Automotive Lubrication and Components

Front

What is the primary purpose of a turbocharger in an engine?

Back

To increase engine power by forcing more air into the combustion chamber

Front

Which of the following is a function of the engine's lubrication system? Holds an adequate supply of oil, Removes contaminates from oil, Delivers oil to all necessary areas of the engine, All of the above

Back

All of the above

Front

Technician A says that engine oil is used to clean, cool, and lubricate the engine. Technician B says engine oil helps seal some internal engine parts. Who is correct?

Back

Both A and B

Front

When an engine experiences decreased oil pressure, Technician A says that piston slap is a likely initial symptom. Technician B says that valvetrain noise is common with decreased oil pressure. Who is correct?

Back

B only

Front

Which of the following would be a likely cause excessive oil consumption?
Options: Faulty PCV system, Worn piston rings, Both A and B , Neither A or B

Back

Both A and B

Front

Engine oil viscosity ratings are being discussed. Technician A says a low-weight oil works best in high-temperature regions. Technician B says all multi-viscosity oils are interchangeable. Who is correct?

Back

Neither A or B

Front

Engine oil pressure is being discussed. Technician A says low pressure may be caused by worn engine bearings. Technician B says oil viscosity, temperature, and contamination can affect oil pressure. Who is correct?

Back

Both A and B

Front

Which of the following would not cause low oil pressure?
Plugged oil pickup screen, Excessive oil dilution, Excessive valve lifter wear, Excessive engine bearing wear

Back

Excessive valve lifter wear