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The compressed air may be used

The compressed air may be used

A

In gas turbine plants

B

For operating pneumatic drills

C

In starting and supercharging of I.engines

D

All of the above

The compressed air may be used Correct Answer All of the above

The compressed air may be used-In gas turbine plants- For operating pneumatic drills-In starting and supercharging of I.C. engines

Bissoy MCQ Team

Mechanical Engineering
Compressors
Gas Turbines And Jet Engines

Related Questions

In compressed air tunnelling, the volume of free air provided is

A

6 m³ per second per m² of face area

B

6 m³ per minute per m² of face area

C

20 m³ per minute per m² of face area

D

6 m³ per hour per m² of face area

Compressed dry air is used as the cutting fluid, while machining

A

Steel

B

Cast iron

C

Aluminium

D

None of these

In closed cycle gas turbine, the air is compressed

A

Isothermally

B

Isentropically

C

Polytropically

D

None of these

To avoid moisture troubles, the compressed air main line should

A

Rise gradually towards the point of use

B

Drop gradually towards the point of use

C

Be laid vertically

D

Be laid exactly horizontally

In a closed cycle gas turbine, the air is compressed

A

Isothermally

B

Polytropically

C

Isentropically

D

None of these

In a double acting compressor, the air is compressed

A

In one cylinder

B

In two cylinders

C

In a single cylinder on both sides of the piston

D

In two cylinders on both sides of the piston

The overall efficiency of the compressed air system is the

A

Ratio of shaft output of the air motor to the shaft input to the compressor

B

Ratio of shaft input to the compressor to the shaft output of air motor

C

Product of shaft output of air motor and shaft input to the compressor

D

None of the above

In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in

A

Exit nozzle, which is a constant volume process

B

Exit nozzle, which is essentially an isentropic process

C

Turbine blades, which is a constant volume process

D

Turbine blades, which is essentially an isentropic process

The most suitable soil for compressed air tunnelling is

A

Silt

B

Sand

C

Clay

D

Gravel

'Utilities' in a chemical process plant includes compressed air, steam, water, electrical power, oxygen, acetylene, fuel gases etc. Utility costs for ordinary chemical process plants ranges roughly from __________ percent of the total product cost.

A

1 to 5

B

10 to 20

C

25 to 35

D

35 to 45

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