Evaporator feed control, Objective 2
Authored by Andgel Thomas
Science
University
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of an evaporator feed controller?
To reduce the temperature on the evaporating side of the system
To control the speed of the compressor
To increase the pressure on the condensing side of the system
To manage the rate of refrigerant flow into the evaporator
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a type of evaporator feed control?
Capillary Tube
Float
Expansion Valve
Fixed Orifice
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a fixed orifice evaporator feed control?
To drastically reduce the pressure and flow of liquid refrigerant
To increase the pressure on the evaporating side of the system
To regulate the temperature in the condenser
To control the speed of the compressor
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of a capillary tube evaporator feed control?
To regulate the temperature in the evaporator
To increase the pressure on the condensing side of the system
To reduce the pressure of liquid refrigerant as it passes through
To control the speed of the compressor
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a float type evaporator feed control operate?
By regulating the temperature in the evaporator
By controlling the liquid refrigerant level in the receiver or evaporator
By increasing the pressure on the condensing side of the system
By controlling the speed of the compressor
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of an expansion valve in refrigeration systems?
To start and stop refrigerant flow
To control the speed of the compressor
To increase the pressure on the evaporating side of the system
To regulate the temperature in the condenser
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between a hand expansion valve and an automatic expansion valve?
Hand valve increases pressure while automatic valve decreases pressure
Hand valve is used in large chillers while automatic valve is used in small systems
Hand valve is fixed while automatic valve is adjustable
Hand valve is manually controlled while automatic valve is automatic
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