CE BOARDS APRIL 2023

Question 1

The shear strength of a soil:

a. is proportional to the cohesion of the soil
b. is proportional to the tangent of the angle of internal friction
c. increases with increase in normal stress
d. decrease with decrease in normal stress

Answer 1

C. Increases with increase in normal stress

Question 2

Triaxial shear test acts on what axis ?

a. x-axis
b. y-axis
c. both axis
d. all plane axis except x and y axis

Answer 2

d. all plane axis except x and y axis

Question 3

In what plane is the additional stress ( deviator stress ) can affect the shear stress ?

a. Horizontal
b. Vertical
c. Both vertical and Horizontal
d. inclined

Answer 3

A. Horizontal

Question 4

What test is not performed in laboratory ?

a. Direct shear test
b. Triaxial shear test
c. Unconfined compression test
d. Vane test

Answer 4

D. Vane test

Question 5

Ratio of weight of water to the weight of solid particles.

a. water content
b. porosity
c. void ratio
d. degree of saturation

Answer 5

A. water content

Question 6

In AASHTO, soil greater than 75mm is classified as

a. cobbles
b. boulders
c. gravel
d. clays

Answer 6

A. cobbles

Question 7

In 1.3CNc + qNq + 0.4YBNy
Nc, Nq, Ny are function of

a. cohesion
b. angle of friction
c. both cohesion and angle of friction
d. none of the above

Answer 7

B. angle of friction

Question 8

Molecules of liquid gets attracted to

a. cohesion
b. adhesion
c. capillary action
d. surface tension

Answer 8

D. Surface tension

Question 9

Where is the metacenter for stable equilibrium ?

a. above the center of gravity
b. at the center of gravity
c. below the center of gravity
d. one half of the total draft

Answer 9

A. above the center of gravity

Question 10

If the volume of voids is equal to the volume of solids what is the porosity and void ratio equal to respectively ?

a. 0.5 and 1
b. 0 and 0.5
c. 0 and 1
d. 1 and 0.5

Answer 10

A. 0.5 and 1

Question 11

The shear strength of a cohesionless soil is :

a. Proportional to the angle of the shearing resistance.
b. inversely proportional the angle of shearing resistance
c. Proportional to the tangent of the angle of shearing resistance
d. None of the above

Answer 11

C. Proportional to the tangent of the angle of shearing resistance

Question 12

The intensity of vertical stress Oz at a depth due to a point load acting on the surface of a semi infinite elastic soil mass is :

a. Directly proportional to the depth
b. Inversely proportional to the depth
c. Directly proportional to the square of depth
d. Inversely proportional to the square if depth

Answer 12

C. Directly proportional to the square of deph

Question 13

When the metacenter of a floating body os lower than the center of gravity, then the body will be in

a. unstable equilibrium
b. stable equilibrium
c. neutral equilibrium
d. not of a, b, c are corrected

Answer 13

A. unstable equilibrium

Question 14

The metacentric height is the distance between the

a. center of gravity of the floating body and the center of bouyancy
b. center of gravity of the floating body and the metacenter
c. metacenter and the center of bouyancy
d. original center of buoyancy and new center of buoyancy

Answer 14

B. center of he gravity of the floating body and the metacenter

Question 15

Negative skin friction on piles

a. caused by soft clay
b. decreases the pile capacity
c. is caused due to relative settlement of soil
d. all of the above

Answer 15

D. All of the above

Question 16

Specific weight of liquid __________
a. remains constant at every place
b. does not remain constant at every place
c. does not vary on any other planet
d. varies from place to place in the earth

Answer 16

C. does not vary on any other planet

Question 17

In civil engineering soil is _______

a. found in earths crust
b. it is all plants grow
c. uncemented aggregate
d. all of these

Answer 17

C. Uncemented Aggregate

Question 18

The weight per unit volume of a liquid at a standard temperature and pressure is called :

a. specific gravity
b. specific weight
c. mass density
d. none of the above

Answer 18

B. Specific Weight

Question 19

On what fundamental concept is the continuity of flow primarily based ?

a. newtons second law
b. pascals law
c. work energy
d. conservation mass

Answer 19

D. conservation mass

Question 20

A branch of fluid mechanics that deals with the study of forces exerted by liquid in motion

a. water hammer
b. fluid flow
c. hydrodynamics
d. hydraulic jump

Answer 20

C. Hydrodynamics

Question 21

The total pressure force on a plane surface is equal to the area multiplied by the intensity of pressure at the centroid if the surface is :

a. Horizontal
b. Inclined
c. Vertical
d. All of the these

Answer 21

D. All of these

Question 22

A pressure surge or wave caused when a fluid in motion os forced to stop or change direction suddenly ( momentum change ) is referred to in hydraulics as:

a. hydrodynamic
b. Hydraulic Jump
c. water hammer
d. potential head

Answer 22

C. Water Hammer

Question 23

Which of the following is not affected by minor loss ?

a. long pipe
b. both long and short pipe
c. short pipe
d. cant say

Answer 23

a. Long Pipe

Question 24

In the context of using soil as a construction material which of the following properties is NOT typically considered a primary parameter for evaluation its suitability ?

a. Tensile strength
b. shear strength
c. compaction strength
d. compressive strength

Answer 24

A. Tensile Strength

Question 25

Which of the soil property is most used in engineering

a. specific gravity
b. moisture content
c. void ratio
d. porosity

Answer 25

C. Void Ratio

Question 26

Which of the following is not a characteristics of cohesion less soil?

a. practically impermeable
b. easy to compact
c. prone to settlement
d. high shear strength

Answer 26

A. Practically Impermeable