Engine Block Components Test CDX

Question 1

Technician A says the ridge at the top of the cylinder is too big if after the carbon has been scraped off it catches a fingernail. Technician B says that if the ridge is significant, and you plan to reuse the pistons, you will need to remove the ridge with a tool called a ridge reamer. Who is correct?

Answer 1

Both Technician A and Technician B

Question 2

Two technicians are discussing removal of square-type oil gallery plugs. Technician A says that you need to use an acetylene cutting torch and cut them out of the block. Technician B says that you should only use the proper hardened steel tool to remove them. Who is correct?

Answer 2

Technician B

Question 3

Complete engine removal and disassembly is usually performed when:

Answer 3

the engine requires major repairs or rebuilding.

Question 4

The __________ fits in the cylinder like a close-fitted, removable plug.

Answer 4

piston

Question 5

Which of the following piston types has 16% to 19% silicon in its construction?

Answer 5

Hypereutectic piston

Question 6

A typical dry sleeve is held in place by a(n) _____________________ with the cylinder walls.

Answer 6

interference fit

Question 7

Which of the following connecting rods are hammered by large presses into shape?

Answer 7

Forged connecting rods

Question 8

The _______________ gets its name because it is not in direct contact with the water jacket.

Answer 8

dry sleeve

Question 9

All of the following are types of cylinder sleeves, EXCEPT:

Answer 9

articulated sleeve.

Question 10

The four most common causes of main or rod bearing wear seen by technicians are:

Answer 10

dirt, insufficient oil, improper assembly, and operational (driver) faults.

Question 11

Technician A says you should use bolts and rubber bands above a cylinder to catch a piston. Technician B says you should place protective covers on the rod bolts to protect the rod journal. Who is correct?

Answer 11

?

Question 12

Before removing the engine oil pan:

Answer 12

drain and dump the oil and other debris.

Question 13

When removing connecting rod bearing caps, do all of the following, EXCEPT:

Answer 13

?

Question 14

Water jacket plugs:

Answer 14

are also known as core plugs.

Question 15

Two technicians are discussing engine cleaning. Technician A says heads and engine blocks only need cleaned on the outside, since oil keeps the inside clean. Technician B says heads and blocks will need to be hot tanked, blasted or baked. Who is correct?

Answer 15

Technician B

Question 16

A crankshaft can be faulty because of:

Answer 16

All of the answers listed

Question 17

Cracks in cast-iron parts are commonly detected by a process called:

Answer 17

magnafluxing.

Question 18

Zyglo is a:

Answer 18

crack-detection dye for metals.

Question 19

During cylinder honing, the technician must do all of the following, EXCEPT:

Answer 19

stop the hone and then withdraw the hone from the cylinder.

Question 20

Typical clearance for a floating piston pin is:

Answer 20

0.040” to 0.080”.