310s Study Questions – WPP
Questions and Correct Answers 2026
Updated.
In Ontario, what is the acceptable variance from a written estimate? - Answer 10%
Which part of a repair order authorizes the shop to proceed with the repairs - Answer The
customer’s signature
What is the first step in a logical diagnostic approach? - Answer Verify the problem exists
What is an undesirable substance that may result from a service operation? - Answer
Hazardous waste
High concentration of undesirable vapours, gases or solids in the form of dust? - Answer
Chemical Hazard
A mask equipped with which type of filter should be worn when working with brake shoes or
clutch discs? - Answer HEPA filter
WHIMIS legislation includes hazards associated with chemicals used in the workplace - Answer
True
You should not use water on a flammable liquid that is on fire - Answer True
Which type of fire extinguisher should be used for an electrical fire - Answer Multipurpose
dry chemical
Inflating tires are a safe use for compressed air - Answer True
How should gasoline be stored? - Answer In an approved safety container is a designated
storage cabinet
What information appears on MSDS - Answer Safe handling procedures for a substance
When a plastic material is burning, a fire extinguisher for which class of fire should be used? -
Answer Class A
Questions and Correct Answers 2026
Updated.
In Ontario, what is the acceptable variance from a written estimate? - Answer 10%
Which part of a repair order authorizes the shop to proceed with the repairs - Answer The
customer’s signature
What is the first step in a logical diagnostic approach? - Answer Verify the problem exists
What is an undesirable substance that may result from a service operation? - Answer
Hazardous waste
High concentration of undesirable vapours, gases or solids in the form of dust? - Answer
Chemical Hazard
A mask equipped with which type of filter should be worn when working with brake shoes or
clutch discs? - Answer HEPA filter
WHIMIS legislation includes hazards associated with chemicals used in the workplace - Answer
True
You should not use water on a flammable liquid that is on fire - Answer True
Which type of fire extinguisher should be used for an electrical fire - Answer Multipurpose
dry chemical
Inflating tires are a safe use for compressed air - Answer True
How should gasoline be stored? - Answer In an approved safety container is a designated
storage cabinet
What information appears on MSDS - Answer Safe handling procedures for a substance
When a plastic material is burning, a fire extinguisher for which class of fire should be used? -
Answer Class A
