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Multiple Choice Quiz
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The two temperature scales with the same interval step size are the
A)Celsius and Fahrenheit.
B)Fahrenheit and Kelvin.
C)Kelvin and Celsius.
D)This does not exist.

Substance A has a higher specific heat than substance B. With all other factors equal, which requires the most energy to heat equal masses of A and B to the same temperature?
A)Substance A
B)Substance B
C)Both require the same amount of heat.
D)Answer depends on the density of each substance.

With all other factors equal, the most likely to burn your mouth when taken directly from an oven is a food with
A)higher specific heat.
B)lower specific heat.
C)specific heat is not important in this situation.
D)more information needed.

A large and a small container of water with the same temperature have
A)the same total amounts of internal energy.
B)the same amounts of internal and external energy.
C)different amounts of heat.
D)the same amounts of all forms of energy.

Anytime a temperature difference occurs, you can expect
A)cold to move to where it is warmer.
B)energy movement from higher temperature regions.
C)no energy movement unless it is warm enough, at least above the freezing temperature.
D)energy movement flowing slowly from cold to warmer regions.

As you go to higher elevations above sea level the boiling point of water
C)stays the same.
D)changes with the initial temperature of the water.

Increasing the rate of heating under a pot of boiling water will
A)increase the temperature of the boiling water.
B)increase the rate of boiling, but not the temperature.
C)increase both the rate of boiling and the temperature of the boiling water.
D)all of the above.

As a solid goes through a phase change to a liquid, heat is absorbed and the temperature
C)remains the same.

The transfer of energy from molecule to molecule is called

No water vapor is added to or removed from a sample of air that is cooling, so the relative humidity of this sample of air will
A)remain the same.
B)be lower.
C)be higher.
D)depend on the temperature.

Concerning the Celsius and Fahrenheit thermometer scales,
A)the Fahrenheit is more accurate since it has more degrees than the Celsius scale.
B)there is nothing special about either scale.
C)the Celsius is more precise since it has the same degree interval size as the Kelvin scale.
D)the Celsius is less precise since degrees below freezing are negative values.

Numbers on both the Fahrenheit and Celsius scales would have no meaning without
A)conversion equations.
B)Kelvin temperature scale.
C)two fixed points to which they are compared.
D)none of the above.

Suppose the volume of gasoline in your gas tank expands with warming temperatures. Do you now have more gasoline?
A)No, you still have the same mass of gasoline.
B)Yes, the volume increased and so has the mass.
C)No, the mass decreased as the volume increased to maintain the density.
D)Yes, the density and the volume increased.

Which of the following quantities is one that cannot be used to measure an amount of heat?
D)Any of these can be used to measure heat.

Compared to cooler air, warm air can
A)hold more water vapor.
B)less water vapor.
C)be the same amount of water vapor.
D)depend on the exact temperature at the time.

A heat pump is able to produce cooler temperatures because the refrigerant is
A)a cool liquid that is pumped through the system.
B)evaporated in the cool part by reduction of pressure.
C)condensed in the cool part by the action of the compressor.
D)a working fluid that produces thermal energy from electrical.

The average human body temperature is 98.6° F. What is the equivalent temperature on the Celsius scale?
A)22.8° Celsius
B)37° Celsius
C)51.2° Celsius
D)209.48° Celsius

A science article refers to a temperature of 300.0 K. What is the equivalent Fahrenheit temperature?
A)17° F
B)80.6° F
C)549° F
D)572° F

The reason a ship floats is because
A)all hollow objects can float.
B)the buoyant force is greater then the weight of the ship.
C)its lack of natural buoyancy is compensated for by the drive of the engines.
D)the buoyant force is not great enough to drag it under the water.

The second law of thermodynamics,
A)is unrelated to the concept of entropy.
B)implies that there is no upper limit ideally to the efficiency of a heat engine and theoretically all the heat from a source could be transformed into mechanical energy.
C)is not obeyed by biological systems, only physical systems.
D)means that the entropy of an isolated system cannot decrease.

Which of the following substances would you expect to have the highest density at room temperature and atmospheric pressure?

The concept of the arrow of time
A)is a meaningless concept when it comes to pure physics.
B)is totally unrelated to the notion of entropy.
C)is another way of saying that all systems are totally reversible.
D)suggests that in some cases events can only go in one direction and not all many-particle systems are reversible.

A 500-kg block has the dimensions 1 m × 2 m × 3 m. Its density is
A)12.4 kg/m3.
B)83.33 kg/m3.
C)56.6 kg/m3.
D)343.8 kg/m3.

A block that is 2 m × 2 m × 2m that weighs 600 kg will exert how much pressure on a horizontal surface?
A)1.47 kPa
D)2.9 Pa

A heat engine absorbs heat at a temperature of 116°C and exhausts heat at a temperature of 85°C. Its maximum efficiency is
A)3 percent.
B)8 percent.
C)16 percent.
D)42 percent.

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