Engineering :: Energy Conversion
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| 161. |
Gas turbines are widely used in |
| A. |
Power generation |
B. |
Locomotive |
| C. |
Ship |
D. |
Aircraft |
| E. |
Pumping stations |
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Answer: Option D
Explanation:
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| 162. |
In a diesel engine, the consumption of diesel oil per BHP per hour is nearly |
| A. |
10 grams |
B. |
100 grams |
| C. |
200 grams |
D. |
850 grams |
| E. |
1250 grams |
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Answer: Option C
Explanation:
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| 163. |
High horse power diesel engines are usually started by |
| A. |
Self-starter |
B. |
Cranking |
| C. |
Self-starter or cranking |
D. |
Batteries |
| E. |
Compressed air |
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Answer: Option E
Explanation:
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| 164. |
Which of the following is a petroleum fuel? |
| A. |
Benzol |
B. |
Methyl alcohol |
| C. |
Ethyl alcohol |
D. |
Naphta |
| E. |
None of the above |
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Answer: Option D
Explanation:
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| 165. |
Approximately how many kg of air are required for the combustion of one kg of diesel oil? |
Answer: Option C
Explanation:
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| 166. |
Due to burning of one kg of pure carbon with a minimum quantity of air required, the percentage of carbondioxide in the exhaust gases would be |
Answer: Option C
Explanation:
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| 167. |
Diesel engine fuels are rated by |
| A. |
Octane number |
B. |
HUCR |
| C. |
Cetane number |
D. |
CFR number |
| E. |
Calorific value |
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Answer: Option C
Explanation:
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| 168. |
The formula for Cetane is |
Answer: Option B
Explanation:
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| 169. |
If an engine has spark plugs, it can be safely concluded that it is |
| A. |
a two stroke engine |
B. |
a four stroke engine |
| C. |
a water cooled engine |
D. |
a air cooled engine |
| E. |
not a diesel engine |
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Answer: Option E
Explanation:
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| 170. |
Which of the following needs to be filtered in a diesel engine? |
| A. |
Air only |
B. |
Diesel oil only |
| C. |
Lubrecating oil only |
D. |
Air and diesel oil only |
| E. |
Air, diesel oil and lubricating |
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Answer: Option E
Explanation:
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