Valve Design and Functions Quiz pt2
Authored by Andgel Thomas
Physics
12th Grade
Used 6+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of an evaporator pressure regulating (EPR) valve?
To increase compressor amperage
To divert refrigerant flow
To maintain minimum evaporator pressure
To regulate crankcase pressure
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of valve is a solenoid valve when it is open when electrical power is not applied to the valve's operating coil?
Direct Acting or Normally Open (NO)
Reverse Acting or Normally Closed (NC)
Crankcase Pressure Regulating (CPR) Valve
Pressure Differential (PD) Valve
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of a crankcase pressure regulating (CPR) valve?
To regulate evaporator pressure
To divert refrigerant flow
To increase compressor amperage
To maintain maximum crankcase pressure at the entrance to the compressor
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the basic function of a pressure differential (PD) valve?
To regulate crankcase pressure
To start and stop refrigerant flow
To maintain minimum evaporator pressure
To provide a pressure difference between two points in a refrigeration system
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between manual and automatic valves?
Manual valves require human intervention, while automatic valves do not
Automatic valves require human intervention, while manual valves do not
Manual valves are used for refrigeration, while automatic valves are used for air conditioning
Automatic valves are used for refrigeration, while manual valves are used for air conditioning
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a solenoid valve in a refrigeration system?
To start and stop refrigerant flow
To regulate crankcase pressure
To maintain minimum evaporator pressure
To provide a pressure difference between two points in a refrigeration system
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of a pressure differential (PD) valve?
To provide a pressure difference between two points in a refrigeration system
To maintain minimum evaporator pressure
To regulate crankcase pressure
To start and stop refrigerant flow
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