Hydraulics and Fluid Mechanics | Mechanical Engineering

An error of 1% in measuring head over the crest of the notch (H) will produce an error of __________ in discharge over a triangular notch,

Byadmin September 14, 2022

Question: An error of 1% in measuring head over the crest of the notch (H) will produce an error of __________ in discharge over a triangular notch,
[A].

[B].

1.5%

[C].

[D].

2.5%

Answer: Option D

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.
Automobile Engineering | Mechanical Engineering

A traction control system (TCS) in automobiles controls the

Question: A traction control system (TCS) in automobiles controls the
[A].

vibrations on the steering wheel
[B].
engine power during acceleration
[C].
torque that is transmitted by the tyres to the road surface
[D].
stopping distance in case of emergency

Answer: Option C

Explanation:

No answer description available for this question.

Read More A traction control system (TCS) in automobiles controls the
Automobile Engineering | Mechanical Engineering

The cam shaft in an engine is always mounted

Question: The cam shaft in an engine is always mounted
[A].

parallel to the crankshaft
[B].
perpendicular to the crankshaft
[C].
inclined to the crankshaft
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More The cam shaft in an engine is always mounted
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

Degree of saturation or percentage humidity is

Question: Degree of saturation or percentage humidity is
[A].

the mass of water vapour present in 1 m3 of dry air
[B].
the mass of water vapour present in 1 kg of dry air
[C].
the ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure.
[D].
the ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure

Answer: Option C

Explanation:

No answer description available for this question.

Read More Degree of saturation or percentage humidity is
Ic Engines And Nuclear Power Plants | Mechanical Engineering

In a four stroke cycle diesel engine, the inlet valve

Question: In a four stroke cycle diesel engine, the inlet valve
[A].

opens at 20° before top dead centre and closes at 40° after bottom dead centre
[B].
opens at 20° after top dead centre and closes at 20° before bottom dead centre
[C].
opens at top dead centre and closes at bottom dead centre
[D].
may open and close anywhere

Answer: Option A

Explanation:

No answer description available for this question.

Read More In a four stroke cycle diesel engine, the inlet valve
Hydraulic Machines | Mechanical Engineering

Discharge of a centrifugal pump is

Question: Discharge of a centrifugal pump is
[A].

directly proportional to diameter of its impeller
[B].
inversely proportional to diameter of its impeller
[C].
directly proportional to (diameter)2 of its impeller
[D].
inversely proportional to (diameter)2 of its impeller

Answer: Option C

Explanation:

Discharge of a centrifugal pump is directly proportional to (Diameter)^2 of its impeller.

Head of a centrifugal pump is directly proportional to (Diameter)^2 of its impeller.

Power Developed of a centrifugal pump is directly proportional to (Diameter)^4 of its impeller.

Read More Discharge of a centrifugal pump is

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