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A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning /
Question: A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called
[A].

automatic expansion valve

[B].

high side float valve

[C].

thermostatic expansion valve

[D].

low side float valve

Answer: Option D

Explanation:

No answer description available for this question.

A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called Read More »

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning

A thermostatic expansion valve in a refrigeration system

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning /
Question: 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

Answer: Option A

Explanation:

No answer description available for this question.

A thermostatic expansion valve in a refrigeration system Read More »

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning

A series resonant circuit has inductance L. If L is increased, the resonant frequency

Electronics And Communication Engineering, Networks Analysis And Synthesis /
Question: A series resonant circuit has inductance L. If L is increased, the resonant frequency
[A].

increases

[B].

decreases

[C].

remains constant

[D].

may increases or decreases

Answer: Option B

Explanation:

. As L increases ωr decreases.

A series resonant circuit has inductance L. If L is increased, the resonant frequency Read More »

Electronics And Communication Engineering, Networks Analysis And Synthesis

Compute the horizontal and vertical components of force at pin B. The belt is subjected to a tension of T=100 N and passes over each of the three pulleys.

Engineering Mechanics, Equilibrium Of A Rigid Body /
Question: Compute the horizontal and vertical components of force at pin B. The belt is subjected to a tension of T=100 N and passes over each of the three pulleys.
[A].

Bx = 0 N, By = 141.4 N

[B].

Bx = -15.89 N, By = 120.7 N

[C].

Bx = 20.7 N, By = 157.3 N

[D].

Bx = 0, By = 100.0 N

Answer: Option B

Explanation:

No answer description available for this question.

Compute the horizontal and vertical components of force at pin B. The belt is subjected to a tension of T=100 N and passes over each of the three pulleys. Read More »

Engineering Mechanics, Equilibrium Of A Rigid Body

The capillary tube is not used in large capacity refrigeration systems because

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning /
Question: The capillary tube is not used in large capacity refrigeration systems because
[A].

cost is too high

[B].

capacity control is not possible

[C].

it is made of copper

[D].

required pressure drop can not be achieved

Answer: Option B

Explanation:

No answer description available for this question.

The capillary tube is not used in large capacity refrigeration systems because Read More »

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning

The capillary tube, as an expansion device, is used in

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning /
Question: The capillary tube, as an expansion device, is used in
[A].

domestic refrigerators

[B].

water coolers

[C].

room air conditioners

[D].

all of these

Answer: Option D

Explanation:

No answer description available for this question.

The capillary tube, as an expansion device, is used in Read More »

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning

In a refrigeration system, the expansion device is connected between the

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning /
Question: In a refrigeration system, the expansion device is connected between the
[A].

compressor and condenser

[B].

condenser and receiver

[C].

receiver and evaporator

[D].

evaporator and compressor

Answer: Option C

Explanation:

No answer description available for this question.

In a refrigeration system, the expansion device is connected between the Read More »

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning

The capacity of the cooling tower and spray ponds __________ as the wet bulb temperature of air decreases.

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning /
Question: The capacity of the cooling tower and spray ponds __________ as the wet bulb temperature of air decreases.
[A].

increases

[B].

decreases

Answer: Option A

Explanation:

No answer description available for this question.

The capacity of the cooling tower and spray ponds __________ as the wet bulb temperature of air decreases. Read More »

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning