Learning Objective:
Recognize
the principles and components
of hydraulic systems.
3-44.
Which of the following is NOT a
component of a hydraulic system?
1.
A reservoir
2.
A pump
3.
Control valves
4.
A thermostat
3-45.
Which of the following components
is the fluid storehouse for the
hydraulic system?
1.
Hydraulic cylinder
2.
Accumulator
3.
Reservoir
4.
Fluid box
3-46.
The baffle plate in the hydraulic
fluid reservoir does NOT allow
which of the following conditions
to occur?
1.
The dissipation of air bubbles
2.
The settling of contaminants
3.
The cooling of the return fluid
4.
An excessive formation of air
bubbles
3–47.
Which of the following components
creates the flow of fluid within
the hydraulic system?
1.
The hydraulic cylinder
2.
The control valve
3.
The hydraulic pump
4.
The strainer
3–48.
Hydraulic controls should be
operated smoothly to eliminate
any jerking motion that causes
rapid wear of mechanical parts?
1.
True
2.
False
3-49.
The force created by a hydraulic
cylinder is determined by the
pressure of the fluid and what
other system?
1.
The size of the hydraulic hoses
2.
The speed of the engine
3.
The area of the piston
contacted by the fluid
4.
The skillful use of control
valves
3–50.
What type of hydraulic cylinder
exerts force in only one direction?
1.
Single-acting
2.
Double-acting
3.
Triple-acting
4.
None of the above
3–51.
Foreign material exposed on
hydraulic rams can damage seals
and wiper seals.
1.
True
2.
False
3-52.
When performing pre- and post-
operational inspections, you should
inspect hydraulic hoses for which
of the following conditions?
1.
Cracking only
2.
Rubbing and cracking only
3.
Twisting and rubbing only
4.
Twisting, rubbing, and cracking
3-53.
Which of the following components
performs the work of two shutoff
valves and a tube coupler?
1.
Pressure relief line
2.
Relief valve
3.
Quick-disconnect coupler
4.
Oil strainer
3-54.
What component installed in a
hydraulic system is used to absorb
shock?
1.
Shock absorber
2.
Accumulator
3.
Piston seal
4.
Control valve
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