AUT 102 Chapter 21 Week 8/9 Quiz

How does a technician verify piston slap repair?

• By measuring the engine block size.

• By testing the vehicle on a cold start-up.

• By visually inspecting the piston bore before reassembly.

• By comparing the piston measurements to manufacturer's specifications.

The ability to recognize engine failures that are beyond repair will help the automotive technician to know whether it is more cost effective for the customer to replace rather than repair the engine.

• True

• False

Typically, once a defective engine is replaced, the broken engine is sent to the parts store from which the new engine was purchased for a “________.”

• Core switch

• Core return

• Part switch

• Part return

Engine machining is performed any time the ________ of an engine component must be adjusted by adding or removing material.

• Torque handling capacity

• Weight

• Tolerances

• Surface hardness

It is important that all pistons have _________ between the cylinder head and the cylinder block to maintain equal compression values.

• Slightly differing amounts of space

• Zero space

• Increasing amounts of space

• The exact same amount of space

The _______ is approximately 2 inches thick and bolts in place where the cylinder head is fastened on to the engine block

• Guide plate

• Torque plate

• Pressure plate

• Block plate

When preparing to hone a cylinder, first, clean the cylinder walls with solvent; then scrub them with ________ and a stiff brush to remove any metal and stone particles.

• An undiluted cleaning agent

• Hot water

• Warm, soapy water

• A chemical cleaning solution with one part water

Before boring a cylinder, the size of the _______ must be known.

• Connecting rod

• Piston

• Bearing

• Valves

Crankshafts are usually ground to all of the following EXCEPT:

• 0.02"

• 0.01"

• 0.04"

• 0.03"

Using the induction hardening method allows the crankshaft to be reground on the _________ without having to redo the hardening process.

• Main bearing journals

• Rod bearing journals

• Both A and B

• Neither A nor B