Engine Block and Cylinder Liner Service 201c

Question 1

Which of the following should not be used to clean aluminum components?

Answer 1

a) petroleum solvents.
b) steam cleaner.
c) hot tank (caustic solution.)
d) mechanical parts washer.

Question 2

If a cylinder block is being cleaned for overhaul,_____should be removed so that coolant and oil passages can be thoroughly flushed.

Answer 2

a) expansion and threaded plugs
b) main bearing caps
c) cylinder head dowels
d) camshaft bearings

Question 3

During cylinder block cleaning, do not contact_____with high pressure, steam or water.

Answer 3

a) machined surfaces
b) aluminum components
c) oil passages
d) any part of your body or skin

Question 4

Dye check is a method of crack detection that:

Answer 4

a) can be used on all types of materials.
b) is restricted to use on ferrous metals.
c) can be used on painted surfaces.
d) shows up under black light.

Question 5

Before reusing components that have been tested using the magnetic particle or magnaflux method, it is necessary to:

Answer 5

a) allow a 24 hour waiting period.
b) back up the test results using dye penetrant.
c) clean the components thoroughly to remove test materials.
d) allow the components to cool.

Question 6

When pressure testing a cylinder block it should be immersed in hot water to:

Answer 6

a) clean and degrease cracked areas.
b) allow expansion of the cylinder block.
c) reduce the air pressure needed for the test.
d) seal gaskets and O-rings.

Question 7

The machined surfaces of the cylinder block should be checked for flatness using:

Answer 7

a) ______and

b) ______.

Question 8

Stripped threads in the cylinder block casting are most commonly repaired using:

Answer 8

a) self threading fasteners.
b) Locktite.
c) larger capscrews.
d) Helicoils or solid thread inserts.

Question 9

Main bearing bores that are misaligned could cause:

Answer 9

a) excessive cylinder wear.
b) excessive bearing wear.
c) a broken crankshaft.
d) both b) and c) responses are correct.