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MCQs

Total Questions : 1058 | Page 104 of 106 pages
Question 1031. Steam coal is a
  1.    Coking bituminous coal
  2.    Pulverized coal
  3.    Non-coking bituminous coal
  4.    Brown coal
 Discuss Question
Answer: Option C. -> Non-coking bituminous coal
Question 1032. To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is
  1.    Divided by its molecular weight
  2.    Multiplied by its specific weight
  3.    Multiplied by its molecular weight
  4.    Multiplied by its density
 Discuss Question
Answer: Option C. -> Multiplied by its molecular weight
Question 1033. The value of specific heat at constant pressure (cp) is __________ that of at constant volume (cv).
  1.    Less than
  2.    More than
  3.    Equal to
  4.    None of these
 Discuss Question
Answer: Option B. -> More than
Question 1034. When the gas is heated at constant pressure, the heat supplied
  1.    Increases the internal energy of the gas
  2.    Does some external work during expansion
  3.    Increases the temperature of the gas
  4.    Both (B) and (C)
 Discuss Question
Answer: Option D. -> Both (B) and (C)
Question 1035. When a gas is heated at constant volume
  1.    Both temperature and pressure will increase
  2.    Its temperature will increase
  3.    Neither temperature nor pressure will increase
  4.    Its pressure will increase
 Discuss Question
Answer: Option A. -> Both temperature and pressure will increase
Question 1036. According to Avogadro’s law
  1.    The product of the gas constant and the molecular mass of an ideal gas is constant
  2.    The sum of partial pressure of the mixture of two gases is sum of the two
  3.    All of these
  4.    Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules
 Discuss Question
Answer: Option D. -> Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules
Question 1037. When the gas is heated at constant volume, the heat supplied
  1.    None of these
  2.    Does some external work during expansion
  3.    Increases the internal energy of the gas and increases the temperature of the gas
  4.    Both (A) and (B)
 Discuss Question
Answer: Option C. -> Increases the internal energy of the gas and increases the temperature of the gas
Question 1038. Which of the following is the lightest and most volatile liquid fuel?
  1.    Gasoline
  2.    Fuel oil
  3.    None of these
  4.    Kerosene
 Discuss Question
Answer: Option A. -> Gasoline
Question 1039. Carnot cycle has maximum efficiency for
  1.    Petrol engine
  2.    Reversible engine
  3.    Diesel engine
  4.    Irreversible engine
 Discuss Question
Answer: Option B. -> Reversible engine
Question 1040. Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure
  1.    Volume
  2.    Mass
  3.    Enthalpy
  4.    Entropy
 Discuss Question
Answer: Option A. -> Volume

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