Question 1

Match each item with the correct statement below.
-at temperatures below their boiling point,liquids gradually go into the gas phase through a process called

Accepted Answer

A)  bimetallic strip
B)  Carnot efficiency
C)  conduction
D)  convection
E)  entropyF) evaporationG) heatH) heat engineI) heat moverJ) humidityK) internal energyL) radiationM) saturation densityN) temperature

Question 2

A key is placed in a hot oven and warmed to 100°C.As a result

Accepted Answer

A)  the hole in the key becomes smaller.
B)  the key is bent into an arc.
C)  the key becomes longer.
D)  all of the above.

Question 3

A steam turbine is an example of a heat mover.

Accepted Answer

A) True 
 B)False

Question 4

The coefficient of linear expansion of ordinary glass is three times that of Pyrex glass.An ordinary glass rod and a Pyrex glass rod of equal lengths at room temperature are dropped into boiling water.The change in length of the ordinary glass rod will be ___________ the change in length of the Pyrex glass rod.

Accepted Answer

A)  1/9
B)  1/3
C)  equal to
D)  3 times
E)  9 times

Question 5

In a steam engine,steam at 140°C in a turbine does work on an external system,and the steam leaves the turbine at 100°C.The efficiency of the steam engine is 5%.The relevant physical principle is

Accepted Answer

A)  the first law of thermodynamics.
B)  the second law of thermodynamics.
C)  specific heat capacity.
D)  operation of a heat pump.
E)  none of the above.

Question 6

​Match each item with the correct statement below.
-the maximum possible humidity

Accepted Answer

A)  ​bimetallic strip
B)  ​Carnot efficiency
C)  ​conduction
D)  ​convection
E)  ​entropyF) ​evaporationG) ​heatH) ​heat engineI) ​heat moverJ) humidityK) ​internal energyL) radiationM) ​saturation densityN) temperatureO) ​dew point

Question 7

A bimetallic strip is usable in a thermometer because of its heat capacity.

Accepted Answer

A) True 
 B)False

Question 8

​Match each item with the correct statement below.
-this is how we receive heat from the Sun

Accepted Answer

A)  ​bimetallic strip
B)  ​Carnot efficiency
C)  ​conduction
D)  ​convection
E)  ​entropyF) ​evaporationG) ​heatH) ​heat engineI) ​heat moverJ) humidityK) ​internal energyL) radiationM) ​saturation densityN) temperatureO) ​dew point

Question 9

​Match each item with the correct statement below.
-main mechanism of heat transfer in a solid

Accepted Answer

A)  ​bimetallic strip
B)  ​Carnot efficiency
C)  ​conduction
D)  ​convection
E)  ​entropyF) ​evaporationG) ​heatH) ​heat engineI) ​heat moverJ) humidityK) ​internal energyL) radiationM) ​saturation densityN) temperatureO) ​dew point

Question 10

What is the maximum efficiency of a heat engine operating between 293 Kelvins and 273 Kelvins,the temperatures at the surface and several hundred meters below the surface,respectively,of the ocean?

Accepted Answer

The answer of What is the maximum efficiency of a...

Question 11

The warmth you feel from the Sun at the beach is an example of

Accepted Answer

A)  heat conduction.
B)  heat convection.
C)  heat radiation.
D)  thermal expansion.
E)  none of the above.

Question 12

Which are bigger-Celsius degrees or Fahrenheit degrees?

Accepted Answer

A)  Fahrenheit
B)  Celsius
C)  Neither-they are the same size.
D)  This is a nonsensical comparison.

Question 13

As the air cools at night the relative humidity usually __________.

Accepted Answer

The answer of As the air cools at night the...

Question 14

The air inside a bicycle tire pump has 60 joules of work done on it as 20 joules of heat is conducted away from it.What is the change in internal energy of the air?

Accepted Answer

The answer of The air inside a bicycle tire pump...

Question 15

Match each item with the correct statement below.
-main mechanism of heat transfer in a solid

Accepted Answer

A)  bimetallic strip
B)  Carnot efficiency
C)  conduction
D)  convection
E)  entropyF) evaporationG) heatH) heat engineI) heat moverJ) humidityK) internal energyL) radiationM) saturation densityN) temperature

Question 16

Two ways that the internal energy of a substance can be increased are __________ and __________.

Accepted Answer

doing work...

Question 17

Match each item with the correct statement below.
-depends on the average kinetic energy of atoms and molecules in a substance

Accepted Answer

A)  bimetallic strip
B)  Carnot efficiency
C)  conduction
D)  convection
E)  entropyF) evaporationG) heatH) heat engineI) heat moverJ) humidityK) internal energyL) radiationM) saturation densityN) temperature

Question 18

On the Kelvin scale the temperature is proportional to the average kinetic energy of the atoms or molecules whose temperature is being measured.

Accepted Answer

A) True 
 B)False

Question 19

At 96°F the saturation density of air is 0.04 kg/m3.If the weather report says the relative humidity is 90% when the temperature is 96°F,the humidity is __________.

Accepted Answer

Question 20

Temperature is a measure of heat.

Accepted Answer

A) True 
 B)False

Exam 5: Temperature and Heat

Correct Answer
verified

As the air cools at night the relative humidity usually __________.

