Engineering :: Energy Conversion
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171. |
The specific gravity of diesel oil is closer to |
Answer: Option D
Explanation:
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172. |
Which of the following engine has the highest air-fuel ratio? |
A. |
Gas engine |
B. |
Petrol engine |
C. |
Diesel engine |
D. |
Gas turbine |
E. |
All above has got nearly same air fuel ratio |
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Answer: Option D
Explanation:
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173. |
If a diesel engine has a turbochanger, it can be concluded that the engine is |
A. |
Double acting type |
B. |
Air cooled type |
C. |
High speed type |
D. |
Supercharged type |
E. |
Pressure lubricated |
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Answer: Option D
Explanation:
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174. |
A tidal power plant is being installed in India near |
A. |
Bay of Bengal |
B. |
Vishakhapatnam |
C. |
Cochin |
D. |
Goa |
E. |
Gulf of Cambay |
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Answer: Option E
Explanation:
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175. |
Which of the following domestic utility item consumes maximum power? |
A. |
Exhaust fan |
B. |
Refrigerator |
C. |
Cooking range |
D. |
Mixer grinder |
E. |
Ceiling fan |
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Answer: Option C
Explanation:
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176. |
Which of the following domestic utility item consumes least power? |
A. |
Toaster |
B. |
Heat convector |
C. |
Desert cooler |
D. |
Electric shaver |
E. |
Electric iron |
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Answer: Option D
Explanation:
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177. |
A 200 MW generator will invariably be |
A. |
Air cooled |
B. |
Pressurised air cooled |
C. |
Hydrogen cooled |
D. |
Oxygen cooled |
E. |
Nitrogen cooled |
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Answer: Option C
Explanation:
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178. |
The effect of electric shock on human body depends on |
A. |
Voltage |
B. |
Current |
C. |
Duration of contact |
D. |
All of the above |
E. |
None of the above |
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Answer: Option D
Explanation:
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179. |
Death is almost certain when the current through human body is |
A. |
10 micro-amperes |
B. |
25 micro-amperes |
C. |
100 micro-amperes |
D. |
10 milli-amperes |
E. |
100 milli-amperes |
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Answer: Option E
Explanation:
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180. |
HRC fuses provide best protection against |
A. |
Short circuits |
B. |
Ligntning |
C. |
Sparking |
D. |
Fire |
E. |
All of the above |
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Answer: Option A
Explanation:
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