3-28.
When using the RO-546 recorder, you must
3-33.
Ceiling balloons provide reasonable
apply the equipment correction factor to
measurements of cloud heights up to what
what reading(s)?
maximum height?
1.
Recorded elevation angles for solid
cloud bases under 45° elevation
2.
Recorded elevation angles for solid
cloud bases over 45° elevation
3.
Recorded elevation angles for fog and
stratus under 25° elevation
4.
All recorded elevation angles
regardless of cloud type or cloud
height
1. 2,000 ft
2. 7,500 ft
3. 12,000 ft
4. 25,000 ft
3-34.
After a 30-gram balloon is inflated, how
much free lift, in grams, should the balloon
have?
3-29.
In which of the following situations should
a new correction factor be determined for
the RO-546 recorder?
1.
75
2.
89
3.
126
4.
139
3-30.
1.
After replacing a projector bulb
2.
After refocusing the projector lights
3.
After cleaning the detector lens
4.
After each of the above
What maintenance responsibilities, if any,
do Aerographers have for the RO-546
recorder?
A. CP-718/UM DENSITY ALTITUDE
COMPUTER
B. CP-165/UM PSYCHROMETRIC COMPUTER
C. CP-264/U TRUE WIND COMPUTER
D. CP-402/UM PRESSURE REDUCTION
COMPUTER
Figure 3-C
1.
Replacing fuses and adjusting the
power supply
2.
Changing the chart paper and
chart-marking stylus
3.
Sending the unit out for calibration
4. None
IN ANSWERING QUESTIONS 3-35 THROUGH
3-38, REFER TO FIGURE 3-C. MATCH EACH
HAND-HELD COMPUTER TO THE
DESCRIPTION GIVEN. RESPONSES ARE USED
ONLY ONCE.
3-31.
What is the maximum range of the ML- 12 1
ceiling light projector?
3-35.
Used to compute dew-point temperature or
relative humidity.
1. 5,000 ft
2. 10,000 ft
3. 12,500 ft
4. 15,000 ft
1. A
2. B
3. C
4.
D
3-32.
What value does a clinometer actually
measure?
3-36.
Used to compute up to six different values
including specific humidity.
1. Cloud elevation angle
2. Baseline distance
3. Cloud height
4. Height above waterline
1. A
2. B
3. C
4.
D
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