Q.1

Why is a proportional flow weir provided in a grit chamber ?

  • To reduce the suspended solids entering into the grit chamber
  • To maintain the constant flow depth in the grit chamber
  • To take care of maintaining constant flow velocity in the grit chamber over a certain depth range
  • To allow the sewage afresh into the grit chamber
Q.2

In the case of panel wall subjected to horizontal loads at right angles to the plane of the wall, with the mortar not leaner than M1 type, tensile stress in bending in the vertical direction may be allowed to the extent of

  • 0.4 kg/cm2
  • 0.7 kg/cm2
  • 1.0 kg/cm2
  • 1.2 kg/cm2
Q.3

Which one of the following statements is correct ?
A forebay in a hydel system is provided at the junction of :

  • the power channel and the tail race channel
  • the tail race channel and the penstock
  • the penstock and the turbine
  • the power channel and the penstock
Q.4

The force in member AB is in the given figure

  • 5 kN compression
  • 2 kN compression
  • zero
  • 7 kN compression
Q.5

The force in member AB is in the given figure

  • 5 kN compression
  • 2 kN compression
  • zero
  • 7 kN compression
Q.6

In highway geometric design, once the cumulative speed distribution is drawn, the design adequacy is checked at which percentile ?

  • 85th percentile
  • 95th percentile
  • 98th percentile
  • 99th percentile
Q.7

Two forces P = 6 N and Q =N act on a particle and their lines of action are inclined to each other at an angle of 60°. What is the magnitude of the third force R which will keep the particle in equilibrium ?

  • 13.30 N
  • 13.89 N
  • 14.00 N
  • 14.02 N
Q.8

In a compaction test on a soil sample, if the compaction energy is decreased (γd = maximum dry density, OMC = optimum moisture content)

  • γd will increase with increase in OMC
  • γd will decrease with increase in OMC
  • γd will decrease with decrease in OMC
  • γd will increase with decrease in OMC.
Q.9

For strengthening am long and 5 m high straight compound wall built in brick work, which one of the following would be most suitable ?

  • Providing buttresses at certain intervals
  • Providing a deeper foundation
  • Using a richer mortar
  • Using stronger bricks
Q.10

Consider the following statements
The main reinforcement in the counterfort in a counterfort retaining wall of R.C.C is provided on the :
inclined face in front of counterfort.
bottom face in. back counterfort.
inclined face in back counterfort.
bottom face in front counterfort.
Select the correct answer using the codes given below :

  • 1 and 2
  • 2 and 3
  • 3 and 4
  • 2 and 4
Q.11

A sand deposit has a porosity of 0.and a specific gravity of 2.the critical hydraulic gradient for the sand deposit is

  • 2.975
  • 2.225
  • 1
  • 0.75
Q.12

What is the value of flexural strength of Mconcrete ?

  • 4.0 MPa
  • 3.5 MPa
  • 3.0 MPa
  • 1.75 MPa
Q.13

A sailor, standing on the deck of a ship, just sees the light beam from a lighthouse on the shore. If the height of the sailor's eye and of the light beam at the lighthouse, above the sea level, are 9 m andm respectively, what is the distance between the sailor and the lighthouse ?

  • 29.8 km
  • 31.1 km
  • 31.9 km
  • 33.2 km
Q.14

Consider the following factors :
Large number of loading cycles
Large variations in stress
Large stress concentration.
Those associated with fatigue would include

  • 1 and 2
  • 1 and 3
  • 2 and 3
  • 1, 2 and 3
Q.15

Which one of the following, measures the stiffness of a track ?

  • Tractive effort
  • Tractive resistance
  • Track modulus
  • Load capacity
Q.16

A simply supported beam is subjected to an eccentric concentrated load. Where does the maximum deflection of the beam due to the applied load occur ?

  • Directly under the load
  • At the centre of the beam
  • Between the load point and the nearest end support
  • Between the load point and centre of the beam.
Q.17

A three-hinged symmetric parabolic arch is hinged at the springing and at the crown. The span and rise arem andm respectively. The left half of the arch is loaded with U.D.L. of 3 t/m. The horizontal thrust at the springings will be

  • 15 t
  • 20 t
  • 30 t
  • 40 t
Q.18

Why are tie plates provided is laced columns ?

