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

Byadmin September 14, 2022

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.

Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

For maximum work, the reheating should be done to an intermediate pressure of (where p1 = Maximum pressure, and p2 = Minimum pressure)

Question: For maximum work, the reheating should be done to an intermediate pressure of (where p1 = Maximum pressure, and p2 = Minimum pressure)
[A].

[B].

[C].

[D].
p1p2

Answer: Option D

Explanation:

No answer description available for this question.

Read More For maximum work, the reheating should be done to an intermediate pressure of (where p1 = Maximum pressure, and p2 = Minimum pressure)
CHEMICAL ENGINEERING | Heat Transfer

In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred

Question: In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred
[A].

through a metallic wall.
[B].
by direct contact of hot flue gas with air.
[C].
by heating an intermediate material (like chequor bricks) and then heating the air from this hot material.
[D].
none of these.

Answer: Option C

Explanation:

No answer description available for this question.

Read More In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred
Engineering Mechanics | Mechanical Engineering

If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is

Question: If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is
[A].

30°
[B].
60°
[C].
90°
[D].
120°

Answer: Option D

Explanation:

No answer description available for this question.

Read More If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is
CHEMICAL ENGINEERING | Heat Transfer

Choose the correct equation.

Question: Choose the correct equation.
[A].

Nu = (Re) (Pr) (Gz)
[B].
Nu = (Re) (Pr) (St)
[C].
Nu = (Re)(Pr)
[D].
Nu = (Pr)(St)

Answer: Option B

Explanation:

No answer description available for this question.

Read More Choose the correct equation.
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In a pressure enthalpy chart, the space between the saturated liquid line and saturated vapour line, represents sub-cooled liquid region.

Question: In a pressure enthalpy chart, the space between the saturated liquid line and saturated vapour line, represents sub-cooled liquid region.
[A].

True
[B].
False

Answer: Option B

Explanation:

No answer description available for this question.

Read More In a pressure enthalpy chart, the space between the saturated liquid line and saturated vapour line, represents sub-cooled liquid region.
CHEMICAL ENGINEERING | Heat Transfer

Latent heat absorbed by 1 lb of water at 212°F, when it is changed to steam at 212°F, may be around __________ BTU.

Question: Latent heat absorbed by 1 lb of water at 212°F, when it is changed to steam at 212°F, may be around __________ BTU.
[A].

180
[B].
970
[C].
3.97
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More Latent heat absorbed by 1 lb of water at 212°F, when it is changed to steam at 212°F, may be around __________ BTU.

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