A. carrying water
B. non-cohesive soils
C. tunnels driven by shield method
D. placement of concrete lining
✅ The correct answer is option D.
Civil Engineering MCQs
Time of concentration________________?
A. is the time taken, for precipitation
B. duration of rainfall.
C. time taken for all the ran off to reach the drain
D. time taken for the storm water to travel from the most remote point to the drain
✅ The correct answer is option D.
If ‘N’ is the number of shafts used, then the total number of feces available for attacking the excavation and construction in tunnels are_________________________?
A. 2N
B. N + 2
C. 2 N + 1
D. 2 N + 2
✅ The correct answer is option D.
Corrosion of well pipes may not be reduced by_________________?
A. reducing the draw down and the pumping rate
B. reducing the flow velocity
C. using thicker pipes
D. using screens having larger area of openings
✅ The correct answer is option D.
Which one of the following is a component of a shield for tunnelling ?
A. liner plate
B. trench jack
C. stiffener
D. cutting edge
✅ The correct answer is option D.
The specific retention is least in case of_______________?
A. Clay
B. Sand
C. Silt
D. Coarse gravel
✅ The correct answer is option D.
In “full face” method of constructing tunnels, the first operation relates to______________?
A. removal of bottom portion
B. excavation of one drift in the centre
C. removal of top portion
D. excavation being done along the periphery
✅ The correct answer is option D.
According to IS : 1172-1963, a minimum of 135 litres of water capita per day, is required for________________?
A. Boarding schools
B. Nurses home and medical quarters
C. hostels
D. all the above
✅ The correct answer is option D.
It is customary to design a sewer for D.W.F. on the basis of________________?
A. Average demand
B. Twice the average demand
C. Thrice the average demand
D. Four times the average demand
✅ The correct answer is option C.
The yield of a rapid gravity filter as compared to that of slow sand filter, is__________________?
A. 10 times
B. 15 times
C. 20 times
D. 30 times
✅ The correct answer is option D.