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IC Engine MCQ Questions

  1. The ignition quality of petrol is expressed by -
  2. The probability of knocking in diesel engines is increased by -
  3. The maximum temperature in the I.C. engine cylinder is of the order of -
  4. An engine indicator is used to determine the following
  5. The pressure at the end of compression in the case of diesel engine is of the order of
  6. It the temperature of intake air in IC engines is lowered, then its efficiency will
  7. Which of the following medium is compressed in a Diesel engine cylinder?
  8. A stoichiometric air-fuel ratio is
  9. The compression ignition engines are governed by
  10. The reason for supercharging in any engine is to
  11. The process of breaking up or a liquid into fine droplets by spraying is called
  12. In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have
  13. In loop scavenging, the top of the piston is
  14. The knocking tendency in compression ignition engines for a given fuel will be
Last Updated: Aug 31, 2022,
Posted in Interview Questions,
20 Questions
IC Engines MCQ

Practice IC Engines MCQ Quiz to Test Your Knowledge

Practice here the best IC Engines MCQ Questions that check your basic knowledge of IC Engines. This IC Engines MCQ Test contains around 20+ Multiple Choice Questions. You have to select the right answer to every question to check your final preparation. apart from this, you can also download here the IC Engines MCQ PDF completely free.

  • Octane number
  • Cetane number
  • Calorific value
  • All of these
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  • High self ignition temperature
  • Low volatility
  • Higher viscosity
  • All of these
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  • 2000-2500°C
  • 1500-2000°C
  • 1000-1500°C
  • 500-1000°C
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  • Temperature
  • Speed
  • Volume of cylinder
  • M.E.P. and I.H.P.
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  • Decrease
  • Increase
  • Remain same
  • Increase up to certain limit and then decrease
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  • Chemically correct mixture
  • Rich mixture for idling
  • Lean mixture
  • Rich mixture for over loads
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  • Qualitative governing
  • Hit and miss governing
  • Quantitative governing
  • None of these
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  • Increase efficiency
  • Reduce weight and bulk for a given output
  • Increase power
  • Effect fuel economy
Read Best: IC Engine Interview Questions
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  • Contoured
  • Slanted
  • Depressed
  • Flat
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  • Enhanced by increasing compression ratio
  • Enhanced by decreasing compression ratio
  • Dependent on other factors
  • None of the above
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  • Volumetric efficiency
  • Relative efficiency
  • Overall efficiency
  • Mechanical efficiency
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  • Forced air for cooling cylinder
  • Air used for combustion sent under pressure
  • Burnt air containing products of combustion
  • Air used for forcing burnt gases out of engine's cylinder during the exhaust period
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  • Wear is less
  • Absorbs shocks
  • Is lighter
  • Is stronger
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  • Compression ratio
  • Fuel used
  • Speed of engine
  • None of these
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