  • To check the buckling of column as whole
  • To check the buckling of the lacing flats
  • To check the buckling of the component columns
  • To check the distortion of the end cross sections
Q.19

The amount of gradient is required to be reduced, whenever a horizontal curve and gradient have to be provided together. What is this process known as ?

  • Momentum gradient
  • Pusher gradient
  • Grade compensation
  • Grade resistance
Q.20

Why is a proportional flow weir provided in a grit chamber ?

  • To reduce the suspended solids entering into the grit chamber
  • To maintain the constant flow depth in the grit chamber
  • To take care of maintaining constant flow velocity in the grit chamber over a certain depth range
  • To allow the sewage afresh into the grit chamber
Q.21

In a free vortex, velocity

  • decreases with radius
  • increases with radius
  • is constant
  • varies inversely as the square of the radius
Q.22

A velocity field with no components in the y and z directions is given by V = 6 + 2xy +t2
The acceleration along the x-direction at a point (2), at timeis

  • 8 units
  • 16 units
  • 28 units
  • 36 units
Q.23

The correct sequence of the increasing order of the disturbance to soil samples obtained from chunk, piston, split spoon and remolded sampler is

  • piston sampler, chunk sampler, split spoon sampler, remolded sampler
  • chunk sampler, piston sampler, split spoon sampler, remolded sampler
  • piston sampler, chunk sampler, remolded sampler, split spoon sampler
  • chunk sampler, piston sampler, remolded sampler, split spoon sampler
Q.24

The displacement of a particle undergoing rectilinear motion along the x-axis is given by x = 2t3- 21t2 + 60t + 6 (m)
The acceleration of the particle when its velocity is zero, is

  • 36 m/s2
  • ± 18 m/s2
  • 9 m/s2
  • - 9 m/s2
Q.25

Two particles of massesgm andgm are connected by a light inextensible string which passes over a fixed smooth pulley. The tension in the string in the ensuing motion will be

  • 7 gm. wt
  • 10 gm. wt
  • 12 gm. wt
  • 24 gm. wt
Q.26

Which one of the following statements is correct ?
A forebay in a hydel system is provided at the junction of :

  • the power channel and the tail race channel
  • the tail race channel and the penstock
  • the penstock and the turbine
  • the power channel and the penstock
Q.27

Which one of the following statements is correct ?
A forebay in a hydel system is provided at the junction of :

  • the power channel and the tail race channel
  • the tail race channel and the penstock
  • the penstock and the turbine
  • the power channel and the penstock
Q.28

Consider the following statements :
Aboutof alumina is brick earth imparts the plasticity necessary for moulding bricks into required shape.
Iron pyrite present in brick earth preserves the form of the bricks at high temperatures.
Presence of weeds in brick earth makes the bricks unsound.
Which of these statements are correct ?

  • 1 and 2
  • 1 and 3
  • 2 and 3
  • 1, 2 and 3
Q.29

Which of the following factors are taken into account for estimating the runway length required for aircraft landing
Normal maximum temperature.
Air port elevation.
Maximum lending weight.
Effective runway gradient.
Select the correct answer using the codes given below:

  • 1, 2, 3 and 4
  • 1, 3 and 4
  • 2 and 3
  • 1, 2 and 4
Q.30

At a hydraulic jump, the depths at the two sides are 0.4 m and 1.4 m. The head loss in the jump is nearly

  • 1.0 m
  • 0.9 m
  • 0.7 m
  • 0.45 m
Q.31

The force in member AB is in the given figure

  • 5 kN compression
  • 2 kN compression
  • zero
  • 7 kN compression
Q.32

In highway geometric design, once the cumulative speed distribution is drawn, the design adequacy is checked at which percentile ?

