
Mechanical Refrigeration Cycle
Science
University
NGSS covered
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Superheating will be found in which of the following locations?
Discharge line
Liquid line
Suction line
Expansion line
Tags
NGSS.HS-PS3-4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Small amounts of liquid returning to the compressor is called ___________?
Flood back
Flooded start
Slugging
Flooding compressor
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Refrigerant changes from vapor to a liquid in which component?
Liquid line
Evaporator
Suction line
Condenser
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following will cause the compressor work harder?
High suction pressure
Low suction pressure
Low charge
Low load
Tags
NGSS.HS-PS3-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The area between the valve plate and the top of the piston at top dead center is _____?
Discharge valve
Suction valve
Clearance volume
Wrist pin
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is likely to cause washed bearings in a compressor?
lack of lubrication
Overheating
Flooded start
Open capacitor
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Low charge can be seen in readings as _______?
High superheat
Low superheat
High subcooling
Tags
NGSS.HS-PS3-4
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