2-32.
2-33.
2-34.
2-35.
2-36.
2-37.
1.0 psig is equal to how many inches
of H20?
1. 8.5
2.
9.0
3.
20.0
4.
27.7
1.0 psig is equal to how many inches
of HG?
1.
5 in.
2.
2 in.
3.
3 in.
4.
4 in.
To test the differential pressure
indicating system, you must apply
many inches of H20 to the system?
1.
16 in.
2.
18 in.
3.
20 in.
4.
24 in.
how
Pressure applied to the differential
pressure system can be read on which
of the following component?
1.
Pressure/suction manometer
2.
High-pressure gage
3.
Low-pressure gage
4.
Inclined flowmeter
Leakage in the differential pressure
system will be indicated on which of
the following components?
1.
2.
3.
4.
High-range flowmeter
Low-range flowmeter
Both 1 and 2 above
Pressure/suction manometer
How should you bleed the differential
pressure system?
1.
Back out on the low-pressure
regulator and open the bleed
valve
2.
Back out on the high-pressure
regulator and open the bleed
valve
3.
Turn in on the low-pressure
regulator and open the bleed
valve
4.
Turn in on the high-pressure
regulator and open the bleed
valve
2-38.
Which of the following systems is
2-39.
2-40.
2-41.
2-42.
2-43.
2-44.
considered the heart of the test
stand?
1.
Vacuum system
2.
Differential system
3.
Rotameter system
4.
Nitrogen system
Which of the following valves allows
a direct evacuation of the chamber?
1.
Cutput valve
2.
Vacuum control valve
3.
Bypass valve
Which of the following valves draws a
flow through the item under test?
1.
Output valve
2.
Vacuum valve
3.
Input valve
The vacuum system is checked at which
of the following altitudes?
1.
5,000 feet
2.
10,000 feet
3.
20,000 feet
4.
50,000 feet
Atmosphere, as a unit of pressure, is
equal to what total number of pounds
per square inch?
1. 6.9
2.
12.5
3.
14.69
4.
27.0
At what altitude do you perform the
leakage test of the altitude sensing
system?
1.
10,000 feet
2.
20,000 feet
3.
50,000 feet
4.
150,000 feet
To indicate a leak is present when
testing the chamber bleed system for
leaks, you will receive a drop in
1.
supply pressure
2.
regulated low pressure
3.
regulated high pressure
4.
altitude
9
