Mechanical Engineering Questions And Answers :: Ic Engines: part3



Mechanical Engineering : Ic Engines QUESTIONS AND ANSWERS :: part3 : 16 to 20

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

16.The operation of forcing additional air under pressure in the engine cylinder is known as

scavenging
turbulence
supercharging
pre-ignition
dissociation and carburretion of fuel.

17.Which of the following is false statement : Excess quantities of sulphur in diesel fuel are Objectionable because it may cause the following

piston ring and cylinder wear
formation of hard coating on piston skirts
oil sludge in the engine crank case
detonation
forms corrosive acids.

18.The reason for supercharging in any engine is to

increase efficiency
increase power
reduce weight and bulk for a given out-put
effect fuel economy
none of the above.

19.Supercharging is essential in

diesel engines
gas turbines
petrol engines
aircraft engines
marine engines.

20.In a cycle, the spark lasts roughly for

1 sec
0.1 sec
0.01 sec
0.001 sec
0.0001 sec.

More Ic Engines QUESTIONS AND ANSWERS available in next pages

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