Engineering :: Energy Conversion
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| 181. |
First aid for an electric shock victim is |
| A. |
Bandage |
B. |
Massage |
| C. |
Pouring water on body |
D. |
Rubbing the skin |
| E. |
Artificial respiration |
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Answer: Option E
Explanation:
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| 182. |
For extinguishing electrical fires |
| A. |
Water should be sprinkled |
B. |
Conductors should be erthed |
| C. |
Rubber pieces should be thrown |
D. |
Carbon tetrachloride fire extinguisher should be used |
| E. |
Carbondioxide fire extinguisher should be used |
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Answer: Option D
Explanation:
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| 183. |
The standard frequency of electric power supply in India is |
Answer: Option B
Explanation:
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| 184. |
Candela is the unit of |
| A. |
Luminous flux |
B. |
Luminous intensity |
| C. |
Wavelength |
D. |
Brightness |
| E. |
None of the above |
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Answer: Option B
Explanation:
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| 185. |
The unit of luminous flux is |
| A. |
Steradian |
B. |
Candela |
| C. |
Lumen |
D. |
Lux |
| E. |
None of the above |
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Answer: Option C
Explanation:
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| 186. |
Illumination due to moonlight is nearly |
| A. |
0.3 lumen/meter2 |
B. |
1.8 lumens/meter2 |
| C. |
18 lumens/meter2 |
D. |
30 lumens/meter2 |
| E. |
300 lumens/meter2 |
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Answer: Option A
Explanation:
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| 187. |
Which of the following will need highest level of illumination? |
| A. |
Proof reading |
B. |
Bed rooms |
| C. |
Hospital wards |
D. |
Railway platforms |
| E. |
Foyer for cinema halls |
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Answer: Option A
Explanation:
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| 188. |
Which of the following will need the lower level of illumination? |
| A. |
Display |
B. |
Railway platform |
| C. |
Auditoriums |
D. |
Hospital wards |
| E. |
Green rooms |
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Answer: Option B
Explanation:
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| 189. |
The standard wattage of 4 feet fluorescent tube is |
Answer: Option B
Explanation:
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| 190. |
For the same wattage, which of the following lamp is cheapest? |
| A. |
Sodium vapour lamp |
B. |
Mercury vapour lamp |
| C. |
Fluorescent tube 4 ft. |
D. |
Fluorescent tube 2 ft. |
| E. |
GLS lamp |
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Answer: Option E
Explanation:
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