Deck 15: Engine Hardware: Fasteners, Thread Repair, and Gaskets

Question 1

Technician A says one wrench is sufficient when loosening a flare-nut. Technician B says embossed steel gaskets should be installed with the embossed side toward the block. Who is right?

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

Answer 1

D

Question 2

Technician A says that a harmonic balancer repair sleeve kit will repair a worn damper hub at minimal cost. Technician B says this type sleeve is pressed onto the hub using a small amount of silicone sealer. Who is correct?

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

Answer 2

A

Question 3

The recommended drill speed for 1/4" mild steel is 750 rpm.

Answer 3

True

Question 4

Technician A says spark plugs that have tapered seats require no gasket. Technician B says spark plugs that have flat seats require gaskets. Who is correct?

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

Question 5

Technician A says copper head gaskets are available for use in corrosive environments. Technician B says Teflon coated gaskets require the use of gasket sealer. Who is right?

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

Question 6

All of the following are types of thread inserts used in engine repairs, EXCEPT _____.

A) solid
B) Smartsert
C) Keensert
D) heli-coil

Question 7

Technician A says chevron seals are used at the front and rear of the crankcase. Technician B says dynamic seals are used to seal moving parts. Who is right?

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

Question 8

Technician A says the click-type torque wrench is best because it is the most accurate. Technician B says that an inch-pound torque wrench should be used when measuring smaller torque values. Who is correct?

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

Question 9

Technician A says recommendations specify valve cover gaskets be tightened to 5 to 15 foot-pounds. Technician B says many gaskets used in the automotive industry are directional. Who is correct?

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

Question 10

To anneal a metal, it is heated and cooled rapidly.

Question 11

Used only on precision machine parts, a(n) ____ sealer hardens in the absence of air.

Question 12

Why should silicone application be avoided around fuel and automatic transmission fluid?

Question 13

Drill bits for iron and steel are properly ground to a _____ degree angle.

Question 14

A heli-coil is a thread repair device.

Question 15

ISO flares and SAE double flares are interchangeable.

Question 16

Technician A says some manufacturers recommend head bolts going into a coolant passage be sealed with liquid thread sealant. Technician B says RTV stands for right torque value. Who is correct?

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

Question 17

Standard inch bolts have lines on the heads to identify the grade.

Question 18

Technician A says multi-layered steel gaskets have from eight to ten layers. Technician B says when drilling steel, you use a cutting oil. Who is right?

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