Time Left - 06:00 mins

ESE 2021 ME Technical Quiz || Compressors

Attempt now to get your rank among 208 students!

Question 1

In an axial flow compressor, Air enters at a mass flow rate of 160 kg/min with it's temperature of 30ºC. The overall pressure ratio is 5 and Polytropic efficiency to be 0.85. Find out the number of stages __________ if stagnation temperature rise per stage must not exceed 30 K. 

Question 2

In a three stage compressor, if the pressure at the entry of first and third stage are 1 bar and 16 bar, then the delivery pressure at the third stage will be

Question 3

A single acting two-stage air compressor deals with 4 m3/min of air at 1.013 bar and 15°C with a speed of 250 rpm. The delivery pressure is 80 bar. If the inter cooling is complete, the intermittent pressure after first stage will be

Question 4

What does application of centrifugal air compressors lead to?

Question 5

Stalling phenomena in an axial flow compressor stage is caused due to which one of the following?
  • 208 attempts
  • 2 upvotes
  • 1 comment
May 5ESE & GATE ME