Q.1

Standard 5-day BOD of a waste water sample is nearly x% of the ultimate BOD, where x is

  • 48
  • 58
  • 68
  • 78
Q.2

A roundabout is provided with an average entry width of 8.4 m, width of weaving section asm, and length of the weaving section between channelizing islands asm. The crossing traffic and total traffic on the weaving section areandPCU per hour respectively. The nearest rounded capacity of the roundabout (in PCU per hour) is

  • 3300
  • 3700
  • 4500
  • 5200
Q.3

A soil mass has coefficients of horizontal and vertical permeability as 9 x 10-7 cm/s and 4 x 10-7 cm/s, respectively. The transformed coefficient of permeability of an equivalent isotropic soil mass is

  • 9 x 10-7 cm/s
  • 4 x 10-7 cm/s
  • 13 x 10-7 cm/s
  • 6 x 10-7 cm/s
Q.4

The superelevation needed for a vehicle travelling at a speed ofkmph on a curve of radiusm on a surface with a coefficient of friction of 0.is :

  • 0.71
  • 0.81
  • 0.91
  • 0.61
Q.5

In a drained triaixal compression test, a saturated specimen of a cohesionless sand fails under a deviatoric stress of 3 kgf/cm2 when the cell pressure is 1 kgf/cm2 . The effective angle of shearing resistance of sand is about

  • 37°
  • 45°
  • 53°
  • 20°
Q.6

A single bay single storey portal frame has hinged left support and a fixed right support. It is loaded with uniformly distributed load on the beam. Which one of the following statements is true with regard to the deformation of the frame ?

  • It would sway to the left side
  • It would sway to the right side
  • It would not sway at all
  • None of the above
Q.7

The Bowen ratio is defined as :

  • Ratio of heat and vapour diffusivities.
  • Proportionality constant between vapour heat flux and sensible heat flux.
  • Ratio of actual evapotranspiration and potential evapotranspiration.
  • Proportionality constant between heat energy used up in evaporation and the bulk radiation from a water body.
Q.8

Excessive fluoride in drinking water causes

  • Alzheimer's disease
  • Mottling of teeth and embrittlement of bones
  • Methemoglobinemia
  • Skin cancer
Q.9

A two lane single carriage-way is to be designed for a design life period ofyears. Total two-way traffic intensity in the year of completion of construction is expected to becommercial vehicles per day. Vehicle damage factor = 3.Lane distribution factor = 0.Assuming an annual rate of traffic growth as 7.5%, the design traffic expressed as cumulative number of standard axles, is

  • 42.9 x 106
  • 22.6 x 106
  • 10.1 x 106
  • 5.3 x 106
Q.10

In IS :(the permissible compressive stress in column is based on :

  • Euler formula
  • Secant formula
  • Rankine-Gordan formula
  • Rankine-Merchant formula
Q.11

The shape of the STOP sign according to IRC:67-is

  • circular
  • triangular
  • octagonal
  • rectangular
Q.12

A reinforced concrete wall carrying vertical loads is generally designed as per recommendations given for columns. The ratio of minimum reinforcements in the vertical and horizontal directions is

  • 2 : 1
  • 5 : 3
  • 1 : 1
  • 3 : 5
Q.13

The plastic modulus of a section is 4.8 x 10-4 m3. The shape factor is 1.The plastic moment capacity of the section iskN.m. The yield stress of the material is

  • 100 MPa
  • 240 MPa
  • 250 MPa
  • 300 MPa
Q.14

A direct shear test was conducted on a cohesionless soil (c =specimen under a normal stress ofkN/m2. The specimen failed at a shear stress ofkN/m2. The angle of internal friction of the soil (degrees) is

  • 26.6
  • 29.5
  • 30.0
  • 32.6
Q.15

The deflection of a cantilever beam at free end b applied with a moment M at the same point is :

