Civil Engineering - UPSC Civil Service Exam Questions

1. 

What is the correct sequence of the following events in rock tunnelling :
1. Marking tunnel profile
2. Loading explosive and blasting
3. Checking misfire
4. Muking
5. Removing foul gas
6. Setting up and drilling
7. Gunnisting
Select the correct answer using the codes given below :

A. 1, 6, 5, 3, 4, 2, 7
B. 1, 2, 6, 3, 5, 4, 7
C. 1, 6, 2, 5, 4, 3, 7
D. 1, 6, 2, 5, 3, 4, 7

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

2. 

Which of the following are the criteria associated with the design of sag vertical curve ?
1. Provision of minimum stopping distance during day time
2. Adequate drainage
3. Comfortable operation
4. Pleasant appearance
Select the correct answer using the codes given below:

A. 1, 2 and 4
B. 2 and 3
C. 2, 3 and 4
D. 1 and 3

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

3. 

Which one of the following is the correct statement ?
Refractory bricks resist:

A. high temperature
B. chemical action
C. dampness
D. all the above three

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

4. 

The following quantities refer to a channel section used as a beam :
b = width of flange (upto centre of web thickness).
h = depth of web (c/c of flange thickness).
t = thickness of flange and web.
I = moment of inertia of channel about xx axis.
e = distance of shear centre, outside the channel from the mid thickness of the web.
The value of 'e' is given by

A. tb2/4Ih2
B. th2b2/4I
C. h2I/4tb2
D. h2b2/4tI

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

5. 

Which of the following statements is NOT correct ?

A. Chlorides in potable water may be present from 300 ppm to 500 ppm.
B. In order to be safe against pathogenic bacteria residual chlorine should remain between 0.05 ppm and 0.20 ppm.
C. Presence of iron and maganese in excess of 0.3 ppm in dirinking water is objectionable.
D. pH value for pure water is nearly 7.

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

1 2 3 4 5 6 7 8 9 10 Next »