Hydraulic Machines | Mechanical Engineering

A Pelton wheel with one nozzle is preferred for a specific speed between 35 to 60 r.p.m.

Byadmin September 14, 2022

Question: A Pelton wheel with one nozzle is preferred for a specific speed between 35 to 60 r.p.m.
[A].

True

[B].

False

Answer: Option B

Explanation:

No answer description available for this question.

Ic Engines And Nuclear Power Plants | Mechanical Engineering

A two stroke cycle engine gives __________ the number of power strokes as compared to the four stroke cycle engine, at the same engine speed.

Question: A two stroke cycle engine gives __________ the number of power strokes as compared to the four stroke cycle engine, at the same engine speed.
[A].

half
[B].
same
[C].
double
[D].
four times

Answer: Option C

Explanation:

No answer description available for this question.

Read More A two stroke cycle engine gives __________ the number of power strokes as compared to the four stroke cycle engine, at the same engine speed.
Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

A rotary compressor is driven by an

Question: A rotary compressor is driven by an
[A].

electric motor
[B].
engine
[C].
either (a) or (b)
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More A rotary compressor is driven by an
Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

A rocket engine uses __________ for the combustion of its fuel.

Question: A rocket engine uses __________ for the combustion of its fuel.
[A].

surrounding air
[B].
compressed atmospheric air
[C].
its own oxygen
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More A rocket engine uses __________ for the combustion of its fuel.
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In case of liquids and gases, the heat transfer takes place according to

Question: In case of liquids and gases, the heat transfer takes place according to
[A].

conduction
[B].
convection
[C].
radiation
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More In case of liquids and gases, the heat transfer takes place according to
Ic Engines And Nuclear Power Plants | Mechanical Engineering

In a petrol engine, the mixture has the lowest pressure at the

Question: In a petrol engine, the mixture has the lowest pressure at the
[A].

beginning of suction stroke
[B].
end of suction stroke
[C].
end of compression stroke
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More In a petrol engine, the mixture has the lowest pressure at the
Hydraulic Machines | Mechanical Engineering

Which of the following statement is wrong ?

Question: Which of the following statement is wrong ?
[A].

The reaction turbines are used for low head and high discharge.
[B].
The angle of taper on draft tube is less than 8°.
[C].
An impulse turbine is generally fitted slightly above the tail race.
[D].
A Francis turbine is an impulse turbine.

Answer: Option D

Explanation:

No answer description available for this question.

Read More Which of the following statement is wrong ?

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