Surface Ignition Alcohol C.I. Engine MCQ

Test your knowledge with important Surface Ignition Alcohol C.I. Engine MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Surface Ignition Alcohol C.I. Engine MCQs at Bissoy

• Which is the effective inhibitor of pre-ignition?
  ক

  alcohol

  খ

  water

  গ

  lead

  ঘ

  none of the mentioned
• The calorific value of alcohols is _____________ in diesel oil.
  ক

  higher than

  খ

  lower than

  গ

  same

  ঘ

  none of the mentioned
• The compression ratio of alcohol fuel lies between ___________
  ক

  11:1 to 13:1

  খ

  7:1 to 9:1

  গ

  5:1 to 7:1

  ঘ

  none of the mentioned
• Alcohols alone cannot be used in CI engines as ___________
  ক

  their self ignition temperature is high

  খ

  latent heat of vaporization is high

  গ

  all of the mentioned

  ঘ

  none of the mentioned
• Anti-knock characteristics of alcohol when compared to gasoline is?
  ক

  higher

  খ

  lower

  গ

  equal

  ঘ

  none of the mentioned
• Methanol by itself is not a good CI engine fuel because ___________
  ক

  its octane number is high

  খ

  its cetane number is low

  গ

  all of the mentioned

  ঘ

  none of the mentioned
• Small amount of gasoline is added to alcohol to ___________
  ক

  reduce the emission

  খ

  to increase the power output

  গ

  to increase the efficiency

  ঘ

  to improve cold weather starting
• Stoichiometric air-fuel ratio of alcohol when compared to gasoline is?
  ক

  higher

  খ

  lower

  গ

  equal

  ঘ

  none of the mentioned
• What is the mixture of Gasohol?
  ক

  90% ethanol + 10% gasoline

  খ

  10% ethanol + 90% gasoline

  গ

  40% ethanol + 60% gasoline

  ঘ

  50% ethanol + 50% gasoline