Title: Unit 5 Quiz
Course: HAC 131 Refrigeration & Air Conditioning 1 > Section: HAC 131 Refrigeration & Air Conditioning 1

Q: Please select the correct answer from the choices provided for each question.

A solid material exerts a pressure or force ____.
- in all directions
- downward only
- outward and downward
- outward only
A: downward only

Q: Please select the correct answer from the choices provided for each question.

A liquid material exerts a pressure or force ____.
- in all directions
- downward only
- outward and downward
- outward only
A: outward and downward

Q: Please select the correct answer from the choices provided for each question.

A vapor material exerts a pressure or force ____.
- in all directions
- downward only
- outward and downward
- outward only
A: in all directions

Q: Please select the correct answer from the choices provided for each question.

If the temperature remains constant and the volume that a gas occupies increases, the pressure will ____.
- decrease
- increase
- remain the same
- cannot be determined from the information given
A: decrease

Q: Please select the correct answer from the choices provided for each question.

The volume of gas varies inversely with the absolute pressure, provided the temperature remains constant. This is called ____.
- Charles' Law
- Tom's Law
- Boyle's Law
- Dalton's Law
A: Boyle's Law

Q: Please select the correct answer from the choices provided for each question.

At a constant pressure, the volume of a gas varies as to the absolute temperature and at a constant volume the pressure of the gas varies directly with the absolute temperature. This is known as ____.
- Charles' Law
- Tom's Law
- Boyle's Law
- Dalton's Law
A: Charles' Law

Q: Please select the correct answer from the choices provided for each question.

The total pressure of a confined mixture of gases is the sum of the pressures of each of the gases in the mixture. This is known as ____.
- Charles' Law
- Tom's Law
- Boyle's Law
- Dalton's Law
A: Dalton's Law

Q: Please select the correct answer from the choices provided for each question.

A helicopter is lifting an 800-pound unit at a rate of 200 feet per minute. How many horsepower of work energy is the helicopter using in the process?
- 3.863 hp
- 4.517 hp
- 4.848 hp
- 5.209 hp
A: 4.848 hp

Q: Please select the correct answer from the choices provided for each question.

The unit used to measure electrical power is the ____.
- volt
- ampere
- watt
- ohm
A: watt

Q: Please select the correct answer from the choices provided for each question.

One watt of electrical energy is equal to ____.
- 3.1416 Btu
- 3.413 Btu
- 3.3416 Btu
- 3.3146 Btu
A: 3.413 Btu

Q: Please select the correct answer from the choices provided for each question.

How many watts of electrical power are equal to 1 horsepower?
- 33000
- 15000
- 746
- 660
A: 746

Q: Please select true or false for each statement.

Specific volume is the term used to indicate the space a weight of gas will occupy.
- True
- False
A: True

Q: Please select true or false for each statement.

As heat is applied to a closed container containing a gas, the pressure inside the container will decrease..
- True
- False
A: False

Q: Please select true or false for each statement.

An example of a fossil fuel is hydrogen.
- True
- False
A: False

Q: Please select true or false for each statement.

A law of conservation of energy states that energy is neither created nor destroyed.
- True
- False
A: True

Q: Please select true or false for each statement.

Heat is a form of energy because of the motion of molecules.
- True
- False
A: True