CIVIL ENGINEERING MCQ – PART:13
1. Horizontal construction joints in concrete walls
are generally provided at
(a) Window sill level
(b) Soffit level
(c) Floor level
(d) All option are correct
2. According to Dicken’s formula for estimating floods the peak
discharge is proportional to ______. (Where A is catchment area in square
kilometers)
(a) A
(b) A1/2
(c)A2/3
(d)A3/4
3. The unit hydrograph of specified duration can be used to evaluate the
hydrograph of storms of
(a) Same duration only
(b) Same and shorter duration
(c) Same and longer duration
(d) Any duration
4. If a shaft is simultaneously subjected to torque T/2 and a bending
moment of 2M, then the ratio of maximum bending stress to maximum shear stress
will be
(a) 4M/T
(b) 8M/T
(c) 4T/M
(d) 8T/M
5. Super plasticizer increases slump of concrete due to which phenomenon?
(a) Densification of cement particles
(b) Drying of cement particles
(c) Dispersion and deflection of cement particles
(d) Deterioration of cement particles
6. The correction to be applied to each 30 meter chain length along θ°
slope is _____.
(a) 30 (sec θ – 1) m
(b) 30 (sin θ – 1) m
(c) 30 (cos θ – 1) m
(d) 30 (tan θ – 1) m
7. In which of the following case flow net cannot be drawn?
(a) Irrotational flow
(b) Steady flow
(c) When flow is governed by gravity
(d) When flow is not governed by gravity
8. Standard Project Flood for the drainage area involved is the flood that
(a) Is sure to be equalled in magnitude once or more time in the estimated life
of the project
(b) Is likely to be exceeded in magnitude only at rare occasions in the
estimated life of the project
(c) Might occur under the worst meteorological and hydrological conditions in
the estimated life of the project
(d) Will occur under standard meteorological conditions in the estimated life
of the Project
9. The property of a soil which permits water to percolate through it, is
called
(a) Moisture content
(b) Permeability
(c) Capillarity
(d) None of the above
10. For a propped cantilever beam of length L carrying a uniformly
distributed load w, as shown in figure, the reaction at point A will be
(a) wL/2
(b) wL/4
(c) 5wL/8
(d) 3wL/8
11. Pick up the correct statement from the following
(a) The concrete gains strength due to hydration of cement
(b) The concrete cured at a temperature below 23°C, gains strength up to 28 days
(c) The concrete does not set at freezing point
(d) All options are correct
12. The meander pattern of a river is developed by
(a) Average discharge
(b) Dominant discharge
(c) Maximum discharge
(d) Critical discharge
13. Which of the following type of roller is most suitable for proof
rolling subgrades and for finishing operation of fills with clayey or sandy
soils?
(a) Pneumatic rubber-tired roller
(b) Sheep foot roller
(c) Smooth wheel roller
(d) Vibratory roller
14. The strength and quality of concrete depends on
(a) Aggregate shape
(b) Aggregate grading
(c) Surface area of the aggregate
(d) All options are correct
15. If L is the length of a rail and R is the radius of a curve, the
versine h for the curve is
(a) a = L/4R
(b) a = L²/4R
(c) h = L²/8R
(d) h = L²/16R
16. The formula for the extension in the tapered rod of length l and
tapered diameter of D₁ and D₂,
under the axial tensile load P is
(a)
(b)
(c)
(d)
17. The most valuable timber may be obtained from ______.
(a) Chir
(b) Shisham
(c) Sal
(d) Teak
18. A Pycnometer is used to determine
(a) Voids ratio and dry density
(b) Water content and void ratio
(c) Specific gravity and dry density
(d) Water content and specific gravity
19. Correction per chain length of 100 links along a slope having a
rise of 1 unit in ‘n’ horizontal units is
(a) 100/n²
(b) 100 n²
(c) 100/n³
(d) 100/n
20. The lateral earth pressure on a retaining wall
(a) Is equal to mass of the soil retained
(b) Proportional to the depth of soil
(c) Proportional to the internal friction of the soil
(d) Proportional to the square of the depth of the soil