DSL 201 Engines Mid-Term Test Week 05

Clearance volume can be directly related to __________.

• Power stroke

• Compression ratio

• Overlap

• Swept volume

What type of piston is this?

• Monotherm

• Special Piston

• Perpendicular

• Trunk

Technician A says engines have replaceable piston rings to minimize gas leakage past the piston. Technician B says an intermediate ring has compression-sealing functions, but no oil control functions. Who is correct?

• Technician A

• Technician B

• Both Technician A and Technician B

• Neither Technician A nor Technician B

What type of piston is this?

• Trunk

• Rotating

• Mack Piston

• Monotherm

What component is used to prevent a block camshaft from wearing on the block surface?

• Thrust washer

• Prevent washer

• Rubber washer

• None of these is correct.

What type of piston is this?

• Articulating

• Monotherm

• Trunk

• All of these are correct

Technician A says a gear train or valve timing mechanism is used to coordinate the movement of the crankshaft with the camshaft and the valves. Technician B says the gear train does not operate power take-off (PTO) pumps. Who is correct?

• Technician A

• Technician B

• Both Technician A and Technician B

• Neither Technician A nor Technician B

What engine component is this?

• Thrust washer

• Half moon bearing

• Oiling rods

• Grease retainers

Where should desired maximum cylinder pressure occur?

• 10–15 degrees BTDC

• 10–15 degrees ATDC

• 10–15 degrees BBDC

• None of these are correct

What engine component is this?

• Thrust Washer

• Plain Bearing

• Bushing

• Roller Bearing