Question 1

RTV silicone sealing products are also known as ____________________ gasket products.

Accepted Answer

The answer of RTV silicone sealing products are also known...

Question 2

Technician A says damaged threads in a cylinder head can be repaired with a helically coiled insert. Technician B says stripped threads are commonly caused by overtorquing. Who is correct?

Accepted Answer

A)  A only 
B)  B only 
C)  both A and B 
D)  neither A nor B 
A)  A only 
B)  B only 
C)  both A and B 
D)  neither A nor B

Question 3

The inner edges of the cylinder head gasket are exposed to combustion flame temperatures above ____________________ degrees Fahrenheit (____________________ degrees Celsius).

Accepted Answer

The answer of The inner edges of the cylinder head...

Question 4

Technician A uses adhesives to hold gaskets in place during assembly. Technician B uses RTV when an anaerobic sealant is required. Who is correct?

Accepted Answer

A)  A only 
B)  B only 
C)  both A and B 
D)  neither A nor B 
A)  A only 
B)  B only 
C)  both A and B 
D)  neither A nor B

Question 5

A damaged bolt should be ______.

Accepted Answer

A)  repaired with a tap 
B)  repaired with a die 
C)  discarded 
D)  both "repaired with a die" and "discarded" 
A)  repaired with a tap 
B)  repaired with a die 
C)  discarded 
D)  both "repaired with a die" and "discarded"

Question 6

Before installing a used bolt on a cylinder block, Technician A threads a new nut on the bolt to check the condition of the threads. Technician B uses a thread chaser to clean the threaded holes in the block. Who is correct?

Accepted Answer

A)  A only 
B)  B only 
C)  both A and B 
D)  neither A nor B 
A)  A only 
B)  B only 
C)  both A and B 
D)  neither A nor B

Question 7

Elasticity means that a bolt can be stretched or compressed.

Accepted Answer

A) True 
 B)False

Question 8

Technician A says cork gaskets are used on most modern engines for valve cover and oil pan gaskets. Technician B says cork gaskets will weep some of the fluid they are sealing. Who is correct?

Accepted Answer

A)  A only 
B)  B only 
C)  both A and B 
D)  neither A nor B 
A)  A only 
B)  B only 
C)  both A and B 
D)  neither A nor B

Question 9

Technician A coats head gaskets with black RTV. Technician B coats exhaust manifold gaskets with red RTV. Who is correct?

Accepted Answer

A)  A only 
B)  B only 
C)  both A and B 
D)  neither A nor B 
A)  A only 
B)  B only 
C)  both A and B 
D)  neither A nor B

Question 10

What should be done to correct bolt holes in the block that are pulled up [raised]?

Accepted Answer

A)  The threads should be cleaned with a bottoming tap 
B)  The bolt holes should be tapered at the surface by chamfering 
C)  Both "The threads should be cleaned with a bottoming tap" and "The bolt holes should be tapered at the surface by chamfering" 
D)  Neither "The threads should be cleaned with a bottoming tap" nor "The bolt holes should be tapered at the surface by chamfering" 
A)  The threads should be cleaned with a bottoming tap 
B)  The bolt holes should be tapered at the surface by chamfering 
C)  Both "The threads should be cleaned with a bottoming tap" and "The bolt holes should be tapered at the surface by chamfering" 
D)  Neither "The threads should be cleaned with a bottoming tap" nor "The bolt holes should be tapered at the surface by chamfering"

Question 11

What problem does a head gasket encounter when located in a bimetal engine?

Accepted Answer

The head gasket must be constructed to a

Question 12

Two technicians are discussing how to repair minor scratches on the seal surface of a shaft [the part of the shaft the seal rides on]. Technician A uses fine emery cloth to polish the seal surface. Technician B uses a mill file. Who is correct?

Accepted Answer

A)  A only 
B)  B only 
C)  both A and B 
D)  neither A nor B 
A)  A only 
B)  B only 
C)  both A and B 
D)  neither A nor B

Question 13

Technician A says gaskets made of paper, fiber, and cork are called soft cut gaskets. Technician B always uses new gaskets and never reuses old ones. Who is correct?

Accepted Answer

A)  A only 
B)  B only 
C)  both A and B 
D)  neither A nor B 
A)  A only 
B)  B only 
C)  both A and B 
D)  neither A nor B

Question 14

Identify the three grades and purposes of silicone gasket material.

Accepted Answer

Black is for general

Question 15

When lubrication of a fastener is recommended prior to installation, ______.

