Hydraulic Machines | Mechanical Engineering

If the net positive suction head (NPSH) requirement for the pump is not satisfied, then

Byadmin September 14, 2022

Question: If the net positive suction head (NPSH) requirement for the pump is not satisfied, then
[A].

no flow will take place

[B].

cavitation will be formed

[C].

efficiency will be low

[D].

excessive power will be consumed

Answer: Option B

Explanation:

No answer description available for this question.

Industrial Engineering And Production Management | Mechanical Engineering

Linear programming can be applied successfully to

Question: Linear programming can be applied successfully to
[A].

chemical industry
[B].
oil industry
[C].
banks
[D].
all of these

Answer: Option D

Explanation:

No answer description available for this question.

Read More Linear programming can be applied successfully to
Engineering Materials | Mechanical Engineering

In basic bessemer process, the furnace is lined with

Question: In basic bessemer process, the furnace is lined with
[A].

silica bricks
[B].
a mixture of tar and burnt dolomite bricks
[C].
either (a) or (b)
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More In basic bessemer process, the furnace is lined with
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be

Question: A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be
[A].

lack of cooling water
[B].
water temperature being high
[C].
dirty condenser surface
[D].
all of these

Answer: Option D

Explanation:

No answer description available for this question.

Read More A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be
Engineering Mechanics | Mechanical Engineering

A body of weight W is required to move up on rough inclined plane whose angle of inclination with the horizontal is α. The effort applied parallel to the plane is given by(where μ = tanφ = Coefficient of friction between the plane and the body.)

Question: A body of weight W is required to move up on rough inclined plane whose angle of inclination with the horizontal is α. The effort applied parallel to the plane is given by(where μ = tanφ = Coefficient of friction between the plane and the body.)
[A].

P = W tanα
[B].
P = W tan(α + φ)
[C].
P = W (sinα + μcosα)
[D].
P = W (cosα + μsinα)

Answer: Option C

Explanation:

No answer description available for this question.

Read More A body of weight W is required to move up on rough inclined plane whose angle of inclination with the horizontal is α. The effort applied parallel to the plane is given by(where μ = tanφ = Coefficient of friction between the plane and the body.)
Engineering Materials | Mechanical Engineering

German silver contains

Question: German silver contains
[A].

70% copper and 30% zinc
[B].
60% copper and 40% zinc
[C].
59% copper, 40% zinc and 1% tin
[D].
60.45% copper, 35.2% zinc and 5.35% nickel

Answer: Option D

Explanation:

No answer description available for this question.

Read More German silver contains
Ic Engines And Nuclear Power Plants | Mechanical Engineering

A fission chain reaction in uranium can be developed

Question: A fission chain reaction in uranium can be developed
[A].

by increasing the contents of U235
[B].
by slowing down fast neutrons so that U235 fission continues by slow neutron
[C].
both (a) and (b)
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More A fission chain reaction in uranium can be developed

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