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Question 1. An isolated system is one in which
  1.     Mass does not cross boundaries of the system, though energy may do so
  2.     Neither mass nor energy crosses the boundaries of the system
  3.     Both energy and mass cross the boundaries of the system
  4.     Mass crosses the boundary but not the energy
Answer: Option B

Question 2. Which of the following is the extensive property of a thermodynamic system?
  1.     Pressure
  2.     Volume
  3.     Temperature
  4.     Density
Answer: Option B

Question 3. Second law of thermodynamics defines
  1.     Heat
  2.     Work
  3.     Internal energy
  4.     Entropy
Answer: Option D

Question 4. If value of n is infinitely large in a polytropic process pvn = c, then the process is known as constant
  1.     Volume
  2.     Pressure
  3.     Temperature
  4.     Enthalpy
Answer: Option A

Question 5. Which of the following has the minimum atomic mass?
  1.     Sulphur
  2.     Nitrogen
  3.     Oxygen
  4.     Carbon
Answer: Option D

Question 6. Universal gas constant is defined as equal to product of the molecular weight of the gas and
  1.     Specific heat at constant pressure
  2.     Specific heat at constant volume
  3.     Ratio of two specific heats
  4.     Gas constant
Answer: Option D