True/False
Indicate whether the sentence or statement is true
or false.
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1.
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There
are two types of energy, Potential and Kinetic Energy. True or False?
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Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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2.
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The
SEER (seasonal energy efficiency is a combination of EER (energy efficiency ratio) and the ________
of performance?
a. | coefficient | c. | activity | b. | cost | d. | rating | | | | |
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3.
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The
EER or energy efficiency ratio is the rated cooling capacity of a unit in Btu/h divided by
a. | The electrical
power in Amps | c. | The electrical
power in Volts | b. | The electrical power in Watts | d. | The electrical power in Joules | | | | |
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4.
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The
formula for EER is? a. | Btu/h (Heating) ouput
Power Output
(watts) | c. | Btu/h
(Cooling) ouput
Power Input (watts) | b. | Btu/h ouput
Power (watts) | d. | Btu/h
(Cooling) Input
Power Output (watts) | | | | |
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5.
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The
SEER is the total cooling accomplished by a unit during its normal annual usage, divided by the _____
electrical energy input in watt-hours during this time? a. | Most | c. | Used | b. | Actual | d. | Total | | | | |
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6.
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1 kW
equals how many Btu/h? a. | 3.412 | c. | 30412 | b. | 3412 | d. | 34122 | | | | |
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7.
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1
Btu/hr equals how many watts? a. | 0.293 | c. | 2930 | b. | 293 | d. | 29300 | | | | |
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8.
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The
formula for COP is? a. | Btu/h of cooling
Electrical power
in watts 0.293 | c. | Btu/h of
cooling
Electrical power in watts 0.393 | b. | Btu/h of
cooling energy
Electrical power in watts 0.293 | d. | Btu/h of heating
Electrical power
in watts 0.293 | | | | |
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9.
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Compression Ratio is the ration of the absolute high-side (compressor ______?) to the
absolute low-side (compressor suction) pressure? a. | Plates | c. | Discharge | b. | Valves | d. | Muffler | | | | |
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Problem
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10.
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Find
the COP and EER for a refrigerator that has a cooling capacity of 12,000 Btu/h and requires 1000
watts of electrical energy?
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