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MCQs

Total Questions : 2441 | Page 8 of 245 pages
Question 71. Which of the following is not a by-product fuel?
  1.    Producer gas
  2.    Blast furnace gas
  3.    Coke oven gas
  4.    Refinery gas
 Discuss Question
Answer: Option A. -> Producer gas
Question 72. Which of the following is not a by-product fuel?
  1.    Sewage gas
  2.    Refinery gas
  3.    Producer gas
  4.    Bagasse
 Discuss Question
Answer: Option C. -> Producer gas
Question 73. Carbon Content by weight in air dried wood may be about __________ percent.
  1.    10
  2.    25
  3.    50
  4.    80
 Discuss Question
Answer: Option C. -> 50
Question 74. Dry air required to burn 1 kg of carbon completely may be around __________ kg.
  1.    11
  2.    2
  3.    20
  4.    38
 Discuss Question
Answer: Option A. -> 11
Question 75. Volatile matter content in coking coal may be about __________ percent.
  1.    1
  2.    7
  3.    22
  4.    46
 Discuss Question
Answer: Option C. -> 22
Question 76. Gobar gas is produced by the __________ of cown dung.
  1.    Fermentation
  2.    Oxidation
  3.    Hydrogenation
  4.    None of these
 Discuss Question
Answer: Option A. -> Fermentation
Question 77. Efficiency of the combustion of a fuel is judged by the __________ the flue gas.
  1.    %of CO₂ in
  2.    % of O₂in
  3.    Temperature of
  4.    Colour of
 Discuss Question
Answer: Option B. -> % of O₂in
Question 78. The catalyst used in shift converter is
  1.    Nickel
  2.    Vanadium
  3.    Silica gel
  4.    Alumina
 Discuss Question
Answer: Option A. -> Nickel
Question 79. Bomb calorimeter can be used to determine the __________ of the coal.
  1.    Sulphur content
  2.    Calorific value
  3.    Both A & B
  4.    Neither A nor B
 Discuss Question
Answer: Option C. -> Both A & B
Question 80. Calorific values of both the solid as well as the liquid fuels can be determined by __________ calorimeter.
  1.    Bomb
  2.    Boy's
  3.    Junkar's
  4.    None of these
 Discuss Question
Answer: Option A. -> Bomb

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