Question 1

Which of the following statements about RTV is NOT true?

Accepted Answer

A)  The correct type of RTV must be chosen for the given application. 
B)  The RTV must withstand the fluids and temperatures for the component it is used on. 
C)  Using too much RTV is always a safe repair practice. 
D)  Different RTVs can have different thickness and flexibility when cured. 
A)  The correct type of RTV must be chosen for the given application. 
B)  The RTV must withstand the fluids and temperatures for the component it is used on. 
C)  Using too much RTV is always a safe repair practice. 
D)  Different RTVs can have different thickness and flexibility when cured.

Question 2

Seals can develop leaks, which can cause bearings to ______.

Accepted Answer

A)  Become dry 
B)  Overheat from a lack of lubrication 
C)  Become damaged 
D)  All of the above 
A)  Become dry 
B)  Overheat from a lack of lubrication 
C)  Become damaged 
D)  All of the above

Question 3

Technician A says that too much RTV sealant is never a concern, and a generous amount should always be applied. Technician B says that the RTV instructions for waiting time should always be followed before returning the part back into service. Who is correct?

Accepted Answer

A)  Technician A 
B)  Technician B 
C)  Both technicians A and B 
D)  Neither technician A nor B 
A)  Technician A 
B)  Technician B 
C)  Both technicians A and B 
D)  Neither technician A nor B

Question 4

Technician A says that a stamped steel surface should always be checked for warpage. Technician B says that all bolts should be completely started by hand before anything is torqued. Who is correct?

Accepted Answer

A)  Technician A 
B)  Technician B 
C)  Both technicians A and B 
D)  Neither technician A nor B 
A)  Technician A 
B)  Technician B 
C)  Both technicians A and B 
D)  Neither technician A nor B

Question 5

Which of the following is NOT a proper way to remove old gaskets and sealants from soft metals such as aluminum?

Accepted Answer

A)  Metal scraper 
B)  Chemical gasket remover 
C)  Bristle disc of the correct color 
D)  Plastic scraper 
A)  Metal scraper 
B)  Chemical gasket remover 
C)  Bristle disc of the correct color 
D)  Plastic scraper

Question 6

Choose the correct statement:

Accepted Answer

A)  Always reuse gaskets and seals. 
B)  Sealants should not be used in transmissions. 
C)  Gasket surfaces don't need to be cleaned because the new gasket will seal any residual gasket material. 
D)  Check the main case and output shaft housing with a straightedge and feeler gauge. 
A)  Always reuse gaskets and seals. 
B)  Sealants should not be used in transmissions. 
C)  Gasket surfaces don't need to be cleaned because the new gasket will seal any residual gasket material. 
D)  Check the main case and output shaft housing with a straightedge and feeler gauge.

Question 7

The purpose of axle seals is to ___________.

Accepted Answer

A)  Contain the lubricating fluid in the final drive assembly 
B)  Maintain quiet operation 
C)  Seal contaminants out of the sealed cavity 
D)  All of the above 
A)  Contain the lubricating fluid in the final drive assembly 
B)  Maintain quiet operation 
C)  Seal contaminants out of the sealed cavity 
D)  All of the above

Question 8

The aim of thread repair is to restore the thread to a condition that restores the fastening integrity.

Accepted Answer

A) True 
 B)False

Question 9

To properly accomplish their given job, fasteners come in a variety of diameters for different sized loads, and hardnesses, which are defined in grades.

Accepted Answer

A) True 
 B)False

Question 10

Technician A says that chemical gasket removers must be used in conjunction with another mechanical gasket removal tool. Technician B says that abrasive discs can cause some engine bearing damage and should not be used. Who is correct?

Accepted Answer

A)  Technician A 
B)  Technician B 
C)  Both technicians A and B 
D)  Neither technician A nor B 
A)  Technician A 
B)  Technician B 
C)  Both technicians A and B 
D)  Neither technician A nor B

Question 11

Tech A says that some locking nuts have a nylon insert that has a smaller diameter hole than the threads in the nut. Tech B says that castle nuts are used with cotter pins to prevent the nut from loosening. Who is correct?

