Related Questions

In a diesel engine, the duration between the time of injection and ignition, is known as
A Pre-ignition period
B Delay period
C Period of ignition
D Burning period
The Diesel engines as compared to petrol engines require
A Bigger flywheel
B Smaller flywheel
C Same size of flywheel
D No flywheel
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
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
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
The fuel pump of a programmed fuel injection (PFI) system operate for two seconds when the ignition is turned to the start position to
A Enable the pump's fault diagnosis function to operate
B Warm up and lubricate the pump
C Supplies a large amount of fuel and thereby creates a choke effect
D Pressurise the fuel system before the engine is started
In diesel engine, ignition is caused by
A Spark
B Automatic starter
C Compression
D Friction
The self ignition temperature of petrol is _________ as compared to diesel oil.
A Same
B Lower
C Higher
D None of these

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