Deck 5: Cleaning the Engine

Question 1

Technician A says hazardous waste laws regulating solvent disposal do not apply to water-based solvents. Technician B says Stoddard solvent is usually recycled. Who is correct?

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

Answer 1

B

Question 2

Name three advantages of a hot spray tank.

Answer 2

Advantages of a hot spray tank are:

Question 3

One of the newer blast cleaning methods uses baking soda.

Answer 3

True

Question 4

Technician A says ultrasonic cleaning is used by some rebuilders for small parts. Technician B says ultrasonic cleaning is a process used by jewelers and dentists. Who is correct?

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

Question 5

A small wire brush on an electric drill is best used for cleaning aluminum surfaces.

Question 6

How would you remove a severe case of scale buildup in an engine you are rebuilding?

Question 7

Briefly explain why pressure washing and steam cleaning have become grease removal methods of the past due?

Question 8

What are the three processes (steps) used with oven cleaning?

Question 9

Heated alkaline materials cut grease very well.

Question 10

Technician A says glass bead blasting is very effective in removing carbon. Technician B says bead or shot may be used to improve the strength of parts. Who is right?

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

Question 11

Technician A says shot blasting is becoming more popular due to environmental concerns about other cleaning methods. Technician B says shot sizes are rated 00 to 110. Who is correct?

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

Question 12

Technician A says to use a coarse sandpaper when cleaning bimetal engines with super-smooth cast iron block surfaces. Technician B says a sharp gasket scraper is recommended for use on machined aluminum. Who is correct?

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

Question 13

The inside of a dirty engine can harbor hazardous waste.

Question 14

Name the three types of chemical cleaners used in engine repair.

Question 15

Technician A says carbon-removal additives are work well when added prior to removing the engine. Technician B says carbon-removal additives should be used only in a well-ventilated area. Who is right?

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

Question 16

Alkaline cleaners will remove rust and scale.

Question 17

Technician A says a hot spray washer is sometimes called a jet washer. Technician B says an advantage of a spray washer is that it cleans oil galleries as well as a hot soak tank. Who is right?

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

Question 18

A special wire wheel called an _____ wire wheel is available for high rpm use.

A)enveloped
B)encased
C)entrenched
D)encapsulated

Question 19

Technician A says to clean an aluminum engine in an alkaline solution for best results. Technician B says for best results, disassemble the heads before hot tanking. Which technician is right?

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

Question 20

Technician A says baking soda is now being used in blast cleaning. Technician B says some ring manufacturers blame glass bead cleaning for ring failure. Who is correct?

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

Question 21

What are two types of materials that thermal cleaning removes that other cleaning methods do not?

Question 22

The best cleaning temperature of a hot-tank solution would be about:

A)100°F (38°C)
B)150°F (66°C)
C)190°F (88°C)
D)250°F (121°C)

Question 23

If the nozzle of a bead blaster is aimed at the window, it frosts the _____.

Question 24

How can a metal be tested to see if it is ferrous or nonferrous?

Question 25

Remove all oil gallery plugs and clean oil galleries with a brush following hot-tank cleaning. True or false?

Question 26

A base is very acidic. True or false?

Question 27

Lubricate all ferrous parts to prevent rust following hot-tank cleaning. True or false?

Question 28

Glass beads are safe to use for cleaning because if they get into the oil they will not cause any damage. True or false?

Question 29

Be sure to _____ machined areas of ferrous metals after hot-tanking.

Question 30

Two technicians are discussing cleaning solvents. Technician A says that it is not necessary to use gloves with petroleum-based solvents. Technician B says that most newer cleaning solvents are chlorinated. Who is right?

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

Question 31

Two types of thermal cleaning ovens are _____ and open flame.

Question 32

Technician A says that steam cleaning and pressure washing are common methods of cleaning internal engine parts. Technician B says that steam cleaning is safe to use with electrical components. Who is right?

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

Question 33

If a hot spray cleaner is run when the cleaning temperature is not high enough, what can happen to the cleaning solution?

Question 34

What is another name for the airless blaster?

Question 35

Two technicians are discussing shot peening. Technician A says that larger shot hits a part with more impact. Technician B says that parts can be made stronger by shot peening. Who is right?

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

Question 36

Technician A says that steel shot blasting is commonly used to clean ferrous parts. Technician B says that steel shot blasting is commonly used to clean aluminum parts. Who is right?

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

Question 37

Technician A says that a bake oven removes rust. Technician B says that a bake oven removes scale. Who is right?

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

Question 38

An overhead cam (OHC) head has oil galleries. This makes it impractical to clean these heads with a glass bead _____.

Question 39

If the temperature of a cleaning liquid is too low, cleaning time will be longer. True or false?

Question 40

What is another name for a bake oven?