Civil Engineering - SI Units
Exercise :: SI Units - Section 1
| 21. |
Hertz (Hz) is used to express |
| A. |
Luminous intensity | | B. |
electric current intensity | | C. |
power | | D. |
frequency. |
Answer: Option D
Explanation:
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| 22. |
Candela (Cd) is used to express |
| A. |
luminous intensity | | B. |
electric current intensity | | C. |
power | | D. |
frequency. |
Answer: Option A
Explanation:
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| 23. |
The unit kg/m3 is used for |
Answer: Option B
Explanation:
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| 24. |
The fundamental units in S.I. System are : |
| A. |
Centimetre, gram, second | | B. |
Foot, pound, second | | C. |
Metre, kilogram, second | | D. |
Kilometre, kilogram, minute | | E. |
None of these. |
Answer: Option C
Explanation:
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| 25. |
The bar used for defining the standard metre at the International office of weights and measures at Sevres near Paris, is composed of |
| A. |
50% platinum and 50% iridium | | B. |
60% platinum and 40% iridium | | C. |
70% platinum and 30% iridium | | D. |
80% platinum and 20% iridium | | E. |
90% platinum and 10% iridium |
Answer: Option E
Explanation:
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