Correct Answer
verified

Match each item with the correct statement below. -the maximum possible humidity

Correct Answer
verified

The air inside a bicycle tire pump has 60 joules of work done on it as 20 joules of heat is conducted away from it.What is the change in internal energy of the air?

Correct Answer
verified

A key is placed in a hot oven and warmed to 100°C.As a result

Correct Answer
verified

A bimetallic strip is usable in a thermometer because of its heat capacity.

Correct Answer
verified

Match each item with the correct statement below. -this is how we receive heat from the Sun

Correct Answer
verified

Match each item with the correct statement below. -main mechanism of heat transfer in a solid

Correct Answer
verified

A steam turbine is an example of a heat mover.

Correct Answer
verified

Two ways that the internal energy of a substance can be increased are and .

Correct Answer
verified
doing work...
View Answer

The warmth you feel from the Sun at the beach is an example of

Correct Answer
verified

Temperature is a measure of heat.

Correct Answer
verified

Which are bigger-Celsius degrees or Fahrenheit degrees?

Correct Answer
verified

Match each item with the correct statement below. -at temperatures below their boiling point,liquids gradually go into the gas phase through a process called

Correct Answer
verified

What is the maximum efficiency of a heat engine operating between 293 Kelvins and 273 Kelvins,the temperatures at the surface and several hundred meters below the surface,respectively,of the ocean?

Correct Answer
verified

At 96°F the saturation density of air is 0.04 kg/m³.If the weather report says the relative humidity is 90% when the temperature is 96°F,the humidity is __________.

Correct Answer
verified

On the Kelvin scale the temperature is proportional to the average kinetic energy of the atoms or molecules whose temperature is being measured.

Correct Answer
verified

Match each item with the correct statement below. -depends on the average kinetic energy of atoms and molecules in a substance

Correct Answer
verified

In a steam engine,steam at 140°C in a turbine does work on an external system,and the steam leaves the turbine at 100°C.The efficiency of the steam engine is 5%.The relevant physical principle is

Correct Answer
verified

Match each item with the correct statement below. -main mechanism of heat transfer in a solid

Correct Answer
verified

Exam 5: Temperature and Heat

Correct AnswerverifiedShow Answer

As the air cools at night the relative humidity usually __________.

Correct AnswerverifiedShow Answer

​Match each item with the correct statement below. -the maximum possible humidity

Correct AnswerverifiedShow Answer

The air inside a bicycle tire pump has 60 joules of work done on it as 20 joules of heat is conducted away from it.What is the change in internal energy of the air?

Correct AnswerverifiedShow Answer

A key is placed in a hot oven and warmed to 100°C.As a result

Correct AnswerverifiedShow Answer

A bimetallic strip is usable in a thermometer because of its heat capacity.

Correct AnswerverifiedShow Answer

​Match each item with the correct statement below. -this is how we receive heat from the Sun

Correct AnswerverifiedShow Answer

​Match each item with the correct statement below. -main mechanism of heat transfer in a solid

Correct AnswerverifiedShow Answer

A steam turbine is an example of a heat mover.

Correct AnswerverifiedShow Answer

Two ways that the internal energy of a substance can be increased are __________ and __________.

Correct Answerverifieddoing work...View AnswerShow Answer

The warmth you feel from the Sun at the beach is an example of

Correct AnswerverifiedShow Answer

Temperature is a measure of heat.

Correct AnswerverifiedShow Answer

Which are bigger-Celsius degrees or Fahrenheit degrees?

Correct AnswerverifiedShow Answer

Match each item with the correct statement below. -at temperatures below their boiling point,liquids gradually go into the gas phase through a process called

Correct AnswerverifiedShow Answer

What is the maximum efficiency of a heat engine operating between 293 Kelvins and 273 Kelvins,the temperatures at the surface and several hundred meters below the surface,respectively,of the ocean?

Correct AnswerverifiedShow Answer

At 96°F the saturation density of air is 0.04 kg/m3.If the weather report says the relative humidity is 90% when the temperature is 96°F,the humidity is __________.

Correct AnswerverifiedShow Answer

On the Kelvin scale the temperature is proportional to the average kinetic energy of the atoms or molecules whose temperature is being measured.

Correct AnswerverifiedShow Answer

Match each item with the correct statement below. -depends on the average kinetic energy of atoms and molecules in a substance

Correct AnswerverifiedShow Answer

In a steam engine,steam at 140°C in a turbine does work on an external system,and the steam leaves the turbine at 100°C.The efficiency of the steam engine is 5%.The relevant physical principle is

Correct AnswerverifiedShow Answer

Match each item with the correct statement below. -main mechanism of heat transfer in a solid

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Match each item with the correct statement below. -the maximum possible humidity

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Match each item with the correct statement below. -this is how we receive heat from the Sun

Correct Answer
verified

Match each item with the correct statement below. -main mechanism of heat transfer in a solid

Correct Answer
verified

Correct Answer
verified

Two ways that the internal energy of a substance can be increased are and .

Correct Answer
verified
doing work...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

At 96°F the saturation density of air is 0.04 kg/m³.If the weather report says the relative humidity is 90% when the temperature is 96°F,the humidity is __________.

Correct Answer
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Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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