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WorksheetsRefrigeration & air conditioning
Total questions: 10
Worksheet time: 5mins
What is the purpose of a refrigeration system?
To reduce noise pollution
To remove heat and lower temperature
To generate electricity
To increase humidity levels
Explain the difference between air conditioning and refrigeration.
Air conditioning and refrigeration have no difference in their purpose.
Air conditioning focuses on comfort by removing heat and moisture, while refrigeration focuses on preservation by cooling to lower temperatures.
Air conditioning and refrigeration both focus on heating instead of cooling.
Air conditioning is used for preservation while refrigeration is for comfort.
What are the main components of a refrigeration system?
motor, filter, duct
compressor, condenser, expansion valve, evaporator
pipes, wires, sensors
fan, heater, thermostat
How does the refrigeration cycle work?
The refrigeration cycle works by circulating a refrigerant through a closed loop system involving the evaporator, compressor, condenser, and expansion valve.
The refrigeration cycle works by heating up the refrigerant to cool the space
The refrigeration cycle works by releasing hot air into the environment
The refrigeration cycle works by using solar power to cool the air
What is the role of a compressor in a refrigeration system?
The compressor increases the pressure and temperature of the refrigerant gas.
The compressor decreases the pressure and temperature of the refrigerant gas.
The compressor is responsible for releasing the refrigerant gas into the atmosphere.
The compressor has no impact on the refrigerant gas in the system.
What is the function of an evaporator in a refrigeration system?
Generate cold air
Condense refrigerant
Increase pressure in the system
Absorb heat and evaporate refrigerant
What are the common refrigerants used in refrigeration and air conditioning?
R-123
R-404A
R-600a
R-134a, R-410A, R-22
How does the expansion valve regulate the flow of refrigerant?
By creating a pressure drop and controlled expansion of the refrigerant.
By reducing the compressor speed
By increasing the temperature of the refrigerant
By releasing excess refrigerant into the atmosphere
fridge Mein O L P ka Karya Bataye.?
Compressor ko supply dena
Compressor ko protection dena
Compressor start karna
Compressor off karna
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