1-42.
1-43.
1-44.
1-45.
1-46.
1-47.
What type of oil filtering system
does NOT filter the oil before it
is sent to the engine?
1.
Bypass
2.
Full flow
3.
Partial flow
4.
Alternate pass
Which of the following is NOT a
common type of base for hydraulic
fluid?
1.
Water
2.
Petroleum
3.
Lithium
4.
Synthetic
Gear oils break down or foam at
high temperatures.
1.
True
2.
False
Grease lube charts state locations
of grease fittings and how often
the fitting should be lubricated.
1.
True
2.
False
What person has the responsibility
for greasing equipment?
1.
Yard boss
2.
Operator
3.
Company clerk
4.
Grease rack custodian
Learning Objective:
Recognize
the principles and components
of engine cooling systems.
The cooling system assists the
engine in warming up to its
normal operating temperature.
1.
True
2.
False
1–48.
1-49.
1-50.
1-51.
1–52.
What material is used extensively
on air–cooled engines to help
dissipate heat?
1.
Titanium
2.
Plastic
3.
Steel
4.
Aluminum
A pump draws coolant from the
bottom of a radiator.
1.
True
2.
False
What total number of degrees
Fahrenheit per pound of coolant
does a radiator pressure cap raise
the boiling point of the coolant?
1.
12 degrees
2.
9 degrees
3.
3 degrees
4.
6 degrees
Which of the following conditions,
if any, causes the vacuum valve to
open on a radiator pressure cap?
1.
The cooling system pressure
raises above the outside
pressure as the engine cools
2.
The cooling system pressure
drops below the outside
pressure as the engine cools
3.
The cooling system pressure
raises above the outside
pressure as the engine warms
4.
None
Which of the following is NOT a
property of water that limits its
usefulness as a coolant?
1.
Boiling point
2.
Freezing point
3.
Natural corrosive action
on metal
4.
Chlorine content in the water
up
5