  • M l2/EI
  • M l2/2 EI
  • M l2/3 EI
  • M l2/4 EI
Q.16

A 1 :model of an ogee spillway crest records an acceleration of 1.3 m/s2 at a certain location. The homologous value of the acceleration in the prototype in m/s2 , is

  • 0.043
  • 0.237
  • 1.300
  • 7.120
Q.17

The slope of the elastic curve at the free end of a cantilever beam of span L, and with fluxural rigidity EI, subjected to uniformly distributed load of intensity w is

  • wL3/6EI
  • wL3/3EI
  • wL4/8EI
  • wL3/2EI
Q.18

In a drained triaixal compression test, a saturated specimen of a cohesionless sand fails under a deviatoric stress of 3 kgf/cm2 when the cell pressure is 1 kgf/cm2 . The effective angle of shearing resistance of sand is about

  • 37°
  • 45°
  • 53°
  • 20°
Q.19

For the structure shown below, the vertical deflection at point A is given by

  • Zero
    913-282-4.png
Q.20

The Bowen ratio is defined as :

  • Ratio of heat and vapour diffusivities.
  • Proportionality constant between vapour heat flux and sensible heat flux.
  • Ratio of actual evapotranspiration and potential evapotranspiration.
  • Proportionality constant between heat energy used up in evaporation and the bulk radiation from a water body.
Q.21

A 1 :model of an ogee spillway crest records an acceleration of 1.3 m/s2 at a certain location. The homologous value of the acceleration in the prototype in m/s2 , is

  • 0.043
  • 0.237
  • 1.300
  • 7.120
Q.22

A two lane single carriage-way is to be designed for a design life period ofyears. Total two-way traffic intensity in the year of completion of construction is expected to becommercial vehicles per day. Vehicle damage factor = 3.Lane distribution factor = 0.Assuming an annual rate of traffic growth as 7.5%, the design traffic expressed as cumulative number of standard axles, is

  • 42.9 x 106
  • 22.6 x 106
  • 10.1 x 106
  • 5.3 x 106
Q.23

A reinforced concrete wall carrying vertical loads is generally designed as per recommendations given for columns. The ratio of minimum reinforcements in the vertical and horizontal directions is

  • 2 : 1
  • 5 : 3
  • 1 : 1
  • 3 : 5
Q.24

A-2-hour unit hydrograph can be approximated as trapezoidal as shown in the below figure. The unit hydrograph refers to catchment of area

  • 138.24 km2
  • 0.0384 km2
  • 384 m2
  • 3840 m2
Q.25

A single bay single storey portal frame has hinged left support and a fixed right support. It is loaded with uniformly distributed load on the beam. Which one of the following statements is true with regard to the deformation of the frame ?

  • It would sway to the left side
  • It would sway to the right side
  • It would not sway at all
  • None of the above
Q.26

A 1 :model of an ogee spillway crest records an acceleration of 1.3 m/s2 at a certain location. The homologous value of the acceleration in the prototype in m/s2 , is

  • 0.043
  • 0.237
  • 1.300
  • 7.120
Q.27

A-2-hour unit hydrograph can be approximated as trapezoidal as shown in the below figure. The unit hydrograph refers to catchment of area

  • 138.24 km2
  • 0.0384 km2
  • 384 m2
  • 3840 m2
Q.28

A frame ABCD is supported by a roller at A and is on a hinge at C as shown below

The reaction at the roller end A is given by

  • P
  • 2P
  • P/2
  • Zero.
Q.29

A 1 :model of an ogee spillway crest records an acceleration of 1.3 m/s2 at a certain location. The homologous value of the acceleration in the prototype in m/s2 , is

  • 0.043
  • 0.237
  • 1.300
  • 7.120
Q.30

A propped cantilever beam in shown in the below figure. The plastic moment capacity of the beam is M0. The collapse load P is

  • 4 M0/L
  • 6 M0/L
  • 8 M0/L
  • 12 M0/L
0 h : 0 m : 1 s