Q.1

If, for a fluid in motion, pressure at a point is same in all directions, then the fluid is :

  • a real fluid
  • a Newtonian fluid
  • an ideal fluid
  • a non-Newtonian fluid
Q.2

The maximum allowable compressive stress corresponding to lateral buckling in a discretely laterally supported symmetrical I beam does not depend upon :

  • the modulus of elasticity
  • the radius of gyration about the minor axis
  • the span length of the beam
  • the ratio of overall depth of thickness of the flange
Q.3

Cavitation is caused by

  • high velocity
  • low pressure
  • high pressure
  • high temperature
Q.4

Plate bearing test withcm diameter plate on soil subgrade yielded a pressure of 1.x 105 N/m2 at 0.5 cm deflection. What is the elastic modulus of subgrade ?

  • 56.18 x 105 N/m2
  • 22.10 x 105 N/m2
  • 44.25 x 105 N/m2
  • 50.19 x 105 N/m2
  • None.
Q.5

Group symbols assigned to silty sand and clayey sand are respectively

  • SS and CS
  • SM and CS
  • SM and SC
  • MS and CS
Q.6

Breakpoint chlorination of water involves addition of chlorine in an amount sufficient to:

  • react with any ammonia and readily oxidisable organic matter
  • kill Giardia cysts
  • react with inorganic matter
  • reduce bacterial growth in filters
Q.7

The type of surveying in which the curvature of the earth is taken into account is called

  • Geodetic surveying
  • Plane surveying
  • Preliminary surveying
  • Topographical surveying
Q.8

The downstream end of a long prismatic channel of mild slope, ends in a pool created by a dam. The resulting non-uniform water surface profile can be described as one of the following :

  • M3 profile ending in a hydraulic jump
  • M1 profile that lies above normal depth line
  • M2 profile that lies between critical and normal depth lines
  • M3 profile that lies between critical and normal depth lines
Q.9

Bituminous materials are commonly use in highway construction because of their good

  • tensile and compression properties.
  • binding and water proofing properties.
  • shear strength and tensile properties.
  • bond and tensile properties.
Q.10

It is proposed to widen and strengthen an existing 2-lane NH section as a divided highway. The existing traffic in one direction iscommercial vehicles (CV) per day. The construction will take 1 year. The design CBR of soil subgrade is found to be 5 percent, Given: traffic growth rate for CV = 8 percent, vehicle damage factor = 3.5 (standard axles per CV), design life =years and traffic distribution factor = 0.The cumulative standard axles (msa) computed are

  • 35
  • 37
  • 65
  • 70
Q.11

The soils most susceptible to liquefaction are :

  • saturated dense sands
  • saturated fine and medium sands of uniform particle size
  • saturated clays of uniform size
  • saturated gravels and cobbles
Q.12

Flow at critical depth takes place in an open channel When

  • for a given specific energy, discharge is maximum
  • for a given discharge, specific energy is maximum
  • discharge is minimum for a given specific energy
  • discharge is maximum for a given specific force
Q.13

Use of coagulants such as alum

  • results in reduction of pH of the treated water.
  • results in increase of pH of the treated water.
  • results in no chnage in pH of the treated water.
  • may cause an increase in decrease of decrease of pH of the treated water.
Q.14

If the shear force at a section of beam under bending is equal to zero then the bending moment at the section is

  • zero
  • maximum
  • minimum
  • minimum or maximum
Q.15

The following general statement may be made about the penetration value and softening point of bitumen

  • higher the penetration value, higher is the softening point
  • higher the penetration value, lower is the softening point
  • for very high and very low penetration value the softening point is very low
  • absolutely no correlation can be drawn between penetration value and softening point of bitumen
Q.16

Two completely penetrating wells are located L (in metres) apart, in homogeneous confined aquifer. The drawdown measured at the mid point between the two wells (at a distance of 0.5 L from both the wells) is 2.0 m when only the first well is being pumped at the steady rate of Q1 m3/sec. When both the wells are being pumped at identical steady rate of Q2 m3/sec, the drawdown measured at the same location is0 m. It may be assumed that the drawdown at the wells always remains at 10.0 m when being pumped and the radius of influence is larger than 0.5 L Q1/Q2 is equal to

  • 4/3
  • 8/5
  • 5/8
  • ln (L/2)
Q.17

The maximum permissible deflection for a gantry girder, spanning over 6 m, on which an EOT (electric overhead travelling) crane of capacitykN is operating, is

  • 8 mm
  • 10 mm
  • 12 mm
  • 18 mm
Q.18

A road is provided with a horizontal circular curve having deflection angle ofand centre line radius ofm. A transition curve is to be provided at each end of the circular curve of such a length that the rate of gain of radial acceleration is 0.3 m/s3 at a speed ofkm per hour. Length of the transition curve required at each of the ends is

  • 2.57 m
  • 33.33 m
  • 35.73 m
  • 1666.67 m
Q.19

In network of pipes

  • the algebraic sum of discharges around each circuit is zero
  • the algebraic sum of (pressure + datum) head drops around each circuit is zero
  • the elevation of hydraulic grade line is assumed for each junction point
  • elementary circuits are replaced by equivalent pipes
Q.20

Sand drains are used to :

  • reduce the settlement
  • accelerate the consolidation
  • increase the permeability
  • transfer the load
Q.21

A footing 2 m x 1 m exerts a uniform pressure ofkN/m2 on the soil. Assuming a load dispersion of 2 vertical to 1 horizontal the average vertical stress (kN/m2) at 1.0 m below the footing is

  • 50
  • 75
  • 80
  • 100
Q.22

A hyetograph is a graph representing

  • rainfall volume with time
  • rainfall intensity with time
  • rainfall intensity with duration
  • rainfall intensity over an area
Q.23

A volume of 3.0 x 106 m3 of ground water was pumped out from an unconfined aquifer, uniformly from an area of 5 km2. The pumping lowered the water table from initial level ofm tom. The specific yield of the aquifier is

  • 0.20
  • 0.30
  • 0.40
  • 0.50
Q.24

The shape factor of the section shown in the below figure is

  • 1.5
  • 1.12
  • 2
  • 1.7
Q.25

Sand drains are used to :

  • reduce the settlement
  • accelerate the consolidation
  • increase the permeability
  • transfer the load
Q.26

The downstream end of a long prismatic channel of mild slope, ends in a pool created by a dam. The resulting non-uniform water surface profile can be described as one of the following :

  • M3 profile ending in a hydraulic jump
  • M1 profile that lies above normal depth line
  • M2 profile that lies between critical and normal depth lines
  • M3 profile that lies between critical and normal depth lines
Q.27

In which one of the following arrangements would the vertical force on the cylinder due to water be the maximum ?

Q.28

The shape factor of the section shown in the below figure is

  • 1.5
  • 1.12
  • 2
  • 1.7
Q.29

A road is provided with a horizontal circular curve having deflection angle ofand centre line radius ofm. A transition curve is to be provided at each end of the circular curve of such a length that the rate of gain of radial acceleration is 0.3 m/s3 at a speed ofkm per hour. Length of the transition curve required at each of the ends is

  • 2.57 m
  • 33.33 m
  • 35.73 m
  • 1666.67 m
0 h : 0 m : 1 s