Engine mechanical testing

True or False. The process of mechanical testing will first help you identify the location of a mechanical problem and then identify the cause of the fault.

• true

• false

All of the following are used to fully assess the mechanical condition of an engine, EXCEPT:

• a compression tester

• a strobe light balancer

• a scan tool

• a vacuum gauge

What unit of measure is used when testing engine compression and cylinder leakage?

• Pounds per square inch (psi)

• millimeters

• Both A and B

• None of the above

True or False. Cylinder leakage testing is usually performed only on a cylinder with low compression pressure.

• true

• false

Which color of smoke from the exhaust indicates an internal mechanical problem in the engine?

• Blue

• White

• Black

• All of the above

A vehicle has black smoke coming from the exhaust after the engine is warmed up. Tech A says this may indicate worn valve springs. Tech B says this may indicate leaking fuel injectors. Who is correct?

• A) Tech A

• B) Tech B

• C) Both Techs A and B

• D) Neither Tech A nor B

Name this Tool?

• Torque Wrench
• Pliers
• Screwdriver
• Spanner

What is this used for?

• Checking Screen Wash Level
• Checking Engine Oil Level
• Aeiral
• Brake Fluid Level

1. Student A says jack stands are not necessary when going under a vehicle that is supported by a floor jack. Student B says that concrete blocks can substitute for jack stands. Who is correct?

• Student A

• Student B

• Both

• Neither

1. Student A says carbon monoxide is a colorless, odorless, and poisonous gas. Student B says proper ventilation is required when running a vehicle in a garage. Who is correct?

• Student A

• Student B

• Both

• Neither