A thermostatic expansion valve in a refrigeration system

A Ensures the evaporator completely filled with refrigerant of the load
B Is suitable only for constant load systems
C Maintains different temperatures in evaporator in proportion to load
D None of the above

Correct Answer: Ensures the evaporator completely filled with refrigerant of the load

A thermostatic expansion valve in a refrigeration system Ensures the evaporator completely filled with refrigerant of the load
Bissoy MCQ
#Mechanical Engineering #Refrigeration and Air Conditioning

Related Questions

The thermostatic expansion valve is used in ________ type of evaporators.
A Flooded
B DX coil
C Dry
D None of these
The thermostatic expansion valve operates on the changes in the
A Degree of superheat at exit from the evaporator
B Temperature of the evaporator
C Pressure in the evaporator
D None of the above
Most thermostatic expansion valves are set for a superheat of
A 5°C
B 10°C
C 15°C
D 20°C
In Meyer's expansion valve, the expansion valve is driven by an eccentric having an angle of advance from
A 50° - 60°
B 60° - 70°
C 70° - 80°
D 80° - 90°
The most important consideration, while designing the refrigeration system of an aircraft is that the refrigeration system
A Is as light as possible
B Has very high C.O.P
C Employs minimum quantity of refrigerant
D Consumer minimum horse power
For the same terminal conditions and valve size, the pressure drop in a fully opened globe valve as compared to that in a gate valve is
A More
B Less
C Equal
D Either A or B; depends on the viscosity of the fluid
In Meyer's expansion valve, the main valve is driven by an eccentric having an angle of advance from
A 10° - 15°
B 15° - 25°
C 25° - 30°
D 30° - 40°
One Ton of Refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice---
A In 1 hour
B In 24 hour
C In 10 minutes
D In 12 hour
A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect?
A Vapor compression cycle using expansion valve
B Air refrigeration cycle
C Vapor compression cycle using expansion engine
D Carnot refrigeration cycle
Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is
A Positive
B Negative
C Zero
D Infinity

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