• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Propulsion efficiency of the following order is obtained in practice

0.34
0.6
0.5
0.72

ANSWER DOWNLOAD EXAMIANS APP

Compressors, Gas Turbines and Jet Engines
Efficiency of gas turbine is increased by

Inter cooling
Adding a regenerator
Reheating
All of the listed here

ANSWER DOWNLOAD EXAMIANS APP

Compressors, Gas Turbines and Jet Engines
If the clearance ratio for a reciprocating air compressor is 'K', then its volumetric efficiency is given by

1 - k + k (p₁/p₂)1/n
1 + k - k (p₂/p₁) n-1/n
1 + k - k (p₂/p₁)1/n
1 - k + k (p₁/p₂) n- 1/n

ANSWER DOWNLOAD EXAMIANS APP

Compressors, Gas Turbines and Jet Engines
Standard air is the air at

15°C and 1 kg/cm²
20°C and 1 kg/cm² and relative humidity 36%
Atmospheric conditions at any specific location
0°C and standard atmospheric conditions

ANSWER DOWNLOAD EXAMIANS APP

Compressors, Gas Turbines and Jet Engines
The process, which causes the air to enter the impeller blades of a centrifugal compressor at ________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl.

None of these
Zero
Reduced
Increased

ANSWER DOWNLOAD EXAMIANS APP

Compressors, Gas Turbines and Jet Engines
In gas turbines, high thermal efficiency is obtained in

Closed cycle & Open cycle
Closed cycle
Open cycle
Closed/open depending on other considerations

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Compressors, Gas Turbines and Jet Engines

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