Accepted Answer

A)  add the lubricant to the bolt hole 
B)  apply the lubricant to the bolt threads 
C)  both "add the lubricant to the bolt hole" and "apply the lubricant to the bolt threads" 
D)  neither "add the lubricant to the bolt hole" nor "apply the lubricant to the bolt threads" 
A)  add the lubricant to the bolt hole 
B)  apply the lubricant to the bolt threads 
C)  both "add the lubricant to the bolt hole" and "apply the lubricant to the bolt threads" 
D)  neither "add the lubricant to the bolt hole" nor "apply the lubricant to the bolt threads"

Question 16

The shop manual should have a picture of the head bolt tightening sequence. If there is no shop manual or technical data available, the best tightening sequence would be:

Accepted Answer

A)  Tighten from left to right all of the top row [intake side] first, then tighten all of the bottom row [exhaust] bolts right to left 
B)  Tighten from left to right all of the bottom row bolts [exhaust side] first, then tighten all of the top row [intake] bolts right to left 
C)  A circular pattern beginning in the center and ending on the outboard ends 
D)  A circular pattern working from the outside toward the center 
A)  Tighten from left to right all of the top row [intake side] first, then tighten all of the bottom row [exhaust] bolts right to left 
B)  Tighten from left to right all of the bottom row bolts [exhaust side] first, then tighten all of the top row [intake] bolts right to left 
C)  A circular pattern beginning in the center and ending on the outboard ends 
D)  A circular pattern working from the outside toward the center

Question 17

Two technicians are discussing gasket installation. Technician A says if sealant is applied to a gasket designed to be installed dry, the gasket may leak. Technician B says if sealant is required, it will be included in the box with the gasket. Who is correct?

Accepted Answer

A)  A only 
B)  B only 
C)  both A and B 
D)  neither A nor B 
A)  A only 
B)  B only 
C)  both A and B 
D)  neither A nor B

Question 18

Two technicians are discussing rear main seals. Technician A says modern engines use a molded synthetic rubber lip-type seal. Technician B says modern engines use a wick or rope type seal. Who is correct?

Accepted Answer

A)  A only 
B)  B only 
C)  both A and B 
D)  neither A nor B 
A)  A only 
B)  B only 
C)  both A and B 
D)  neither A nor B

Question 19

Graphite is a ______.

Accepted Answer

A)  natural lubricant 
B)  synthetic lubricant 
C)  natural sealant 
D)  synthetic sealant 
A)  natural lubricant 
B)  synthetic lubricant 
C)  natural sealant 
D)  synthetic sealant

Question 20

The lip on a lip-type seal faces _____.

Accepted Answer

A)  toward the front of the engine 
B)  toward the rear of the engine 
C)  away from the fluid it is sealing 
D)  toward the fluid that it is sealing 
A)  toward the front of the engine 
B)  toward the rear of the engine 
C)  away from the fluid it is sealing 
D)  toward the fluid that it is sealing

Exam 13: Engine Sealing and Reassembly

RTV silicone sealing products are also known as ____________________ gasket products.

Technician A says damaged threads in a cylinder head can be repaired with a helically coiled insert. Technician B says stripped threads are commonly caused by overtorquing. Who is correct?

The inner edges of the cylinder head gasket are exposed to combustion flame temperatures above ____________________ degrees Fahrenheit (____________________ degrees Celsius).

Technician A uses adhesives to hold gaskets in place during assembly. Technician B uses RTV when an anaerobic sealant is required. Who is correct?

A damaged bolt should be ______.

Before installing a used bolt on a cylinder block, Technician A threads a new nut on the bolt to check the condition of the threads. Technician B uses a thread chaser to clean the threaded holes in the block. Who is correct?

Elasticity means that a bolt can be stretched or compressed.

Technician A says cork gaskets are used on most modern engines for valve cover and oil pan gaskets. Technician B says cork gaskets will weep some of the fluid they are sealing. Who is correct?

Technician A coats head gaskets with black RTV. Technician B coats exhaust manifold gaskets with red RTV. Who is correct?

What should be done to correct bolt holes in the block that are pulled up [raised]?

What problem does a head gasket encounter when located in a bimetal engine?

Two technicians are discussing how to repair minor scratches on the seal surface of a shaft [the part of the shaft the seal rides on]. Technician A uses fine emery cloth to polish the seal surface. Technician B uses a mill file. Who is correct?

Technician A says gaskets made of paper, fiber, and cork are called soft cut gaskets. Technician B always uses new gaskets and never reuses old ones. Who is correct?

Identify the three grades and purposes of silicone gasket material.

When lubrication of a fastener is recommended prior to installation, ______.

The shop manual should have a picture of the head bolt tightening sequence. If there is no shop manual or technical data available, the best tightening sequence would be:

Two technicians are discussing gasket installation. Technician A says if sealant is applied to a gasket designed to be installed dry, the gasket may leak. Technician B says if sealant is required, it will be included in the box with the gasket. Who is correct?

Two technicians are discussing rear main seals. Technician A says modern engines use a molded synthetic rubber lip-type seal. Technician B says modern engines use a wick or rope type seal. Who is correct?

Graphite is a ______.

The lip on a lip-type seal faces _____.

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The inner edges of the cylinder head gasket are exposed to combustion flame temperatures above degrees Fahrenheit ( degrees Celsius).