Title: Unit 4 Quiz
Course: HET 194 NATE Certification Preparation - Spring 2015 > Section: HET 194 NATE Certification Preparation - Spring 2015

Q: Which of the following represents a different temperature than the other three?
- 15°C
- 59°F
- 475°K
- 519°R
A: 475°K

Q: Of the following choices, the warmest temperature is ____.
- 20°C
- 303°K
- 501°R
- 77°F
A: 303°K

Q: s the temperature of a material increases, the molecules in the material ____.
- travels farther
- travels faster
- slows down
- travels in a more of a parallel direction
A: travels faster

Q: How many Btus are required to change one pound of ice at 20°F to steam at 220°F?
- 1,304 Btu/h
- 2,608 Btu/h
- 6,520 Btu/h
- 3,912 Btu/h
A: 1,304 Btu/h

Q: How many Btus must be removed from one pound of water at 200°F for it to end up as ice at 30°F?
- 144 Btu
- 828 Btu
- 313 Btu
- 526 Btu
A: 313 Btu

Q: The standard atmospheric pressure at sea level is ____.
- 29.60" Hg
- 29.71" Hg
- 29.83" Hg
- 29.92" Hg
A: 29.92" Hg

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

Q: 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: 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: 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