Related Questions

The most accurate ignition system of a spark ignition engine is
A Magneto system
B Battery system
C Electronic control unit system
D Magneto and electronic system
The ignition in a spark ignition engine takes place when the piston is
A Exactly at the T.D.C. position on its compression stroke
B Approaching the T.D.C. position on its compression stroke
C Leaving the T.D.position on its compression stroke
D Approaching the T.D.C. position on its exhaust stroke
The auto ignition in a spark ignition engine means
A Automatic ignition of the charge at the end of compression
B Ignition induced by the passage of a spark
C Ignition of the charge before the passage of flame front
D Ignition induced to supplement the process of normal combustion
In a engineering, test, a rocket sled is propelled into a target. If the sled's distance d in meters from the target is given by the fomula d = - 1.5 t2+120, where t is the number of seconds after rocket ignition, then how many seconds have passed since rocket ignition when the sled is 10 meters from the target?
A 2.58
B 8.59
C 8.94
D 9.31
A basic difference between the spark ignition engine and the Diesel engine is that the
A Diesel engine compresses air alone instead of an air-fuel mixture
B Air temperature ignites the fuel in the Diesel engine
C Fuel is sprayed into the combustion chamber in the Diesel engine as the piston nears T.D.on the compression stroke
D All of the above
Theoretically, a four stroke cycle engine should develop _________ power as that of a two stroke cycle engine.
A Half
B Same
C Double
D Four times
Which of the following does not relate to a compression ignition engine?
A Fuel pump
B Fuel injector
C Governor
D Carburetor
Which one of the following event would reduce volumetric efficiency of a vertical compression ignition engine?
A inlet valve closing before bottom dead centre
B inlet valve closing after bottom dead centre
C inlet valve opening before top dead centre
D exhaust valve closing after top dead centre
In diesel engine, ignition is caused by
A Spark
B Automatic starter
C Compression
D Friction
The ignition of the charge by some hot surface within the engine before the passage of spark is called
A Pre-ignition
B Detonation
C Ignition delay
D Auto-ignition

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