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MCQs

Total Questions : 1058 | Page 106 of 106 pages
Question 1051. The efficiency of Diesel cycle depends upon
  1.    Pressure ratio
  2.    Temperature limits
  3.    Cut-off ratio and compression ratio
  4.    Compression ratio
 Discuss Question
Answer: Option C. -> Cut-off ratio and compression ratio
Question 1052. The work ratio of simple gas turbine cycle depends upon
  1.    Pressure ratio
  2.    Maximum cycle temperature
  3.    All of these
  4.    Minimum cycle temperature
 Discuss Question
Answer: Option C. -> All of these
Question 1053. The efficiency of Carnot cycle depends upon
  1.    Pressure ratio
  2.    Temperature limits
  3.    Cut-off ratio and compression ratio
  4.    Volume compression ratio
 Discuss Question
Answer: Option B. -> Temperature limits
Question 1054. Carnot cycle efficiency is maximum when
  1.    Difference between initial and final temperature is 0°K
  2.    Final temperature is 0°C
  3.    Final temperature is 0°K
  4.    Initial temperature is 0°K
 Discuss Question
Answer: Option C. -> Final temperature is 0°K
Question 1055. The efficiency of the Carnot cycle may be increased by
  1.    Increasing the highest temperature
  2.    Decreasing the highest temperature
  3.    Keeping the lowest temperature constant
  4.    Increasing the lowest temperature
 Discuss Question
Answer: Option A. -> Increasing the highest temperature
Question 1056. One kg of carbon monoxide requires 4/7 kg of oxygen and produces
  1.    8/3 kg of carbon monoxide gas
  2.    7/3 kg of carbon monoxide gas
  3.    11/7 kg of carbon dioxide gas
  4.    11/3 kg of carbon dioxide gas
 Discuss Question
Answer: Option C. -> 11/7 kg of carbon dioxide gas
Question 1057. The distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated and re-condensed, then the liquid with the next higher boiling point is then evaporated and re-condensed, and so on until all the available liquid fuels are separately recovered in the sequence of their boiling points. Such a process is called
  1.    Cracking
  2.    Fractional distillation
  3.    Full distillation
  4.    Carbonisation
 Discuss Question
Answer: Option B. -> Fractional distillation
Question 1058. One kg of hydrogen requires 8 kg of oxygen and produces
  1.    1 kg of water
  2.    7 kg of water
  3.    8 kg of water
  4.    9 kg of water
 Discuss Question
Answer: Option D. -> 9 kg of water

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