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PHYS 101 Quiz 5 / with verified Answers / Updated 2024
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PHYS 101-D16 LUO_ Quiz 5.Course 202120 Spring 2021 PHYS 101-D16 LUO
Test Quiz 5
• Question 1
2 out of 2 points
The specific heat capacity of water is about twice the specific heat
capacity of ice. From this information, the amount of heat required to boil 1
kg of water is the amount of heat required to melt 1 kg of ice.
Selected a.
Answer: unrelated
to
• Question 2
2 out of 2 points
“Firewalkers” step on the hot ashes and coals from a wood fire without
getting their feet burned. How might this be possible?
Selected b.
Answer: The ashes are poor conductors
of heat.
• Question 3
2 out of 2 points
A key is placed in a hot oven and warmed to 100°C. As a result
Selected c.
Answer: the key becomes
longer.
• Question 4
2 out of 2 points
A device that makes use of a bimetallic strip is
Selected d.
Answer: all of the
above.
• Question 5
2 out of 2 points
An example of a heat mover is
, Selected d.
Answer: all of the
above.
• Question 6
2 out of 2 points
The Eiffel tower in Paris is made primarily of iron, whose coefficient of linear expansion is
about 10 × 10−6/°C. On a cold day when the temperature is –10°C the Eiffel tower is 300
meters tall. Its height on a hot day when the temperature is 40°C is
Selected a.
Answer: 300.15
m.
• Question 7
2 out of 2 points
A bimetallic strip is usable as a thermometer because of
Selected d.
Answer: thermal
expansion.
• Question 8
2 out of 2 points
The temperature of a gas can be increased by
Selected d.
Answer: all of the
above.
• Question 9
2 out of 2 points
Natural processes tend to increase the of thermodynamic
systems.
Selected a.
Answer: entrop
y
• Question 10
2 out of 2 points
Air at a temperature of 32° F has a relative humidity of 60%. If the
temperature of the same air rises to 40° F, the relative humidity
Selected b.
Answer: decreas
es.
• Question 11
2 out of 2 points
specific heat capacity of ice = 2,000 J/kg-°C
latent heat of fusion of water = 334,000 J/kg
specific heat capacity of water = 4,000 J/kg-°C
A 1 kg block of ice is removed from a freezer where its temperature was –
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