplace Hazardous Materials Information System
Explanation: WHMIS stands for Workplace Hazardous Materials Information System, ensuring information on hazardous products is available.Page 3