Deck 7: Lubrication and Cooling Systems

Question 1

How much oil would you add to 20 liters of fuel for a 40:1 ratio?

A)250 milliliters
B)500 milliliters
C)1000 milliliters
D)100 milliliters

Answer 1

B

Question 2

The W in 10W40 stands for winter.

Answer 2

True

Question 3

_____ bearings use cylindrical shaped rollers.

A)Tapered
B)Ball
C)Needle
D)Roller

Answer 3

D

Question 4

The _____oil pump is most commonly used.

A)plunger
B)trochoid
C)gear
D)centrifugal

Question 5

____ bearings are the most popular because they provide the greatest amount of friction reduction and can handle axial and radial loads.

A)Tapered
B)Ball
C)Needle
D)Roller

Question 6

Describe the differences between an open draft cooling system and a forced draft system.

Question 7

The highest classification of oil is SL.

Question 8

What is a twin sump lubrication system and what are the advantages of this design?

Question 9

____ ounces of oil are required to produce five gallons of premix at a 40:1 ratio.

A)8
B)10
C)14
D)16

Question 10

What is the purpose of the oil relief valve and when does it operate?

Question 11

What is a thermostat and how is it used on a motorcycle cooling system?

Question 12

Synthetic oils can cause the clutch to slip.

Question 13

Friction is the resistance to motion created when two surfaces move against each other.

Question 14

As engine oil is moving around and through the engine it is also cleaning the engine's parts.

Question 15

What is the purpose of the oil filter bypass valve and when does it operate?

Question 16

A(n)____ is the lowest portion of the crankcase cavity on a four-stroke engine.

A)engine sump
B)oil tank
C)engine well
D)cleft