QUESTIONS 5-52 THROUGH 5-55, SELECT FROM
COLUMN B THE HYDRAULIC POWER DRIVE
SYSTEM COMPONENT TO WHICH EACH STATEMENT
IN COLUMN A APPLIES.
A.
STATEMENTS B.
COMPONENTS
5-52.
It can be an
1.
A- end
electric motor
2.
B-end
5-53.
It is a hydraulic
motor mover
3.
Prime
5-54.
It is a hydraulic
pump
5-55.
It can be a gaso-
line enigine
REFER TO FIGURE 12-5 IN YOUR TEXTBOOK IN
ANSWERING QUESTIONS 5-56 THROUGH 5-62.
5-56.
The forward shaft of the prime
mover drives which of the
following components?
1.
The hydraulic pump
2.
The hydraulic motor
3.
The auxiliary pumps
4.
All of the above
5-57.
What type of pump is the A-end
pump of this power drive?
1.
Axial-flow variable-
displacement
2.
Radial-flow variable-
displacement
3.
Axial-flow constant-
displacement
4.
Radial-flow constant-
displacement
5-58.
Which of the following statements
is true concerning the operation
of the A-end?
1.
Its output is variable
because it is driven at a
variable speed
2.
Its output is constant
because it is driven at a
constant speed
3.
Its output is variable even
though it is driven at a
constant speed
4.
Its output is constant even
though it is driven at a
variable speed
IN QUESTIONS 5-59 THROUGH 5-62, SELECT
FROM COLUMN B THE AUXILIARY PUMP THAT
PERFORMS EACH FUNCTION LISTED IN COLUMN
A.
A.
FUNCTIONS
B.
PUMPS
5-59.
Transmits a puls-
1.
Replen-
ing effect to the
ishing
fluid in the res-
ponse pressure
2.
sump
pump
5-60.
Replaces fluid in
and
the active systems
oscil-
of the power drive
lator
5-61.
Supplies high-
3.
Control
pressure fluid to
pres
the various pistons
sure
in the system
5-62.
Pumps leakage to the
expansion tank
5-63.
What function(s) does the
reservoir provide?
1.
A method of cleansing and
storing fluid
2.
A reserve supply of fluid
3.
A cooling surface for the
fluid
4.
Both 2 and 3 above
REFER TO FIGURE 12-6 IN YOUR TEXTBOOK IN
AWSWERING QUESTIONS 5-64 AND 5-65.
5-64.
How is the tilting box
positioned?
1.
Locally by the stroke
control shaft
2.
Automatically by the stroke
control shaft
3.
Mechanically by hand control
4.
By each of the above means
5-65.
The tilting box will not move
under which of the conditions
listed below?
1.
IHP = 385 psi, HPC =
900
psi
2.
IHP = 500 psi, HPC = 1000
psi
3.
IHP = 750 psi, HPC =
750
psi
4.
IHP = 800 psi, HPC = 1000
psi
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