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Total Questions : 1124 | Page 112 of 113 pages
Question 1111. 2. A 5 BHP engine running at full load would consume diesel of the order of
  1.    0.3 Kg/Hr
  2.    1 Kg/Hr
  3.    3 Kg/Hr
  4.    5 Kg/Hr
 Discuss Question
Answer: Option B. -> 1 Kg/Hr
Question 1112. 0. The following volume of air is required for consuming 1 liter of fuel by a four stroke engine
  1.    1 m3
  2.    5 m3
  3.    5-6 m3
  4.    9-10 m3
 Discuss Question
Answer: Option D. -> 9-10 m3
Question 1113. 1. Pour point of fuel oil is the
  1.    Minimum Temperature To Which Oil Is Heated In Order To Give Off Inflammable Vapours In Sufficient Quantity To Ignite Momentarily When Brought In Contact With A Flame
  2.    Temperature At Which It Solidifies Or Congeals
  3.    It Catches Fire Without External Aid
  4.    Indicated By 90% Distillation Temperature I.E., When 90% Of Sample Oil Has Distilled Off
 Discuss Question
Answer: Option B. -> Temperature At Which It Solidifies Or Congeals
Question 1114. 3. Diesel engine can work on very lean air fuel ratio of the order of 30 : 1. A petrol engine can also work on such a lean ratio provided
  1.    It Is Properly Designed
  2.    Best Quality Fuel Is Used
  3.    Can Not Work As It Is Impossible
  4.    Flywheel Size Is Proper
 Discuss Question
Answer: Option C. -> Can Not Work As It Is Impossible
Question 1115. 4. A diesel engine has
  1.    1 Valve
  2.    2 Valves
  3.    3 Valves
  4.    4 Valves
 Discuss Question
Answer: Option C. -> 3 Valves
Question 1116. 5. The knock in diesel engine occurs due to
  1.    Instantaneous And Rapid Burning Of The First Part Of The Charge
  2.    Instantaneous Auto Ignition Of Last Part Of Charge
  3.    Delayed Burning Of The First Part Of The Charge
  4.    Reduction Of Delay Period
 Discuss Question
Answer: Option A. -> Instantaneous And Rapid Burning Of The First Part Of The Charge
Question 1117. 9. A stoichiometric air-fuel ratio is
  1.    Chemically Correct Mixture
  2.    Lean Mixture
  3.    Rich Mixture For Idling
  4.    Rich Mixture For Over Loads
 Discuss Question
Answer: Option A. -> Chemically Correct Mixture
Question 1118. 7. Volatility of diesel fuel oil is
  1.    Minimum Temperature To Which Oil Is Heated In Order To Give Off Inflammable Vapours In Sufficient Quantity To Ignite Momentarily When Brought In Contact With A Flame
  2.    Temperature At Which It Solidifies or Congeals
  3.    It Catches Fire Without External Aid
  4.    Indicated By 90% Distillation Temperature, i.e., When 90% Of Sample Oil Has Distilled Off
 Discuss Question
Answer: Option D. -> Indicated By 90% Distillation Temperature, i.e., When 90% Of Sample Oil Has Distilled Off
Question 1119. 6. The air-fuel ratio in petrol engines-is controlled by
  1.    Controlling Valve Opening/Closing
  2.    Governing
  3.    Injection
  4.    Carburettion
 Discuss Question
Answer: Option D. -> Carburettion
Question 1120. 8. Which is more viscous lub oil
  1.    SEA 30
  2.    SEA 40
  3.    SEA 80
  4.    SEA 70
 Discuss Question
Answer: Option C. -> SEA 80

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