Lakshya Education MCQs

Question: The mean effective pressure of the compressor is the
Options:
A. Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions
B. Volume of air delivered by the compressor
C. Volume of air sucked by the compressor during its suction stroke
D. None of the above
Answer: Option D
Explanation :

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More Questions on This Topic :

Question 1. After-cooler is used to
  1.     Cool the air
  2.     Decrease the delivery temperature for ease in handling
  3.     Cause moisture and oil vapour to drop out
  4.     Reduce volume
Answer: Option C
Explanation :
Question 2. Choose the correct statement
  1.     Gas turbine requires lot of cooling water
  2.     Gas turbine is capable of rapid start up and loading
  3.     Gas turbines has flat efficiency at part loads
  4.     Gas turbines have high standby losses and require lot of maintenance
Answer: Option B
Explanation :
Question 3. Pick up the correct statement
  1.     Closed cycle gas turbine is an I.C engine
  2.     Gas turbine uses same working fluid over and over again
  3.     Ideal efficiency of closed cycle gas turbine plant is more than Carnot cycle efficiency
  4.     Thrust in turbojet is produced by nozzle exit gases
Answer: Option D
Explanation :
Question 4. Pick up the correct statement
  1.     Closed cycle gas turbine is an I.C engine
  2.     Gas turbine uses same working fluid over and over again
  3.     Ideal efficiency of closed cycle gas turbine plant is more than Carnot cycle efficiency
  4.     Thrust in turbojet is produced by nozzle exit gases
Answer: Option D
Explanation :
Question 5. An after-cooler is used to
  1.     Remove impurities from air
  2.     Reduce volume of air
  3.     Cause moisture and oil vapour to drop out
  4.     Cool the air
Answer: Option C
Explanation :
Question 6. After-cooler is used to
  1.     Cool the air
  2.     Decrease the delivery temperature for ease in handling
  3.     Cause moisture and oil vapour to drop out
  4.     Reduce volume
Answer: Option C
Explanation :

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