ACR101 Unit 2 Matter & Energy (CRF) - Mr. Graham

A solid material exerts a pressure or force ____.

• in all directions

• downward only

• outward and downward

• outward only

A liquid material exerts a pressure or force ____.

• in all directions

• downward only

• outward and downward

• outward only

A vapor material exerts a pressure or force ____.

• in all directions

• downward only

• outward and downward

• outward only

If the temperature remains constant and the volume that a gas occupies increases, the pressure will ____.

• decreases

• increase

• remain the same

• cannot be determined from the information given

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

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

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 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

The unit used to measure electrical power is the ____.

• volt

• ampere

• watt

• ohm

One watt of electrical energy is equal to ____.

• 3.1416 Btu/h

• 3.413 Btu/h

• 3.3416 Btu/h

• 3.3146 Btu/h