5-62.
5-63.
5-64.
5-65.
5-66.
What category of sonobuoy only has
the listening feature?
1. Active
2. Passive
3. Special purpose
4. Multiple purpose
What system is an improved passive
acoustic sensing system?
1. DIFAR
2. LOFAR
3. CASS
4. DICASS
What are characteristics of the
sonar pulse output from the
self-timed active sonobuoy?
1. Fixed pulse length and fixed
pulse interval
2. Fixed pulse length and variable
pulse interval
3. Variable pulse length and fixed
pulse interval
4. Variable pulse length and
variable pulse interval
The command activated sonobuoy will
ping in response to command signals
from what source?
1. The random generator in the
CASS sonobuoy
2. The automatic generator in the
CASS sonobuoy
3. The controlling aircraft
4. The underwater target
What is the BT temperature probe
descent rate?
1.
15 feet per second
2.
10 feet per second
3.
5 feet per second
4.
4 feet per second
IN ANSWERING QUESTIONS 5-67 THROUGH 5-72,
SELECT FROM COLUMN B THE TYPE OF SONOBUOY
ASSOCIATED WITH EACH OF THE FUNCTIONS
LISTED IN COLUMN A.
SOME ITEMS IN COLUMN
B WILL BE USED MORE THAN ONCE.
5-67.
5-68.
5-69.
5-70.
5-71.
5-72.
A. FUNCTIONS
B.
TYPES OF
SONOBUOY
Used for submarine 1. SAR
detection and
localization
2. BT
Measures water
3.
ATAC/DLC
temperature
4.
CASS
Provides data for
determining water depth
Used as a floating RF
beacon for rescue purposes
Provides one-way voice
communication
Provides aircraft/submarine
two-way communication
5-73.
How many separate sonobuoy channels
can be received simultaneously on
the AN/ARR-75 radio receiving set?
1.
8
2.
16
3.
31
4.
99
5-74.
What component of the SASP system
is a high-speed signal processor
used to extract acoustic target
information from active and passive
sonobuoy data?
1.
PP-7467
2.
C-11104
3.
TS-4008
4.
SP-2143
5-75.
What component of the SASP system
controls the power to the CASS
transmitter?
1.
PP-7467
2.
C-11104
3.
TS-4008
4.
SP-2143
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