Mechanical Engineering : Ic Engines QUESTIONS AND ANSWERS :: part2 : 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.As a result of detonation in an I.C. engine, following parameter attains very high value |
| peak pressure |
| rate of rise of pressure |
| rate of rise of temperature |
| peak temperature |
| rate of rise of horse-power. |
22.The inlet value of a four stroke cycle I.C engine remains open for nearly |
| 180� |
| 125� |
| 235� |
| 200� |
| 275�. |
23.The precess of breaking up or a liquid into fine droplets by spraying is called |
| vaporisation |
| carburetion |
| ionisation |
| injection |
| atomisation. |
24.Which of the following statements is cor�rect? |
| All the irreversible engines have same efficiency |
| All the reversible engines have same efficiency |
| Both Rankine and Caront cycles have same efficiency between same tempera�ture limits |
| All reversible engines working between same temperature limits have same-ef-ficiency |
| Between same temperature limits, both petrol and diesel engines have same ef-ficiency. |
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