civil engineering questions and answers

MCQ 1. The double mass curve is used to

(A) check the consistency of rain gauge records
(B) determine the reservoir capacity
(C) determine the number of rain gauges required
(D) determine the maximum probable precipitation

MCQ 2. For the design of lined canal, the formula commonly used is

(A) Kennedy’s formula 
(B) Lacey’s formula
(C) Manning’s formula 
(D) Lindley’s formula

MCQ 3. A filter is provided at the d/s toe of an earth dam

(A) to prevent the piping action in the dam section
(B) to reduce the seepage through the dam
(C) to reduce the uplift pressure on the dam
(D) to collect and drain out the seepage water

MCQ 4. The smallest sieve size according to Indian standards is

(A) 0.0045 mm 
(B) 0.045 mm
(C) 0.45 mm 
(D) 0.154 mm

MCQ 6. When the plastic limit is equal to or greater than the liquid limit, then plasticity
index is

(A) negative 
(B) zero
(C) one 
(D) more than one

MCQ 7. The neutral stress is

(A) transmitted through the points of contact of the interconnected particles
of soil.
(B) transmitted to the soil base through the pore water.
(C) independent of the depth of water above the soil mass.
(D) due to weight of soil particles.

MCQ 8. In case of coarse grained sand having high permeability and low plasticity,95%
of consolidation occurs within ______ after application of load.

(A) 1 minute
(B) 30 minute
(C) 1 hour 
(D) 2 hour

MCQ 9. In case of footings in sand, if the soil pressure distribution is triangular , the
maximum soil pressure is ______ the average soil pressure.

(A) equal to
(B) double
(C) three times 
(D) four times

MCQ 10. The contact pressure of flexible footing on non-cohesive soils is

(A) more in the centre than at the edges
(B) less in the centre than at the edges
(C) uniform throughout
(D) none of these

MCQ 11. Negative skin friction in soil is considered when the pile is constructed
through a

(A) filled material 
(B) dense coarse sand
(C) over consolidated stiff clay 
(D) dense fine sand

MCQ 12. The angle of internal friction of round-grained loose sand is about

(A) 5˚ to 25˚ 
(B) 25˚ to 30˚
(C) 30˚ to 35˚ 
(D) 32˚ to 37˚

MCQ 13. The coefficient of active earth pressure for a loose sand having an angle
internal friction of 30˚,is

(A) 0.5 
(B) 0.333
(C) 1 
(D) 3

MCQ 14. The property of the soil mass which permits the seepage of water through its
interconnecting voids, is called

(A) capillarity 
(B) permeability
(C) porosity 
(D) none of these

MCQ 15. The submerged or buoyant unit weight of soil is equal to the ______ of the
unit weight of saturated soil and unit weight of water.

(A) sum 
(B) difference
(C) product 
(D) ratio

MCQ 16. The bearing capacity factors Nc, Nq and Nr are functions of

(A) Width and depth of footing 
(B) Cohesion of soil
(C) Density of soil 
(D) Angle of internal friction of soil

MCQ 17. CBR test on soil is type of

(A) Bearing test 
(B) Shear test
(C) Penetration test 
(D) None of above

MCQ 18. What is the angle between two plane mirrors of an optical square?

(A) 30˚ 
(B) 60˚
(C) 45˚ 
(D) 90˚

MCQ 19. The plastic limit exists in

(A) sandy soils 
(B) gravel soil
(C) silty soil 
(D) clay