www.ThinkITI.com

Home
MCQ
Search
Free Apps
Important
Study Groups
Contact Us
Policy

Home
MCQ
Objective Questions
Engineering
Mechanical
ME Set-3
Pressure Vessels
5

Pressure Vessels and Engines MCQ with Answers

5) The capacity of a compressor is 5 m³/min refers to

standard air

free air

compressed air

compressed air at delivery pressure

Answer is:

free air

Explanation:

Compressor capacity. It is the volume of air delivered by the compressor, and is expressed in m³/min or m³/s.

Free air delivery is the actual volume delivered by a compressor when reduced to the normal temperature and pressure conditions. The capacity of a compressor is generally given in terms of free air delivery.

Pressure Vessels and Engines MCQ with Answers

For more MCQ's Click Here

Related Pressure Vessels and Engines MCQ with Answers

6) The overall isothermal effciency of compressor is defined as the ratio of

isothermal h.p. to the BHP of motor

isothermal h.p. to adiabatic h.p.

power to drive compressor to isothermal h.p.

work to compress air isothermally to work for actual compression

Answer is:

isothermal h.p. to the BHP of motor

7) The- most efficient method of compressing air is to compress it

isothermally

adiabatically

isentropically

isochronically

Answer is:

isothermally

8) Maximum work is done in compressing air when the compression is

isothermal

adiabatic

polytropic

any one of the above

Answer is:

adiabatic

9) The pressure and temperature conditions of air at the suction of compressor are

atmospheric

slightly more than atmospheric

pressure sightly less than atmospheric and temperature slightly more than atmospheric.

pressure slightly more than atmospheric and temperature slightly less than atmospheric

Answer is:

pressure sightly less than atmospheric and temperature slightly more than atmospheric.

Pressure Vessels and Engines MCQ with Answers

For more MCQ's Click Here