Lakshya Education MCQs

Question: The following cycle is used for air craft refrigeration
Options:
A. Brayton cycle
B. Joule cycle
C. Carnot cycle
D. Reversed Brayton cycle
Answer: Option D

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More Questions on This Topic :

Question 1. A perfect gas at 27°c is heated at constant pressure till its volume is double. the final temperature is
  1.     54°C
  2.     327°C
  3.     108°C
  4.     654°C
Answer: Option B
Question 2. According to avogadro's hypothesis
  1.     The molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature
  2.     The sum of partial pressure of mixture of two gases is sum of the two
  3.     Product of the gas constant and the molecular weight of an ideal gas is constant
  4.     Gases have two values of specific heat
Answer: Option A
Question 3. In closed cycle gas turbine, the air is compressed
  1.     Isothermally
  2.     Isentropically
  3.     Polytropically
  4.     None of these
Answer: Option B
Question 4. The amount of heat required to raise the temperature of __________ water through one degree is called kilojoules.
  1.     1 g
  2.     10 g
  3.     100 g
  4.     1000 g
Answer: Option D
Question 5. In closed cycle gas turbine, the air is compressed
  1.     Isothermally
  2.     Isentropically
  3.     Polytropically
  4.     None of these
Answer: Option B
Question 6. The amount of heat required to raise the temperature of __________ water through one degree is called kilojoules.
  1.     1 g
  2.     10 g
  3.     100 g
  4.     1000 g
Answer: Option D

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