Mechanical Engineering : Ic Engines QUESTIONS AND ANSWERS :: part1 : 21 to 25
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
21.An engine indicator is used to determine the following |
| speed |
| temperature |
| volume of cylinder |
| m.e.p. and I.H.P. |
| BHP. |
22.If the intake air temperature of I.C. engine increases, its efficiency will |
| increase |
| decrease |
| remain same |
| unpredictable |
| depend on other factors. |
23.Scavenging air in diesel engine means |
| air used for combustion sent under pres-sure |
| forced air for cooling cylinder |
| burnt air containing products of com-bastion |
| air used for forcing burnt gases out of engine's cylinder during the exhaust period |
| air fuel mixture. |
24.Combustion in compression ignition engines is |
| homogeneous |
| heterogeneous |
| both (a) and (b) |
| laminar |
| turbulent. |
More Ic Engines QUESTIONS AND ANSWERS available in next pages
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