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Internal Combustion Engines

Internal Combustion Engines
The process of breaking up or a liquid into fine droplets by spraying is called

Ionization
Atomization
Carburetion
Vaporisation

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Internal Combustion Engines
Gaseous fuel guarantees are based on

Low heat value of oil
Calorific value of oil
High heat value of oil
Mean heat value of oil

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Internal Combustion Engines
The voltage required to produce a spark across the gap, between the sparking points is

6000 to 10,000 volts
2000 to 4000 volts
10,000 to 12,000 volts
4000 to 6000 volts

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Internal Combustion Engines
The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will

Be independent
Increase
Decrease
May increase or decrease depending on other factors

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Internal Combustion Engines
By higher octane number of spark ignition fuel, it is meant that the fuel has

Higher flash point
Longer ignition delay
Lower volatility
Higher heating value

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Internal Combustion Engines
In order to eliminate knocking in compression ignition engines, there should be

Short delay period
Low compression ratio
Late auto-ignition
High self ignition temperature of fuel

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MORE MCQ ON Internal Combustion Engines

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