GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
26. | A moderator | ||
A. | absorbs neutrons | ||
B. | does not absorb neutrons | ||
C. | accelerates neutrons | ||
D. | none of these | ||
27. | The thermodynamic cycle on which the petrol engine works, is | ||
A. | Otto cycle | ||
B. | Joule cycle | ||
C. | Rankine cycle | ||
D. | Stirling cycle | ||
28. | The inlet valve of a four stroke cycle internal combustion engine remains open for | ||
A. | 130� | ||
B. | 180� | ||
C. | 230� | ||
D. | 270� | ||
29. | The correct mixture strength (by weight) for petrol is about | ||
A. | 14.6:1 | ||
B. | 18.5:1 | ||
C. | 20.4:1 | ||
D. | 22.6:1 | ||
30. | The working pressure and temperature inside the cylinder of an internal combustion engine is _____ as compared to a steam engine. | ||
A. | low | ||
B. | very low | ||
C. | high | ||
D. | very high | ||