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Study Guide Quiz
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1

Bimetallic strips composed of two different metals each having a different rate of thermal expansion are used in
A)pressure cookers
B)thermostats
C)heat engines
D)pressure gauges
2

A temperature of 100°C is equal to what temperature on the fahrenheit scale?
A)0°
B)-273°
C)212°
D)32°
3

A block of wood measuring 10 cm x 10 cm x 1 cm is dropped into a container of water and floats on the water's surface. A second block of wood having the same dimensions is dropped into the container and sinks. From these observations you know that
A)the weight of the first block is less than the weight of the second block
B)the weight of the first block is greater than the weight of the second block
C)the weight of the first block is greater than the buoyant force acting upon it
D)the weight of the second block is less than the buoyant force acting upon it

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0072509791/169247/image014.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (7.0K)</a>

Refer to the above drawing to answer Question 4.



4

A force of 152 N is applied to an area of 0.0095 m2. What is the resulting pressure?
A)1.44 Pa
B)152.095 Pa
C)6.25 × 10-5 Pa
D)1.6 ×105 Pa

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0072509791/169247/image016.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (13.0K)</a>

Refer to the above drawing to answer questions 5 and 6. In this drawing, a gas is being compressed within a cylinder. Here P1V1 = P2V2 = P3V3 = 105 N · m.



5

As the pressure is increased from 200 kPa to 1000 kPa, V3 becomes
A)0.25 m3
B)0.1 m3
C)0.8 m3
D)0.008 m3
6

The drawing illustrates
A)Charles’s law
B)Boyle’s law
C)the ideal gas law
D)Archimedes’ principle
7

According to Charles’s law, as the absolute temperature of a gas increases from +273 K to +546 K at constant pressure, the volume of the gas
A)remains constant
B)decreases by one-half
C)quadruples
D)doubles
8

According to the ideal gas law, if both the volume and the absolute temperature of a gas are doubled, the pressure
A)remains unchanged
B)doubles
C)is reduced by one-half
D)is quadrupled
9

A balloon has a volume of 5 L at 101 kPa atmospheric pressure. If the balloon is placed in a chamber where the pressure is reduced by one-half and the temperature is held constant, the volume of the balloon will
A)be reduced to 2.5 L
B)be increased to 10 L
C)be increased to 25 L
D)remain unchanged
10

The type of heat transfer called radiation
A)takes place as heat energy is carried from one place to another by molecular collisions
B)does not require the presence of matter
C)involves the motion of a volume of hot fluid
D)occurs when a solid changes into its vapor state without first becoming a liquid
11

Absolute zero, or 0 K, is the lowest possible temperature because
A)no scientific instrument has yet been designed that can measure temperatures lower than 0 K
B)this is the lowest temperature ever recorded on earth or anywhere else in the universe
C)entropy is at a maximum at this temperature
D)there can be no smaller amount of molecular kinetic energy than that at 0 K
12

It is impossible to lower the temperature of a gas to absolute zero (assuming that such a low temperature can be reached) because
A)all known gases turn into liquids before absolute zero is reached
B)gases cannot be cooled below +273 K
C)the gas would acquire infinite mass at absolute zero
D)the pressure of the gas would rise to infinity at absolute zero
13

The "heat death" of the universe means that
A)the universe will eventually become so hot that living organisms will not be able to survive
B)the universe will be slowly destroyed as unstable atomic nuclei decay and release heat energy
C)all forms of usable energy will ultimately become transformed into unusable heat energy
D)the heat of friction caused by the gravitational collapse of the universe will convert all matter into heat energy
14

A candy bar contains 220 dietary calories. What is the energy content of the candy bar in kilocalories?
A)220 kcal
B)220,000 kcal
C)0.220 kcal
D)924 kcal
15

Which of the following is a heat engine operating in reverse?
A)gasoline engine of an automobile
B)jet airplane engine
C)home air conditioner
D)steam engine of a locomotive
16

A refrigerator ice maker converts water into ice cubes. During this process the entropy of the water
A)increases
B)decreases
C)remains unchanged
D)is destroyed
17

A rock with a volume of 6.0 cm3 has a mass of 30.0 g. The density of the rock is
A)0.2 g/cm3
B)5.0 g/cm3
C)18.0 g/cm3
D)24.0 g/cm3

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Refer to the above drawing to answer questions 18 through 20.



18

During which stroke is the volume of the fuel-air mixture reduced to 1/7 or 1/8 of its original volume?
A)intake stroke
B)compression stroke
C)power stroke
D)exhaust stroke
19

Immediately at the end of the compression stroke
A)spent gases are vented out through the exhaust valve
B)a mixture of air and gasoline vapor is drawn into the cylinder
C)the piston is at its lowest point within the cylinder
D)the spark plug is fired to ignite the fuel-air mixture
20

Heat energy is converted into work during the
A)intake stroke
B)compression stroke
C)power stroke
D)exhaust stroke





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