Lakshya Education MCQs

Question: Reciprocating air compressor is best suited for
Options:
A. Large quantity of air at high pressure
B. Small quantity of air at high pressure
C. Small quantity of air at low pressure
D. Large quantity of air at low pressure
Answer: Option B
Explanation :

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More Questions on This Topic :

Question 1. Rotary compressor is best suited for
  1.     Large quantity of air at high pressure
  2.     Small quantity of air at high pressure
  3.     Small quantity of air at low pressure
  4.     Large quantity of air at low pressure
Answer: Option B
Explanation :
Question 2. Volumetric efficiency is
  1.     The ratio of stroke volume to clearance volume
  2.     The ratio of the air actually delivered to the amount of piston displacement
  3.     Reciprocal of compression ratio
  4.     Index of compressor performance
Answer: Option B
Explanation :
Question 3. In a four stage compressor, if the pressure at the first and third stage is 1 bar and 16 bar, then the delivery pressure at the fourth stage will be
  1.     1 bar
  2.     16 bar
  3.     64 bar
  4.     256 bar
Answer: Option C
Explanation :
Question 4. In a four stage compressor, if the pressure at the first and third stage is 1 bar and 16 bar, then the delivery pressure at the fourth stage will be
  1.     1 bar
  2.     16 bar
  3.     64 bar
  4.     256 bar
Answer: Option C
Explanation :
Question 5. In air breathing jet engine, the jet is formed by expanding
  1.     Highly heated atmospheric air
  2.     Solids
  3.     Liquid
  4.     Plasma
Answer: Option A
Explanation :
Question 6. Reciprocating air compressor is best suited for
  1.     Large quantity of air at high pressure
  2.     Small quantity of air at high pressure
  3.     Small quantity of air at low pressure
  4.     Large quantity of air at low pressure
Answer: Option B
Explanation :

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