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Civil Engineering - UPSC Civil Service Exam Questions

Exercise : UPSC Civil Service Exam Questions - Section 25
11.
At a certain point in a strained material, there are two mutually perpendicular stresses σx = 100 N/mm2 (Tensile) and σx = 50 N/mm2 (Compressive). [Notations : Tension (+); Compression (-) ]
What are the values of the principal stresses in N/mm2 at that point ?
100, -50
-100, 50
75, -25
-75, 25
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Which of the following materials are used as landfill salients for the control of gas and leachate moments ?
1. Lime
2. Sand
3. Bentonite
4. Fly ash
5. Butyl rubber
Select the correct answer from the codes given below :
1, 2 and 3
4 and 5
3 and 5
1, 2 and 4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
In a three-dimensional incompressible flow, the velocity component in the X and Y directions are u = 2x2 + z2 + 6 and v = y2 + 2z2 + 7. What is the velocity component in the z-direction ?
2xz + 2yz + f(x, y)
2xz + 4yz + f(x, y)
4xz + 2yz + f(x, y)
- 4xz - 2yz + f(x, y)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Which one of the following shovel excavators is considered most efficient in loading carriers ?
Dipper shovel
Dragline
Backhoe
Clamshell
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Brake is applied on a vehicle which then skids a distance of 16 m before coming to stop. If the developed average coefficient of friction between the tyres and the pavement is 0.4, then the speed of the vehicle before skidding would have been nearly
20 kmph
30 kmph
40 kmph
50 kmph
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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