Hydraulic Machines | Mechanical Engineering

If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by

Byadmin September 14, 2022

Question: If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by
[A].

H = Hg/hf

[B].

H = Hg x hf

[C].

H = Hg + hf

[D].

H = Hg – hf

Answer: Option D

Explanation:

No answer description available for this question.

Machine Design | Mechanical Engineering

In order to remove internal stresses produced by hardening the steel, the process usually adopted is

Question: In order to remove internal stresses produced by hardening the steel, the process usually adopted is
[A].

tempering
[B].
annealing
[C].
normalising
[D].
spheroidising

Answer: Option A

Explanation:

No answer description available for this question.

Read More In order to remove internal stresses produced by hardening the steel, the process usually adopted is
Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

In an axial flow compressor, the ratio of pressure in theTOtor blades to the pressure rise in the compressor in one stage is known as

Question: In an axial flow compressor, the ratio of pressure in theTOtor blades to the pressure rise in the compressor in one stage is known as
[A].

work factor
[B].
slip factor
[C].
degree of reaction
[D].
pressure coefficient

Answer: Option C

Explanation:

No answer description available for this question.

Read More In an axial flow compressor, the ratio of pressure in theTOtor blades to the pressure rise in the compressor in one stage is known as
Hydraulic Machines

Low specific speed of a pump implies it is____________________?

Low specific speed of a pump implies it is____________________?

A. centrifugal pump
B. mixed flow pump
C. axial flow pump
D. any one of the above
E. none of the above

Read More Low specific speed of a pump implies it is____________________?
Mechanical Engineering | Production Engineering

Crater wear occurs mainly on the

Question: Crater wear occurs mainly on the
[A].

nose part, front relief face and side relief face of the cutting tool
[B].
face of the cutting tool at a short distance from the cutting edge only
[C].
cutting edge only
[D].
front face only

Answer: Option B

Explanation:

No answer description available for this question.

Read More Crater wear occurs mainly on the
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

Fourier’s law of heat conduction gives the heat flow for

Question: Fourier’s law of heat conduction gives the heat flow for
[A].

irregular surfaces
[B].
non-uniform temperature surfaces
[C].
one dimensional cases only
[D].
two dimensional cases only

Answer: Option C

Explanation:

No answer description available for this question.

Read More Fourier’s law of heat conduction gives the heat flow for
Automobile Engineering | Mechanical Engineering

In an engine, the temperature of the piston will be more at the

Question: In an engine, the temperature of the piston will be more at the
[A].

crown of the piston
[B].
skirt of the piston
[C].
piston walls
[D].
piston rings

Answer: Option A

Explanation:

No answer description available for this question.

Read More In an engine, the temperature of the piston will be more at the

Similar Posts