Question 1

List (in inches) the different undersizes to which a crankshaft can be reground.

Accepted Answer

0.010", 0.

Question 2

Technician A says the rotating end of the connecting rod is the big end. Technician B says the reciprocating end of the connecting rod is the big end. Who is correct?

Accepted Answer

A) Technician A 
B) Technician B 
C) Both technicians 
D) Neither technician 
A) Technician A 
B) Technician B 
C) Both technicians 
D) Neither technician

Question 3

Why do 90-degree V6 engines use soft engine mounts?

Accepted Answer

Ninety-degree V6 engines use s

Question 4

Engine balance is being discussed. Technician A says balance in an in-line engine is not as important as in a V-type engine. Technician B says some steel crankshafts must not be replaced with a cast crankshaft or balance problems may occur. Who is right?

Accepted Answer

A) Technician A 
B) Technician B 
C) Both technicians 
D) Neither technician 
A) Technician A 
B) Technician B 
C) Both technicians 
D) Neither technician

Question 5

What are three properties of a bearing?

Accepted Answer

A. Conformability
B.

Question 6

Normal main bearing wear is on the _____.

Accepted Answer

A)  top 
B)  bottom 
A)  top 
B)  bottom

Question 7

All of the below are causes of thrust bearing failure, EXCEPT _____.

Accepted Answer

A) missing or poor electrical grounds 
B) excessive torque convertor pressure 
C) poor thrust bearing surface finish 
D) a correctly installed rope seal 
A) missing or poor electrical grounds 
B) excessive torque convertor pressure 
C) poor thrust bearing surface finish 
D) a correctly installed rope seal

Question 8

Every other rod journal has a counterweight.

Accepted Answer

A) True 
 B)False

Question 9

What is the term that describes the crankshaft being pushed forward by the clutch or torque converter?

Accepted Answer

The answer of What is the term that describes the...

Question 10

Technician A says that bearings have a soft surface that flows away from high spots in case of a nick in the crankshaft. Technician B says that dirt can be absorbed into the crankshaft journal surface. Who is right?

Accepted Answer

A) Technician A only 
B) Technician B only 
C) Both A and B 
D) Neither A nor B 
A) Technician A only 
B) Technician B only 
C) Both A and B 
D) Neither A nor B

Question 11

How do forged crankshafts compare to cast crankshafts in terms of strength and cost?

Accepted Answer

Forged crankshafts a

Question 12

A copper-lead bearing can carry loads as high as _____ psi.

Accepted Answer

A) 7,000 
B) 8,000 
C) 10,000 
D) 12,000 
A) 7,000 
B) 8,000 
C) 10,000 
D) 12,000

Question 13

What is another name for the rod journal?

Accepted Answer

The answer of What is another name for the rod...

Question 14

Damaging the tone ring on a crankshaft can result in computer problems.

Accepted Answer

A) True 
 B)False

Question 15

What is the difference in appearance between an in-line engine rod journal and a V8 rod journal?

Accepted Answer

A V8 rod j

Question 16

Technician A says that engine vibration problems can sometimes be resolved by installing the correct engine mounts. Technician B says that counterweights that are too light are drilled and filled with heavier metal. Who is right?

Accepted Answer

A) Technician A only 
B) Technician B only 
C) Both A and B 
D) Neither A nor B 
A) Technician A only 
B) Technician B only 
C) Both A and B 
D) Neither A nor B

Question 17

Technician A says many balance shafts are supported by needle bearings. Technician B says as the piston approaches TDC, its force pulls the engine up. Who is correct?

Accepted Answer

A) Technician A 
B) Technician B 
C) Both technicians 
D) Neither technician 
A) Technician A 
B) Technician B 
C) Both technicians 
D) Neither technician

Question 18

Technician A says the outer ring of the vibration damper can slip out of position. Technician B says the most vibration occurs at the rear of the crankshaft. Who is right?

Accepted Answer

A) Technician A 
B) Technician B 
C) Both technicians 
D) Neither technician 
A) Technician A 
B) Technician B 
C) Both technicians 
D) Neither technician

Question 19

A crankshaft has been ground to 0.010"-0.020". Technician A says that 0.010" traditionally represents the rod journal undersize. Technician B says that 0.020" represents the main bearing undersize. Who is right?

Accepted Answer

A) Technician A only 
B) Technician B only 
C) Both A and B 
D) Neither A nor B 
A) Technician A only 
B) Technician B only 
C) Both A and B 
D) Neither A nor B

Question 20

To clean minor rust from a crankshaft journal, use a 300-grit sandpaper.

Accepted Answer

A) True 
 B)False

List (in inches) the different undersizes to which a crankshaft can be reground.

Technician A says the rotating end of the connecting rod is the big end. Technician B says the reciprocating end of the connecting rod is the big end. Who is correct?

Why do 90-degree V6 engines use soft engine mounts?

Engine balance is being discussed. Technician A says balance in an in-line engine is not as important as in a V-type engine. Technician B says some steel crankshafts must not be replaced with a cast crankshaft or balance problems may occur. Who is right?

