Ic Engines And Nuclear Power Plants | Mechanical Engineering

In hit and miss governing, the fuel supply is cut-off completely during one or more number of cycles.

Byadmin September 14, 2022

Question: In hit and miss governing, the fuel supply is cut-off completely during one or more number of cycles.
[A].

Yes

[B].

Answer: Option A

Explanation:

No answer description available for this question.

Industrial Engineering And Production Management | Mechanical Engineering

Indirect expenses include

Question: Indirect expenses include
[A].

factory expenses
[B].
selling expenses
[C].
administrative expenses
[D].
all of these

Answer: Option D

Explanation:

No answer description available for this question.

Read More Indirect expenses include
Hydraulic Machines | Mechanical Engineering

In a Francis turbine runner, the number of blades are generally between

Question: In a Francis turbine runner, the number of blades are generally between
[A].

2 to 4
[B].
4 to 8
[C].
8 to l6
[D].
16 to 24

Answer: Option D

Explanation:

No answer description available for this question.

Read More In a Francis turbine runner, the number of blades are generally between
Hydraulic Machines | Mechanical Engineering

A jet of water is striking at the centre of a curved vane moving with a uniform velocity in the direction of jet. For the maximum efficiency, the vane velocity is __________ of the jet velocity

Question: A jet of water is striking at the centre of a curved vane moving with a uniform velocity in the direction of jet. For the maximum efficiency, the vane velocity is __________ of the jet velocity
[A].

one-half
[B].
one-third
[C].
two-third
[D].
three-fourth

Answer: Option B

Explanation:

No answer description available for this question.

Read More A jet of water is striking at the centre of a curved vane moving with a uniform velocity in the direction of jet. For the maximum efficiency, the vane velocity is __________ of the jet velocity
Hydraulic Machines | Mechanical Engineering

The cavitation in a hydraulic machine

Question: The cavitation in a hydraulic machine
[A].

causes noise and vibration of various parts
[B].
reduces the discharge of a turbine
[C].
causes sudden drop in power output and efficiency
[D].
all of the above

Answer: Option D

Explanation:

No answer description available for this question.

Read More The cavitation in a hydraulic machine
Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

If p1, is the pressure of air entering the L.P. cylinder and p2 is the pressure of air leaving the L.P. cylinder (or intercooler pressure), then the ratio of cylinder diameters for a single acting, two stage reciprocating air compressor with complete intercooling is given by (where D1 = Dia. of L.P. cylinder, and D2 = Dia. of H.P. cylinder)

Question: If p1, is the pressure of air entering the L.P. cylinder and p2 is the pressure of air leaving the L.P. cylinder (or intercooler pressure), then the ratio of cylinder diameters for a single acting, two stage reciprocating air compressor with complete intercooling is given by (where D1 = Dia. of L.P. cylinder, and D2 = Dia. of H.P. cylinder)
[A].

D1/D2 = p1p2
[B].
D1/D2 = p1/p2
[C].
D1/D2 = p2/p1
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More If p1, is the pressure of air entering the L.P. cylinder and p2 is the pressure of air leaving the L.P. cylinder (or intercooler pressure), then the ratio of cylinder diameters for a single acting, two stage reciprocating air compressor with complete intercooling is given by (where D1 = Dia. of L.P. cylinder, and D2 = Dia. of H.P. cylinder)
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

If the evaporator temperature is kept constant, the coefficient of performance of a refrigeration cycle __________ with the increase in condenser temperature.

Question: If the evaporator temperature is kept constant, the coefficient of performance of a refrigeration cycle __________ with the increase in condenser temperature.
[A].

increases
[B].
decreases

Answer: Option B

Explanation:

No answer description available for this question.

Read More If the evaporator temperature is kept constant, the coefficient of performance of a refrigeration cycle __________ with the increase in condenser temperature.

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