Hydraulic Machines | Mechanical Engineering

In a mixed flow centrifugal pump, the flow through the impeller is a combination of radial and axial flows.

Byadmin September 14, 2022

Question: In a mixed flow centrifugal pump, the flow through the impeller is a combination of radial and axial flows.
[A].

Correct

[B].

Incorrect

Answer: Option A

Explanation:

No answer description available for this question.

Engineering Mechanics | Mechanical Engineering

A rubber ball is dropped from a height of 2 m. If there is no loss of velocity after rebounding, the ball will rise to a height of

Question: A rubber ball is dropped from a height of 2 m. If there is no loss of velocity after rebounding, the ball will rise to a height of
[A].

1m
[B].
2m
[C].
3m
[D].
4m

Answer: Option B

Explanation:

No answer description available for this question.

Read More A rubber ball is dropped from a height of 2 m. If there is no loss of velocity after rebounding, the ball will rise to a height of
Hydraulic Machines | Mechanical Engineering

A Pelton wheel develops 1750 kW under a head of 100 metres while running at 200 r.p.m. and discharging 2500 litres of water per second. The unit speed of the wheel is

Question: A Pelton wheel develops 1750 kW under a head of 100 metres while running at 200 r.p.m. and discharging 2500 litres of water per second. The unit speed of the wheel is
[A].

10 r.p.m.
[B].
20 r.p.m.
[C].
40 r.p.m.
[D].
80 r.p.m.

Answer: Option B

Explanation:

No answer description available for this question.

Read More A Pelton wheel develops 1750 kW under a head of 100 metres while running at 200 r.p.m. and discharging 2500 litres of water per second. The unit speed of the wheel is
Hydraulic Machines

The horse power required in above case will be___________________?

The horse power required in above case will be___________________?

A. same
B. 0.75 B.H.P.
C. B.H.P./0.75
D. 1.5 B.H.P.
E. none of the above

Read More The horse power required in above case will be___________________?
Hydraulics and Fluid Mechanics | Mechanical Engineering

A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is

Question: A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is
[A].

[B].

[C].

[D].

Answer: Option C

Explanation:

No answer description available for this question.

Read More A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is
Automobile Engineering | Mechanical Engineering

The brake pedal during ABS operation

Question: The brake pedal during ABS operation
[A].

is pushed upward forcefully
[B].
pedal stroke becomes longer
[C].
transmits slight kickback to the driver’s foot
[D].
all of the above

Answer: Option C

Explanation:

No answer description available for this question.

Read More The brake pedal during ABS operation
Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

With the decrease in compression ratio, the volumetric efficiency

Question: With the decrease in compression ratio, the volumetric efficiency
[A].

does not change
[B].
increases
[C].
decreases

Answer: Option B

Explanation:

No answer description available for this question.

Read More With the decrease in compression ratio, the volumetric efficiency

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