GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
21. | A diesel engine has | ||
A. | one valve | ||
B. | two valves | ||
C. | three valves | ||
D. | four valves | ||
22. | The self ignition temperature of petrol is _____ as compared to diesel oil. | ||
A. | same | ||
B. | lower | ||
C. | higher | ||
D. | none of above | ||
23. | The pressure inside the cylinder is ______ the atmospheric pressure during the exhaust stroke. | ||
A. | equal to | ||
B. | below | ||
C. | above | ||
D. | none of above | ||
24. | The increase of cooling water temperature in petrol engine will ____the knocking tendency. | ||
A. | not effect | ||
B. | decrease | ||
C. | increase | ||
D. | none of above | ||
25. | A carburettor is used to supply | ||
A. | petrol, air and lubricating oil | ||
B. | air and diesel | ||
C. | petrol and lubricating oil | ||
D. | petrol and air | ||