FOR. QUESTIONS 5-42 THROUGH 5-45, SELECT
FROM COLUMN B THE DIAGRAM THAT IS
DEFINED IN COLUMN A.
A.
DEFINITIONS
B.
DIAGRAMS
5-42.
Shows the intern- 1.
Combina-
al parts of the
tion
components
2.
Pictorial
5-43.
Shows the general
location of
3.
Graphic
components
4.
Cutaway
5-44.
Uses symbols,
shows actual
appearance, and
shows internal
working part
5-45.
Uses symbols to
show components
5-46.
Which of the following diagrams
includes the interconnecting
system piping?
1.
Combination
2.
Pictorial
3.
Graphic
4.
Each of the above
5-47.
Which, if any, of the following
diagrams contains pipe sizes and
data on the sequence of system
operation?
1.
Combination
2.
Pictorial
3.
Graphic
4.
None of the above
5-48.
A schematic diagram of a
hydraulic system enables a
mechanic to accomplish which of
the following tasks?
1.
Understand the operation of
the system
2.
Identify components of the
system
3.
Trace the flow of fluid
through the system
4.
All of the above
5-49.
Which of the following
statements about an oper-center
hydraulic system is false?
1.
The directional control
valves are connected in
parallel
2.
There is no pressure in the
system when the actuators
are idle
3.
The system may have any
number of subsystems with a
directional control valves,
for each
4.
The pump circulates fluid
from the reservoir, through
the directional control
valves, and back to the
reservoir
5-50.
Why are closed-center hydraulic
systems the most widely used
systems.?
1.
They provide smooth
operation of their actuators
2.
They eliminate continuous
system pressurization
3.
They operate very rapidly
4.
They do all of the above
Learning Objective:
Recognize
Navy applications, component
functions. construction
features, and operating
characteristics of hydraulic
power drive systems.
5-51.
Hydraulic power drives are used
in the Navy to perform which of
the following functions?
1.
Drive and control winches,
capstans ,
and windlasses
2.
Train and elevate nearly all
calibers of guns
3.
Position rocket and missile
launchers
4.
All of the above
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