Ic Engines QUESTIONS AND ANSWERS

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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Mechanical Engineering Questions And Answers :: Ic Engines: part3

Ic Engines QUESTIONS AND ANSWERS

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