সিভিল ডিপার্টমেন্ট MCQ
401. The thickness of slab not be less then
100 mm
125 mm
200 mm
none of these
402. The vertical depth for a channel is given by (q=unit discharge through the channel)
(q/g)1/2
(q²/g
(q³/g) 1/4
none of these
403. The maximum water cement ratio for durable concrete is-
0.2
0.4
0.6
0.8
404. The contour lines can cross one another on map only in case of-
a vertical cliff
an overhanging cliff
a ridge
a valley
405. A cantilever retaining wall should not be used for heights more than
4m
6m
8m
10m
406. The continuous strain, which the concrete undergoes due to application of external loads, is called-
workability
bleeding
segregation
creep
407. A long column is one whose ratio of effective length to its least internal dimension exceeds-
5
10
12
20
408. A continuous beam is one which is-
fixed at both ends
fixed at one end and free at the other end
extending beyond the supports
supported on more than two supports
409. The top diameter and height of the mould used for slump test respectively-
100 mm, 200 mm, 300 mm
200 mm, 100 mm, 300 mm
100 mm, 300 mm, 200 mm
200 mm, 300 mm, 100 mm
410. The modules of elasticity for 400 (60 grade) is approximately equal to-
214 kn/mm²
274 kn/mm²
314 kn/mm²
414 kn/mm²
411. The bending moment on a section is maximum where shear force is-
minimum
maximum
changing
zero
412. The unit bearing capacity of footing in sand-
decreases with depth of footing
decreases with width of footing
increases with depth of footing
increases with width of footing
413. The spacing of vertical stirrups in a rectangular beam is-
maximum near the supports
minimum near the supports
maximum near the center
minimum near the center
414. The frictional resistance of a pope varies approximately with- of the liquid.
pressure
velocity
square of velocity
cube of velocity
415. When a beam is subjected to bending moment the stress at any point is- the distance of the point from the neutral axis?
equal to
directly proportional to
inversely proportional to
independent of
416. A fixed point of reference of known elevation is called-
change cliff
station point
bench mark
datum
417. The shear force of a simply supported beam of length 'l' carrying a uniformly distributed load OD w per unit length is-
0
w1/4
w1/2
w¹ 1
418. The under weight of hard rock is-
2400 kg/m³
2500 kg/m³
2600 kg/m³
2700 kg/m³
419. For reinforced cement concrete lintels and slabs the nominal size of coarse aggregate should not exceed-
10 mm
15 mm
20 mm
40 mm
420. The hydraulic mean depth or the hydraulic radius is the ratio of-
area of flow and wetted perimeter
wetted perimeter and the diameter of the pope
velocity of flow and area of flow
none of these