Mechanical Engineering : Ic Engines QUESTIONS AND ANSWERS :: part4 : 11 to 15
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
11.Installation of supercharger on a four-cycle diesel engine can result in the following percentage increase in power |
| upto 25% |
| upto 35% |
| upto 50% |
| upto 75% |
| upto 100%. |
12.A hmh flame speed is obtained in diesel engine when air fuel ratio is |
| uniform throughout the mixture |
| chemically correct mixture |
| about 3-5% rich mixture |
| about 10% rich mixture |
| about 10% lean mixture. |
13.The following volume of air is required for consuming 1 liter of fuel by a four stroke engine |
| 1 m3 |
| 5 m3 |
| 5-6 m3 |
| 9-10 m3 |
| 15-18 m3. |
14.The air-fuel ratio in petrol engines-is controlled by |
| controlling valve opening/closing |
| governing |
| injection |
| carburettion |
| scavenging and supercharging. |
15.A 5 BHP engine running at full load would consume diesel of the order of |
| 0.3 kg/hr |
| 1 kg/hr |
| 3 kg/hr |
| 5 kg/hr |
| 10 kg/hr. |
More Ic Engines QUESTIONS AND ANSWERS available in next pages
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