5-11.
What Is the Celsius scale
equivalent of 263°K?
1.
90°C
2.
3.
O°c
4.
-10°C
10°C
5-12.
What is the Fahrenheit scale
equivalent of 263°K?
1.
-l8°F
2.
-14°F
3.
14°F
4.
18°F
Learning Objective:
Recognize
the pressure characteristics of
gases and liquids, including how
pressure is caused by the weight
of the atmosphere, and identify
how pressures are measured.
5-13.
Gases exert equal pressure on all
surface areas of their
containers.
1.
True
2.
False
5-14.
When a reading is taken of the
pressure in an automobile tire,
what does the gauge reading
represent?
1.
Local atmospheric pressure
plus the absolute pressure
2.
Absolute pressure minus the
local atmospheric pressure
3.
Local atmospheric pressure
minus the absolute pressure
4.
Absolute pressure
5-15.
What is the absolute pressure
(psia) in a cylinder that has a
gauge reading of 1990 psig?
1.
1843
2.
1975.3
3.
2004.7
4.
2137
5-16.
What is the gauge pressure (psig)
of a container that has an
internal pressure of 113 psia?
1.
98.3
2.
99.7
3.
125.3
4.
127.7
5-17
Whenever you apply the gas laws,
you must use absolute pressure.
1.
True
2.
False
5-18
5-19.
5-20.
5-21.
Learning Objective:
Identify
various theories, laws, and
properties of gases, correlate
these with applicable formulas,
and solve related problems.
When you observe that the
pressure of gas in a sealed
container has increased, you can
assume that
1.
heat has been absorbed by the
gas
2.
heat has been removed from
the gas
3.
the kinetic energy of the gas
has decreased
4.
molecules of the gas gained
energy from each other while
colliding
Four cubic feet of nitrogen are
under a pressure of 50 psig. If
the nitrogen is compressed to 2
cubic feet, what is the new gauge
pressure?
1.
104
psig
2.
114.7 psig
3.
124
psig
4.
134
psig
A cylinder of gas at 75°F has a
pressure of 900 psig,
To what
maximum temperature may it be
heated without exceeding 1000
psig?
1.
211.9°F
2.
174.9°F
3.
158.4°F
4.
133.4°F
The general gas equation used in
the study of gases is a
combination of the gas laws of
1.
Charles and Boyle
2.
Charles and Kelvin
3.
Boyle and Fahrenheit
4.
Boyle,
Charles,
and Kelvin
33