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MCQs

Total Questions : 1124 | Page 108 of 113 pages
Question 1071. 0. Which of the following medium is compressed in a Diesel engine cylinder
  1.    Air Alone
  2.    Air And Fuel
  3.    Air And Lub Oil
  4.    Fuel Alone
 Discuss Question
Answer: Option A. -> Air Alone
Question 1072. 2. Diesel fuel, compared to petrol is
  1.    Less Difficult To Ignite
  2.    Just About The Same Difficult To Ignite
  3.    More Difficult To Ignite
  4.    Highly Ignitable
 Discuss Question
Answer: Option C. -> More Difficult To Ignite
Question 1073. 9. The accumulation of carbon in a cylinder results in increase of
  1.    Clearance Volume
  2.    Volumetric Efficiency
  3.    Ignition Time
  4.    Effective Compression Ratio
 Discuss Question
Answer: Option D. -> Effective Compression Ratio
Question 1074. 3. In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of
  1.    250°C
  2.    500°C
  3.    1000°C
  4.    1500°C
 Discuss Question
Answer: Option C. -> 1000°C
Question 1075. 4. When crude oil is heated, then which of the following hydrocarbon is given off first.
  1.    Kerosene
  2.    Gasoline
  3.    Natural Gas
  4.    Diesel
 Discuss Question
Answer: Option C. -> Natural Gas
Question 1076. 5. The rating of a diesel engine, with increase in air inlet temperature, will
  1.    Increase Linearly
  2.    Decrease Linearly
  3.    Increase Parabolically
  4.    Decrease Parabolically
 Discuss Question
Answer: Option B. -> Decrease Linearly
Question 1077. 8. Gaseous-fuel guarantees are based on
  1.    Calorific Value of oil
  2.    Low Heat Value of oil
  3.    High Heat Value of oil
  4.    Mean Heat Value of oil
 Discuss Question
Answer: Option B. -> Low Heat Value of oil
Question 1078. 9. Fuel consumption of diesel engines is not guaranteed at one quarter load because at such low loads
  1.    The Friction Is High
  2.    The Friction Is Unpredictable
  3.    The Small Difference In Cooling Water Temperature Or In Internal Friction Has A Disproportionate Effect
  4.    The Engine Is Rarely Operated
 Discuss Question
Answer: Option C. -> The Small Difference In Cooling Water Temperature Or In Internal Friction Has A Disproportionate Effect
Question 1079. 7. A heat engine utilizes the
  1.    Calorific Value Of Oil
  2.    Low Heat Value Of
  3.    High Heat Value Of Oil
  4.    Mean Heat Value Of Oil
 Discuss Question
Answer: Option C. -> High Heat Value Of Oil
Question 1080. 6. A 75 cc engine has following parameter as 75 cc
  1.    Fuel Tank Capacity
  2.    Lub Oil Capacity
  3.    Swept Volume
  4.    Cylinder Volume
 Discuss Question
Answer: Option C. -> Swept Volume

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