Engine Mechanical Repair Pretest/Homework

What is a difference between a VR6 and a V6 cylinder configuration?

• The V6 uses two cylinder heads, while the VR6 uses only one.

• The VR6 is not a reciprocating engine, but the V6 is.

• The VR6 uses two cylinder heads, while the V6 uses only one.

• The V6 is not a reciprocating engine, but the VR6 is.

What is a "W" cylinder configuration?

• A reverse W shaped rotary engine.

• Two separate banks of VR configurations.

• A slightly wider V configuration.

• A "Wankel" design.

Select all that apply. Which are tasks of the piston rings?

• Preventing blow-by.

• Providing an additional path for factory smoke.

• Keeping oil in the crankcase from being sucked into the cylinder.

• Transferring heat from the piston to the cylinder walls.

How long have threaded fasteners been around for?

• Since 1622

• Since at least 300 A.D.

• Since at least 300 B.C.

• Since the Cretaceous Period

What is the benefit of using "torque-to-yield" fasteners?

• They are additional parts to sell.

• They prove if a technician is reading the repair manual.

• What is a stretch bolt?

• Almost the same exact clamping force is applied through each fastener.

What does the term "conrod" mean?

• It's a combination of the words "connecting" and "rod".

• It's not a term that is used anymore.

• It's a type of piston design.

• It's a type of rod journal design.

What will happen if you install a machine-cut connecting rod cap backward?

• The two misaligned half-circles can damage the bearing, rod, or crankshaft.

• Nothing. They are perfect circles, so there is no "backwards".

• Oil will not be able to fill the oil gallery inside the rod due to misalignment.

• They "wear into place" without causing damage to any components.

What are the 4 "strokes" of a 4 stroke engine?

• Intake, Compression, Power, Exhaust

• Intake, Exhaust, Oil, Recirculate

• Exhaust, Intake, Decompress, Release, Extra

• Compression, Power, Compression, Exhaust

How many times does a crankshaft rotate to complete all 4 strokes for a cylinder?

• 1 full rotation

• 1/2 a rotation

• 2 full 1/2 rotations

• 2 full rotations

What is the crankshaft to camshaft gear ratio?

• 2:1

• 1:2

• 1:1

• 2:2