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MCQs

Total Questions : 1058 | Page 74 of 106 pages
Question 731. Temperature of a gas is produced due to
  1.    Its heating value
  2.    Kinetic energy of molecules
  3.    Surface tension of molecules
  4.    Repulsion of molecules
 Discuss Question
Answer: Option B. -> Kinetic energy of molecules
Question 732. The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant)
  1.    Ru × T
  2.    1.5 Ru × T
  3.    3 Ru × T
  4.    2 Ru × T
 Discuss Question
Answer: Option B. -> 1.5 Ru × T
Question 733. Extensive property of a system is one whose value
  1.    Is dependent on the path followed and not on the state
  2.    Depends on the mass of the system like volume
  3.    Is not dependent on the path followed but on the state
  4.    Does not depend on the mass of the system, like temperature, pressure, etc.
 Discuss Question
Answer: Option B. -> Depends on the mass of the system like volume
Question 734. A cycle consisting of ___ and two isothermal processes is known as Stirling cycle.
  1.    Two constant pressure
  2.    Two isentropic
  3.    One constant pressure, one constant volume
  4.    Two constant volume
 Discuss Question
Answer: Option D. -> Two constant volume
Question 735. The behavior of a perfect gas, undergoing any change in the variables which control physical properties, is governed by
  1.    Boyle's law
  2.    Charles' law
  3.    All of the listed here
  4.    Gay-Lussac law
 Discuss Question
Answer: Option C. -> All of the listed here
Question 736. In an isothermal process
  1.    There is no change in internal energy
  2.    There is no change in temperature
  3.    All of the listed here
  4.    There is no change in enthalpy
 Discuss Question
Answer: Option C. -> All of the listed here
Question 737. When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as
  1.    Thermodynamic law
  2.    Thermodynamic cycle
  3.    None of the listed here
  4.    Thermodynamic process
 Discuss Question
Answer: Option D. -> Thermodynamic process
Question 738. An isothermal process is governed by
  1.    Charles' law
  2.    Boyle's law
  3.    Avogadro's law
  4.    Gay-Lussac law
 Discuss Question
Answer: Option B. -> Boyle's law
Question 739. Barometric pressure is equal to
  1.    760 mm Hg
  2.    735.6 mm Hg
  3.    1 mm Hg
  4.    Zero mm Hg
 Discuss Question
Answer: Option A. -> 760 mm Hg
Question 740. One barometric pressure or 1 atmospheric pressure is equal to
  1.    1.033 kgf/cm²
  2.    1.0197 kgf/cm²
  3.    1 kgf/cm²
  4.    0 kgf/cm²
 Discuss Question
Answer: Option A. -> 1.033 kgf/cm²

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