
TE QUIZ 04

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Other
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University
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Medium
Immanual R
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a common classification criterion for refrigeration systems?
Working principle
Type of energy used
Color of the refrigerant
Application purpose
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the refrigerant designation system, R-134a represents:
A zeotropic mixture
An azeotropic mixture
A hydrofluorocarbon (HFC)
A hydrochlorofluorocarbon (HCFC)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The primary function of the expansion device in a vapor compression refrigeration system is to:
Increase the pressure of the refrigerant
Reduce the pressure of the refrigerant
Increase the temperature of the refrigerant
Increase the enthalpy of the refrigerant
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Coefficient of Performance (COP) of a refrigeration system is defined as:
Refrigeration effect divided by work input
Work input divided by refrigeration effect
Sum of refrigeration effect and work input
Refrigeration effect multiplied by work input
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an ammonia-water absorption refrigeration system, ammonia serves as the:
Absorbent
Refrigerant
Catalyst
Heat transfer medium
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Lithium Bromide-water absorption system is primarily used for:
Domestic refrigeration
Commercial air conditioning
Industrial freezing
Ultra-low temperature applications
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a Lithium Bromide-water absorption system, the refrigerant is:
Lithium Bromide
Water
Ammonia
Freon
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