Civil Engineering - GATE Exam Questions
Exercise :: GATE Exam Questions - Section 3
| 1. |
If the pump head is 75 m, discharge is 0.464 m3/s and the motor speed is 1440 rpm at rated condition, the specific speed of the pump is about |
Answer: Option C
Explanation:
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| 2. |
When a retaining wall moves away from the backfill, the pressure exerted on the wall is termed as |
| A. |
passive earth pressure | | B. |
swelling pressure | | C. |
pore pressure | | D. |
active earth pressure |
Answer: Option D
Explanation:
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| 3. |
Two primary air pollutants are |
| A. |
sulphur oxide and ozone | | B. |
nitrogen oxide and peroxyacetylnitrate | | C. |
sulphur oxide and hydrocarbon | | D. |
ozone and peroxyacetynitrate |
Answer: Option C
Explanation:
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| 4. |
Flocculation is a process |
| A. |
that removes algae from stabilization pond effluent | | B. |
that promotes the aggregation of small particles into larger particles to enhance their removal by gravity | | C. |
both (a) and (b) | | D. |
none of these. |
Answer: Option B
Explanation:
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| 5. |
The effective length of a circular electric pole of length L and constant diameters erected on ground is, |
Answer: Option D
Explanation:
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