Related Questions

Antiknock for compression ignition engines is
A Napthene
B Tetra ethyl lead
C Amyl nitrate
D Hexadecane
In practice, the compression ratio of compression-ignition (CI) engine ranges from
A 15 to 25
B 5 to 10
C 40 to 55
D 60 to 70
The injector nozzle of a compression ignition engine is required to inject fuel at a sufficiently high pressure in order to
A Inject fuel in a chamber of high pressure at the end of compression stroke
B Inject fuel at a high velocity to facilitate atomization
C Ensure that penetration is not high
D All of the above
The pilot of a small aircraft with a 40 gallon fuel tank wants to fly to Cleveland , which is 480 miles engine , which can fly only 8 miles per gallon, will not get him there , By how many miles per gallon must the aircraft's fuel efficiency be improved to make the fight to Cleveland possible?
A 160
B 12
C 40
D 4
If the air-fuel mixture in a spark ignition engine is too rich, then air-fuel ratio is about
A 17 : 1
B 15 : 1
C 13 : 1
D 10 : 1
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 knocking tendency in compression ignition engines for a given fuel will be
A Enhanced by decreasing compression ratio
B Enhanced by increasing compression ratio
C Dependent on other factors
D None of the above
Which of the following does not relate to a compression ignition engine?
A Fuel pump
B Fuel injector
C Governor
D Carburetor

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