  • 85th percentile
  • 95th percentile
  • 98th percentile
  • 99th percentile
Q.33

Which of the following treatments reduce salinity of water ?
Flocculation and sedimentation
Filtration
Reverse osomasis
Electrodialysis
Select the correct answer using the codes given below :

  • 1 and 2
  • 3 and 4
  • 2 and 3
  • 1 and 4
Q.34

As per Terzaghi's equation, the bearing capacity of strip footing resting on cohesive coil (c =kN/m2) for unit depth and unit width (assume Nc as 5.7 ) is

  • 47 kN/m2
  • 57 kN/m2
  • 67 kN/m2
  • 77 kN/m2
Q.35

Which one of the following statements about photogrammetric surveying is correct ? The relief displacement

  • decreases with increase in flying height
  • in negative for a point above datum
  • decreases as the distance of the object from the principal point increases
  • of the point is not affected by the tilt of the photograph.
Q.36

In the cross-section of a rectangular beam, what is the ratio of the average shear stress to the maximum shear stress ?

  • 3/2
  • 2/3
  • 4/3
  • 3/4
Q.37

Two geometrically similar pumps are running at the same speed ofr.p.m. and lifting water against the heads ofm andm respectively. First pump is having an impeller diameter ofmm. The impeller diameter of second pump shall be

  • 192 mm
  • 240 mm
  • 300 mm
  • 469 mm
Q.38

A and B are Skempton's pore pressure coefficients. Forsaturated normally consolidated soils,

  • A > 1 and B > 1
  • A > 1 and B < 1
  • A < 1 and B > 1
  • A < 1 and B = 1
Q.39

In the pin-jointed plane truss shown above, what is the magnitude and nature of force in member BC?

  • Zero
    44-1439-4.png
  • 50 kN (tensile)
    44-1439-4.png
  • 50 kN (compressive)
    44-1439-4.png
Q.40

A rigid cantilever frame ABC is fixed at C. It carries a load P at A, as shown in the given figure. Neglecting axial deformation, the vertical deflection of the point A is given by (EI constant throughout the frame).

  • PIh2/2EI
  • PI2h/3EI
  • PI2(3h + I)/3EI
  • PI2(2h + I)/2EI
Q.41

The force in member AB is in the given figure

  • 5 kN compression
  • 2 kN compression
  • zero
  • 7 kN compression
Q.42

Which one of the following statements about photogrammetric surveying is correct ? The relief displacement

  • decreases with increase in flying height
  • in negative for a point above datum
  • decreases as the distance of the object from the principal point increases
  • of the point is not affected by the tilt of the photograph.
Q.43

In highway geometric design, once the cumulative speed distribution is drawn, the design adequacy is checked at which percentile ?

  • 85th percentile
  • 95th percentile
  • 98th percentile
  • 99th percentile
Q.44

The given figure shows a frame to be analysed by moment distribution method. The distribution factors for members GF, GH and GD will be respectively

Q.45

In the given figure, the maximum bending moment at the fixed end of the cantilever caused by the UDL is M. The bending moment at section 1/5 from the free end is

  • 4%of M
  • 5% of M
  • 10%of M
  • 20% of M
Q.46

In the cross-section of a rectangular beam, what is the ratio of the average shear stress to the maximum shear stress ?

  • 3/2
  • 2/3
  • 4/3
  • 3/4
Q.47

The rotation of a rigid body is governed by What is its angular velocity at t - 2s ?

  • 18 rad/s
  • π/4 rad /s
  • π/8 rad /s
  • zero.
Q.48

Two particles of massesgm andgm are connected by a light inextensible string which passes over a fixed smooth pulley. The tension in the string in the ensuing motion will be

  • 7 gm. wt
  • 10 gm. wt
  • 12 gm. wt
  • 24 gm. wt
Q.49

Two geometrically similar pumps are running at the same speed ofr.p.m. and lifting water against the heads ofm andm respectively. First pump is having an impeller diameter ofmm. The impeller diameter of second pump shall be

  • 192 mm
  • 240 mm
  • 300 mm
  • 469 mm
Q.50

A velocity field with no components in the y and z directions is given by V = 6 + 2xy +t2
The acceleration along the x-direction at a point (2), at timeis

  • 8 units
  • 16 units
  • 28 units
  • 36 units
0 h : 0 m : 1 s