Hydraulic Machines | Mechanical Engineering

In a Francis turbine, the pressure at inlet is __________ that at outlet.

Byadmin September 14, 2022

Question: In a Francis turbine, the pressure at inlet is __________ that at outlet.
[A].

less than

[B].

more than

Answer: Option B

Explanation:

No answer description available for this question.

Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

If the clearance ratio for a reciprocating air compressor is ‘K’, then its volumetric efficiency is given by

Question: If the clearance ratio for a reciprocating air compressor is ‘K’, then its volumetric efficiency is given by
[A].

[B].

[C].

[D].

Answer: Option B

Explanation:

No answer description available for this question.

Read More If the clearance ratio for a reciprocating air compressor is ‘K’, then its volumetric efficiency is given by
Hydraulic Machines

Pressure intensifier increases the pressure in proportion to____________________?

Pressure intensifier increases the pressure in proportion to____________________?

A. ratio of diameters
B. square of ratio of diameters
C. inverse ratio of diameters
D. square of inverse ratio of diameters
E. fourth power of ratio of diameters

Read More Pressure intensifier increases the pressure in proportion to____________________?
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

The automobile radiator is a heat exchanger of

Question: The automobile radiator is a heat exchanger of
[A].

parallel flow type
[B].
counter flow type
[C].
cross flow type
[D].
regenerator type

Answer: Option C

Explanation:

No answer description available for this question.

Read More The automobile radiator is a heat exchanger of
Industrial Engineering And Production Management | Mechanical Engineering

In a network shown in the below figure, the critical path is along

Question: In a network shown in the below figure, the critical path is along
[A].

1-2-3-4-8-9
[B].
1-2-3-5-6-7-8-9
[C].
1-2-3-4-7-8-9
[D].
1-2-5-6-7-8-9

Answer: Option B

Explanation:

No answer description available for this question.

Read More In a network shown in the below figure, the critical path is along
Engineering Mechanics | Mechanical Engineering

In order to determine the effects of a force, acting on a body, we must know

Question: In order to determine the effects of a force, acting on a body, we must know
[A].

magnitude of the force
[B].
line of action of the force
[C].
nature of the force i,e. whether the force is push or pull
[D].
all of the above

Answer: Option D

Explanation:

No answer description available for this question.

Read More In order to determine the effects of a force, acting on a body, we must know
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The by-pass factor of the heating coil is

Question: The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The by-pass factor of the heating coil is
[A].

0.376
[B].
0.4
[C].
0.6
[D].
0.67

Answer: Option C

Explanation:

No answer description available for this question.

Read More The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The by-pass factor of the heating coil is

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