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Civil Engineering - UPSC Civil Service Exam Questions

Exercise : UPSC Civil Service Exam Questions - Section 7
11.
Which of the following treatments reduce salinity of water
1. Flash mixing and sedimentation
2. Electrodialysis
3. Reverse osmosis
4. Freezing
5. Filtration
Select the correct answer using the codes given below:
1, 2, 3, 4 and 5
2, 3 and 4
1, 3 and 5
1, 2 and 4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Why is lime added to cement slurry for the topcoat of plastering ?
To improve the strength of plaster
To stiffen the plaster
To smoothen the plaster for ease of spread
To make the plaster non-shrinkable
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
A concentrated load W moves on the span of a three-hinged arch. The horizontal thrust at the supports is maximum when the load is at which one of the following ?
The springing
One-sixth of the span from one end
Quarter span
The crown
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
A 30 m steel tape was standardised at 20°C measurements of distances were taken as 15°C. If the coefficient of linear expansion of the material of the tape were 0.00, 00112 degree centigrade, then the error, due to temperature, per tape length would be
- 0.00, 00560 m
+ 0.00, 00560 m
+ 0.00, 16800 m
- 0.00, 16800 m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
The slenderness ratio of a compression member in the context of Rankine's formula is defined as
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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