Mechanical Engineering Questions And Answers :: Ic Engines: part4

Mechanical Engineering : Ic Engines QUESTIONS AND ANSWERS :: part4 : 1 to 5

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

1.Air fuel ratio for idling speed of a petrol engine is approximately

1 : 1
5 : 1
15 : 1
20 : 1.

2.In the opposed piston diesel engine, the combustion chamber is located

above the piston (/;) below the piston
between the pistons
any when
there is no such criterion.
opt 5

3.In the crankcase method of scavenging, the air pressure is produced by

centrifugal pump
natural aspirator
movement of engine piston
reciprocating pump.

4.In loop scavenging, the top of the piston is

convex shaped.

5.Scavenging is usually done to increase

thermal efficiency
power output
fuel consumption
all of the above.

More Ic Engines QUESTIONS AND ANSWERS available in next pages

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