Unit 22 Quiz
Quiz
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Science
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University
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Practice Problem
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Medium
Devell Young
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30 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A cooling tower’s capacity is governed by what aspect of the ambient air?
Dry-bulb temperature
Wet-bulb temperature
Enthalpy of the air
Altitude
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A device that passes outside air over water to remove the system heat is a _______
shell-and-shell condensers
shell-and-tube condensers
water tower
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Air-cooled condensers are much more efficient than water-cooled condensers.
True
False
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Natural draft, forced draft, and evaporative are all types of _________.
refrigerant phases
package refrigerant systems
wastewater systems
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Condensing temperatures can be reduced by reducing the condenser surface area.
True
False
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
For every 1 degree rise in suction gas temperature returning to the compressor, there will be a ____ degree rise in the compressor’s discharge temperature.
5
1
30
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Condenser flooding is accomplished by __________ in both mild and cold weather to keep the head pressure constant.
having enough refrigerant in the system to flood the condenser
applying heat to the compressor crankcase
having enough refrigerant in the system to raise the suction pressure
having enough refrigerant in the system to flood the evaporator
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