www.ThinkITI.com

Home
MCQ
Search
Free Apps
Important
Study Groups
Contact Us
Policy

Home
MCQ
Objective Questions
Engineering
Mechanical
ME Set-1
Compressors Gas dynamics and Gas Turbines
43

Compressors Gas dynamics and Gas Turbines MCQ with Answers

43) The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as

compressor efficiency

volumetric efficiency

isothermal efficiency

mechanical efficiency

Answer is:

volumetric efficiency

Compressors Gas dynamics and Gas Turbines MCQ with Answers

For more MCQ's Click Here

Related Compressors Gas dynamics and Gas Turbines MCQ with Answers

44) 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 reciprocatin

D₁/D₂ = p₁p₂

D₁/D₂ = p₁/p₂

D₁/D₂ = p₂/p₁

none of these

Answer is:

D₁/D₂ = p₂/p₁

45) The ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called

compressor efficiency

volumetric efficiency

isothermal efficiency

mechanical efficiency

Answer is:

mechanical efficiency

46) The increase in pressure in a roots blower is entirely due to back flow of air.

Agree

Disagree

Answer is:

Agree

47) The type of rotary compressor used in aeroplanes, is of

centrifugal type

axial flow type

radial flow type

none of these

Answer is:

axial flow type

Compressors Gas dynamics and Gas Turbines MCQ with Answers

For more MCQ's Click Here

43) The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as

volumetric efficiency

Compressors Gas dynamics and Gas Turbines MCQ with Answers

Related Compressors Gas dynamics and Gas Turbines MCQ with Answers

44) 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 reciprocatin

D1/D2 = p2/p1

45) The ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called

mechanical efficiency

46) The increase in pressure in a roots blower is entirely due to back flow of air.

Agree

47) The type of rotary compressor used in aeroplanes, is of

axial flow type

Compressors Gas dynamics and Gas Turbines MCQ with Answers

44) 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 reciprocatin

D₁/D₂ = p₂/p₁