Engineering :: Energy Conversion
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| 201. |
Which of the following colour has wavelength between green and red colour? |
| A. |
Yellow |
B. |
Blue |
| C. |
Violet |
D. |
All of the above |
| E. |
None of the above |
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Answer: Option A
Explanation:
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| 202. |
The vacuum inside a incandescent lamp is of the order of |
| A. |
10-2 mm Hg |
B. |
10-3 mm Hg |
| C. |
10-4 mm Hg |
D. |
10-5 mm Hg |
| E. |
10-6 mm Hg |
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Answer: Option C
Explanation:
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| 203. |
In a fluorescent tube circuit, choke acts as a |
| A. |
A starter |
B. |
A source of heat |
| C. |
A device for improving the power factor |
D. |
A current limiting device |
| E. |
None of the above |
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Answer: Option D
Explanation:
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| 204. |
Diesel locomotives in India are manufactured at |
| A. |
Bangalore |
B. |
Parambur |
| C. |
Chitranjan |
D. |
Varanasi |
| E. |
Ajmer |
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Answer: Option D
Explanation:
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| 205. |
Maximum horse power of a steam locomotive is |
Answer: Option C
Explanation:
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| 206. |
Long distance electric trains take power on |
| A. |
600 V dc |
B. |
1500 V dc |
| C. |
25 kV single phase ac |
D. |
25 kV two phase ac |
| E. |
25 kV three phase ac |
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Answer: Option C
Explanation:
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| 207. |
Which of the following method can be used for heating wood? |
| A. |
Carbon arc heating |
B. |
Tungsten arc heating |
| C. |
Dielectric heating |
D. |
Oil burner heating |
| E. |
Resistance heating |
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Answer: Option C
Explanation:
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| 208. |
In case the supply frequency is reduced from 50 Hz to 1 Hz which method of heating will be least affected? |
| A. |
Resistance heating |
B. |
Dielectric heating |
| C. |
Induction heating |
D. |
All of the above |
| E. |
None of the above |
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Answer: Option A
Explanation:
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| 209. |
Spot the odd one out |
| A. |
Colloidal fuel |
B. |
Acid sludge |
| C. |
Tar |
D. |
Bark |
Answer: Option D
Explanation:
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| 210. |
Raniganj is famous for |
| A. |
Thorium deposits |
B. |
Oil fields |
| C. |
LPG |
D. |
Coal |
Answer: Option D
Explanation:
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