Mechanical Engineering : Thermodynamics QUESTIONS AND ANSWERS :: part6 : 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.The efficiency of Diesei cycle with decrease in cut off |
| increases |
| decreases |
| remains unaffected |
| first increases and then decreases |
| first decreases and then increases. |
12.A cycle consisting of two adiabatic and two constant pressure processes is known as |
| Otto cycle |
| Ericsson cycle |
| Joule cycle |
| Stirling cycle |
| Atkinson cycle. |
13.The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will |
| increase |
| decrease |
| remain unchanged |
| increase/decrease depending on application |
| unpredictable. |
14.Diesel cycle consists of following four processes |
| two isothermals and two isentropics |
| two isentropics, and two constant volumes. |
| two isentropics, one constant volume and one constant pressure |
| two isentropics and two constant pressures |
| none of the above. |
15.Brayton cycle consists of following four processes |
| two isothermals and two isentropics |
| two isentropics and two constant volumes |
| two isentropics, one constant volume and one constant pressure |
| two isentropics and two constant pressures |
| none of the above. |
More Thermodynamics QUESTIONS AND ANSWERS available in next pages
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