What are three properties of a bearing?

Normal main bearing wear is on the _____.

All of the below are causes of thrust bearing failure, EXCEPT _____.

Every other rod journal has a counterweight.

What is the term that describes the crankshaft being pushed forward by the clutch or torque converter?

Technician A says that bearings have a soft surface that flows away from high spots in case of a nick in the crankshaft. Technician B says that dirt can be absorbed into the crankshaft journal surface. Who is right?

How do forged crankshafts compare to cast crankshafts in terms of strength and cost?

A copper-lead bearing can carry loads as high as _____ psi.

What is another name for the rod journal?

Damaging the tone ring on a crankshaft can result in computer problems.

What is the difference in appearance between an in-line engine rod journal and a V8 rod journal?

Technician A says that engine vibration problems can sometimes be resolved by installing the correct engine mounts. Technician B says that counterweights that are too light are drilled and filled with heavier metal. Who is right?

Technician A says many balance shafts are supported by needle bearings. Technician B says as the piston approaches TDC, its force pulls the engine up. Who is correct?

Technician A says the outer ring of the vibration damper can slip out of position. Technician B says the most vibration occurs at the rear of the crankshaft. Who is right?

A crankshaft has been ground to 0.010"-0.020". Technician A says that 0.010" traditionally represents the rod journal undersize. Technician B says that 0.020" represents the main bearing undersize. Who is right?

To clean minor rust from a crankshaft journal, use a 300-grit sandpaper.

Engine Operation

Engine Shop Safety

Diagnosing Engine Problems

Engine Removal, Disassembly, Inspection, and In-Chassis Repairs

Cleaning the Engine

Micrometer Practice

Cylinder Head: Parts and Service

Cylinder Head: Springs, Valves, and Valve Sets

Camshafts, Lifters, Timing Belts, and Chains

Cylinder Block: Inspection and Service

Pistons, Rings, and Connecting Rods

Lubrication

Cooling System

Engine Hardware: Fasteners, Thread Repair, and Gaskets

Reassembly and Starting

Engine Breathing: Intake and Exhaust Systems

Turbochargers and Superchargers

Producing Power: Valve Timing, Power and Torque Measurement

Filters

Exam 11: Crankshaft, Bearings, and Engine Balancing

List (in inches) the different undersizes to which a crankshaft can be reground.

Technician A says the rotating end of the connecting rod is the big end. Technician B says the reciprocating end of the connecting rod is the big end. Who is correct?

Why do 90-degree V6 engines use soft engine mounts?

Engine balance is being discussed. Technician A says balance in an in-line engine is not as important as in a V-type engine. Technician B says some steel crankshafts must not be replaced with a cast crankshaft or balance problems may occur. Who is right?

What are three properties of a bearing?

Normal main bearing wear is on the _____.

All of the below are causes of thrust bearing failure, EXCEPT _____.

Every other rod journal has a counterweight.

What is the term that describes the crankshaft being pushed forward by the clutch or torque converter?

Technician A says that bearings have a soft surface that flows away from high spots in case of a nick in the crankshaft. Technician B says that dirt can be absorbed into the crankshaft journal surface. Who is right?

How do forged crankshafts compare to cast crankshafts in terms of strength and cost?

A copper-lead bearing can carry loads as high as _____ psi.

What is another name for the rod journal?

Damaging the tone ring on a crankshaft can result in computer problems.

What is the difference in appearance between an in-line engine rod journal and a V8 rod journal?

Technician A says that engine vibration problems can sometimes be resolved by installing the correct engine mounts. Technician B says that counterweights that are too light are drilled and filled with heavier metal. Who is right?

Technician A says many balance shafts are supported by needle bearings. Technician B says as the piston approaches TDC, its force pulls the engine up. Who is correct?

Technician A says the outer ring of the vibration damper can slip out of position. Technician B says the most vibration occurs at the rear of the crankshaft. Who is right?

A crankshaft has been ground to 0.010"-0.020". Technician A says that 0.010" traditionally represents the rod journal undersize. Technician B says that 0.020" represents the main bearing undersize. Who is right?

To clean minor rust from a crankshaft journal, use a 300-grit sandpaper.

Engine Operation

Engine Shop Safety

Diagnosing Engine Problems

Engine Removal, Disassembly, Inspection, and In-Chassis Repairs

Cleaning the Engine

Micrometer Practice

Cylinder Head: Parts and Service

Cylinder Head: Springs, Valves, and Valve Sets

Camshafts, Lifters, Timing Belts, and Chains

Cylinder Block: Inspection and Service

Pistons, Rings, and Connecting Rods

Lubrication

Cooling System

Engine Hardware: Fasteners, Thread Repair, and Gaskets

Reassembly and Starting

Engine Breathing: Intake and Exhaust Systems

Turbochargers and Superchargers

Producing Power: Valve Timing, Power and Torque Measurement

Filters