Accepted Answer

A)  Tech A 
B)  Tech B 
C)  Both A and B 
D)  Neither A nor B 
A)  Tech A 
B)  Tech B 
C)  Both A and B 
D)  Neither A nor B

Question 12

The thread of a bolt acts as an inclined plane; as the bolt is turned, it is drawn into or out of the matching thread.

Accepted Answer

A) True 
 B)False

Question 13

Technician A says that a replaceable sealed wheel bearing replacement normally requires the removal of the steering knuckle and use of a hydraulic press. Technician B says that a special tool will allow a replaceable bearing to be replaced on the vehicle without removal of the steering knuckle. Who is correct?

Accepted Answer

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

Question 14

________ can be of the caged type, or they can be a loose number assembled to operate directly on a hardened gear or shaft.

Accepted Answer

A)  Thrust washers 
B)  Needle roller bearings 
C)  Thrust bearings 
D)  Selective thickness shims 
A)  Thrust washers 
B)  Needle roller bearings 
C)  Thrust bearings 
D)  Selective thickness shims

Question 15

Technician A says that abrasive discs cannot cause any damage to the engine or components. Technician B says that when using abrasive discs, some of the material may damage engine components, such as bearings, and should never be used. Who is correct?

Accepted Answer

A)  Technician A 
B)  Technician B 
C)  Both technicians A and B 
D)  Neither technician A nor B 
A)  Technician A 
B)  Technician B 
C)  Both technicians A and B 
D)  Neither technician A nor B

Question 16

Which types of bearings are typically used to support purely radial loads?

Accepted Answer

A)  Thrust bearings 
B)  Ball bearings 
C)  Sleeve bearings 
D)  Roller bearings 
A)  Thrust bearings 
B)  Ball bearings 
C)  Sleeve bearings 
D)  Roller bearings

Question 17

__________ should always be used on threaded pipes, plugs, or bolts.

Accepted Answer

A)  RTV 
B)  Gasket material 
C)  Anti-seize 
D)  Thread sealer 
A)  RTV 
B)  Gasket material 
C)  Anti-seize 
D)  Thread sealer

Exam 4: Fasteners and Thread Repair

Which of the following statements about RTV is NOT true?

Seals can develop leaks, which can cause bearings to ______.

Technician A says that too much RTV sealant is never a concern, and a generous amount should always be applied. Technician B says that the RTV instructions for waiting time should always be followed before returning the part back into service. Who is correct?

Technician A says that a stamped steel surface should always be checked for warpage. Technician B says that all bolts should be completely started by hand before anything is torqued. Who is correct?

Which of the following is NOT a proper way to remove old gaskets and sealants from soft metals such as aluminum?

Choose the correct statement:

The purpose of axle seals is to ___________.

The aim of thread repair is to restore the thread to a condition that restores the fastening integrity.

To properly accomplish their given job, fasteners come in a variety of diameters for different sized loads, and hardnesses, which are defined in grades.

Technician A says that chemical gasket removers must be used in conjunction with another mechanical gasket removal tool. Technician B says that abrasive discs can cause some engine bearing damage and should not be used. Who is correct?

Tech A says that some locking nuts have a nylon insert that has a smaller diameter hole than the threads in the nut. Tech B says that castle nuts are used with cotter pins to prevent the nut from loosening. Who is correct?

The thread of a bolt acts as an inclined plane; as the bolt is turned, it is drawn into or out of the matching thread.

________ can be of the caged type, or they can be a loose number assembled to operate directly on a hardened gear or shaft.

Technician A says that abrasive discs cannot cause any damage to the engine or components. Technician B says that when using abrasive discs, some of the material may damage engine components, such as bearings, and should never be used. Who is correct?

Which types of bearings are typically used to support purely radial loads?

__________ should always be used on threaded pipes, plugs, or bolts.

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