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MCQs

Total Questions : 1058 | Page 80 of 106 pages
Question 791. Which of the following items is not a path function?
  1.    Kinetic energy
  2.    Work
  3.    Thermal conductivity
  4.    Heat
 Discuss Question
Answer: Option C. -> Thermal conductivity
Question 792. The absolute zero pressure can be attained at a temperature of
  1.    -273°C
  2.    None of these
  3.    0°C
  4.    273 K
 Discuss Question
Answer: Option B. -> None of these
Question 793. Mixture of ice and water form a
  1.    Closed system
  2.    Heterogeneous system
  3.    Open system
  4.    Isolated system
 Discuss Question
Answer: Option B. -> Heterogeneous system
Question 794. Molecular volume of any perfect gas at 600 × 103 N/m² and 27°C will be
  1.    400 m3/kg mol
  2.    4.17 m3/kg mol
  3.    41.7 m3/kg mol
  4.    0.15 m3/kg mol
 Discuss Question
Answer: Option B. -> 4.17 m3/kg mol
Question 795. The entropy may be expressed as a function of
  1.    All of these
  2.    Pressure and temperature
  3.    Heat and work
  4.    Temperature and volume
 Discuss Question
Answer: Option B. -> Pressure and temperature
Question 796. A molecule consisting of one atom is known as
  1.    Di-atomic
  2.    Tri-atomic
  3.    Mono-atomic
  4.    Poly-atomic
 Discuss Question
Answer: Option C. -> Mono-atomic
Question 797. The value of cp/cv for air is
  1.    1.4
  2.    1.45
  3.    2.3
  4.    1
 Discuss Question
Answer: Option A. -> 1.4
Question 798. Carbonization of coal consists of
  1.    Moulding the finely ground coal under pressure with or without a binding material
  2.    Heating the wood with a limited supply of air to temperature not less than 280°C
  3.    Drying and crushing the coal to a fine powder
  4.    None of these
 Discuss Question
Answer: Option D. -> None of these
Question 799. Which of the following gas has the highest calorific value?
  1.    Producer gas
  2.    Coal gas
  3.    Blast furnace gas
  4.    Mond gas
 Discuss Question
Answer: Option B. -> Coal gas
Question 800. One molecule of oxygen consists of __________ atoms of oxygen.
  1.    4
  2.    16
  3.    2
  4.    8
 Discuss Question
Answer: Option C. -> 2

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