1-48.
What is the purpose of the auxiliary signal
output cable on the AN/BQH-7?
1.
Connection to the hand-held LM3A
launcher
2.
Connection to the XSV-01 probe
3.
Link-up to GPS
4.
Link-up to NTDS
1-49.
When the AN/BQH-7 system uses a T-4
probe and a sound velocity trace is
recorded, sound velocity calculations are
based on measured water temperature and
what other value?
1.
Actual measured salinity values
2.
A standard salinity of 0‰
3.
A standard salinity of 35‰
4.
A standard salinity of 37‰
1-50.
When should XSV-01 probes be used with
the AN/BQH-7 system?
1.
During training evolutions only
2.
During actual warfare operations only
3.
Whenever operating in a region where
the water salinity does not average
35‰, or varies with depth
4.
At all times; the XSV-01 is designed
for use with the BQH-7
1-51.
If the stylus on the RO-326/SSQ-56
recorder chart makes erratic excursions to
the right of the chart paper, what is the
probable cause?
Figure 1-D
IN ANSWERING QUESTION 1-52, REFER TO
FIGURE 1-D.
1-52.
What is the type of gradient between points
A and B?
1.
Negative
2.
Positive
3.
Isothermal
4.
Isovelocity
1.
Complete wire breakdown of probe
2.
Leak from probe wire to salt water
3.
Electromagnetic interference
4.
Blown fuse on recorder
7
