2-33.
Gyrocompass systems are identified
by the mark, (Mk), and modification
(Mod) system. The MK number
designates a
1.
major development of a compass
2.
major modification of a compass
3.
a change to a major development
of a compass
4.
a major modification to a
change of a compass
2-34.
The Mk 19 gyrocompass consists of
four major components: the control
cabinet, the failure annunciator,
the master compass and the
1.
power supply
2.
slave compass
3. indicator
4.
power converter
2-35.
Thirty-six speed indicators are
used instead of single-speed
indicators when least precise
readings are required.
1.
True
2.
False
2-36.
The Mk 23 gyrocompass consists of
what major units?
1.
The master unit and control
cabinet only
2.
The compass failure
annunciator, alarm bell only
3. The alarm control and speed
unit only
4.
All of the above
2-37.
What are the three major components
that make up the Mk 27
gyrocompass?
1. The master unit, control
cabinet, and power converter
2. The master unit, switching
unit, and power converter
3.
The master unit, slave unit,
and control cabinet
4.
The master unit, speed
compensator, and switching unit
2-38.
The AN/WSN-2 stabilized gyrocompass
consists of five major components:
the inertial measuring unit, the
control power supply, the amplifier
synchro signal, the battery set,
and what other unit?
1. The master unit
2.
The slave unit
3.
The speed compensating unit
4.
The control indicating unit
2-39.
2-40.
2-41.
2-42.
2-43.
Generally each radar system will
have its own synchro signal
amplifier.
1.
True
2.
False
Synchro signal converters can
convert 60 Hz to 400 Hz and 400 Hz
to 60 Hz. What other conversions
can it make?
1.
Relative bearing to true
bearing
2.
Synchro speed
3. Synchro frequency
4. All of the above
What number of the AN/WSN-5
inertial navigation sets are
generally installed on board?
1.
Four
2.
Three
3. Two
4.
One
The underwater log system measures
and indicates what attributes?
1.
Speed of the ship in knots and
distance traveled through the
water in statue miles
2.
Speed of the ship in miles per
hour and distance traveled
through the water in knots
3. Speed of the ship in knots and
distance traveled through the
water in nautical miles
4. Speed of the ship in miles per
hour and distance traveled
through the water in miles per
hour
Which of the following equipments
are types of underwater log
systems?
1.
Electro-static and Doppler
2.
Electro-static and phased-array
3.
Electromagnetic and phased-
array
4.
Electromagnetic and Doppler
2-44.
The sea valve, provides support for
the rodmeter, and also provides a
seal to the hull when the rodmeter
is removed. What other function, if
any, does the sea valve provide?
1.
It provides the data for its
transmission to the underwater
log system
2. It monitors the flow of data in
the underwater log system
3.
It provides conversion of input
data to the underwater log
system
4.
None
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