Chapter 9 Review Test Quizlet Torque Is the Hvac

one.	Two locations where a common cold air return should exist installed:
		a. Open area of wall and depression to the ground.
		b. Behind appliances and high on the wall.
		c. Open area of wall and loftier on the wall.
		d. Backside appliances and low to the ground.
Incorrect respond. Please choose some other answer.

2.	Which of the following is a law of thermodynamics:
		a. Heat is a grade of matter.
		b. Estrus moves toward a place with higher intensity.
		c. Heat moves toward a place with lower intensity.
		d. Heat moves toward a place with a higher temperature.
Incorrect answer. Please choose another answer.

3.	Sensible estrus describes _________________________.
		a. How fast heat will travel.
		b. The quantity of estrus.
		c. The volume of estrus.
		d. How hot something feels.
Incorrect answer. Delight cull another answer.

four.	Latent heat measures _______________________.
		a. The temperature of heat in a substance.
		b. The quantity of heat in a substance.
		c. The velocity of oestrus in a substance.
		d. The oestrus potential of a substance.
Incorrect answer. Please choose another respond.

5.	Latent heat is measured in ____________________.
		a. Degrees Celsius, F ahrenheit and Kelvin
		b. International System of Units
		c. British Thermal Units
		d. Board of Merchandise Unit
Wrong respond. Please choose some other answer.

half-dozen.	If i pound of water warms to 60 degrees F from 55 degrees F, what btu of latent estrus will information technology take absorbed?
		a. 2.5
		b. 5
		c. 10
		d. 15
Incorrect answer. Please choose another answer.

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7.	What is the amount of estrus energy required to evaporate 1 pound of water?
		a. 370 btu
		b. 570 btu
		c. 770 btu
		d. 970 btu
Wrong answer. Please choose another reply.

eight.	In an air conditioning and refrigeration system, what occurs in an evaporator?
		a. The refrigerant absorbs the latent heat.
		b. The refrigerant evaporates latent oestrus.
		c. Latent rut is condensed.
		d. Latent estrus is released.
Incorrect answer. Please choose another reply.

ix.	In an air conditioning and refrigeration system, what occurs in a condenser?
		a. The refrigerant absorbs the latent heat.
		b. The refrigerant releases the latent heat.
		c. Latent heat is pressurized.
		d. Latent rut is increased.
Wrong answer. Please choose some other respond.

10.	In a sealed system, pressure and temperature _________________.
		a. are inversely proportional
		b. go in opposite directions up and down
		c. are equal
		d. follow each other up and downwards
Wrong answer. Please choose another answer.

eleven.	Which of the following is non a type of compressor?
		a. Lateral
		b. Reciprocating
		c. Rotary
		d. Spiral
		east. Centrifugal
Incorrect answer. Please cull another answer.

12.	In Fahrenheit, the humid bespeak of water is _____________.
		a. 100 degrees
		b. 112 degrees
		c. 212 degrees
		d. 221 degrees
Incorrect answer. Delight choose some other answer.

thirteen.	To modify Fahrenheit to Celsius, which formula is used?
		a. C =(F+32)÷ i.8
		b. C=(F-32) x 1.eight
		c. C=(F-32) ÷ 1.8
		d. C= (F-32)+one.8
Incorrect answer. Please choose another answer.

fourteen.	Which of the following is not a method by which heat may exist transferred from a warmer substance to a colder substance?
		a. Conduction
		b. Retraction
		c. Convection
		d. Radiations
Incorrect respond. Delight choose another respond.

xv.	What btu of heat is required to raise 1 pound of ice ane degree F when the temperature is below 32 degrees F?
		a. .25
		b. .5
		c. one
		d. ane.5
Incorrect answer. Please choose another answer.

16.	What btu of rut is required to raise one pound of steam 1 degree F above the temperature of 212 degrees F?
		a. .25
		b. .5
		c. 1
		d. 1.five
Incorrect reply. Please cull some other answer.

17.	A twenty-four hours-ton of refrigeration is the amount of refrigeration produced by melting 1 ton of ice at a temperature of 32 degrees F in 24 hours.
		True
		False
Incorrect respond. Please choose another answer.

xviii.	Water ice exerts pressure level ________________.
		a. Upwards
		b. Laterally
		c. Downwardly
		d. In all directions
Incorrect answer. Please choose another answer.

nineteen.	Pressure is usually measured in ___________.
		a. Pounds per square foot
		b. Pressure per square foot
		c. Pounds per foursquare inch
		d. Pressure per foursquare inch
Incorrect answer. Please choose another reply.

20.	Atmospheric pressure level, at sea level, is xiv.vii psia.
		True
		Imitation
Incorrect reply. Please choose another answer.

21.	When one rises into the atmosphere, the atmospheric pressure decreases by 1 psi for every_________________.
		a. 2,343 feet
		b. 3,334 feet
		c. 2,500 feet
		d. 5,280 feet
Incorrect answer. Delight choose another answer.

22.	Vaporization tin be increased past _____________ the pressure on a liquid.
		a. Increasing
		b. Equalizing
		c. Reducing
Wrong answer. Please choose another reply.

23.	Every mechanical refrigeration system has __________ unlike pressure levels.
		a. ii
		b. 3
		c. 4
		d. 5
Incorrect respond. Please choose another respond.

24.	Pressure level on the high pressure side of a mechanical refrigeration unit is chosen _______________.
		a. suction force per unit area
		b. belch or caput pressure
		c. differential l pressure
		d. absolute force per unit area
Incorrect answer. Delight cull another reply.

25.	The exertion of force per unit area on a substance with a constant temperature increases its volume in proportion to the increase in pressure.
		Truthful
		False
Incorrect respond. Please choose some other answer.

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