Q.1

Which of the following statements are true for the pile shown in the figure ?
Frictional resistance acts upwards through the length of the pile.
Negative skin friction acts over the length AB
Frictional resistance acts upwards over the length BC
There is point resistance at level C
Select the correct answer using the codes given below :

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

What is the correct sequence of the following metals in the decreasing order of their Poission's ratio ?
(a) Aluminium
(b) Cast iron
(c) Steel
Select the correct answer using the code given below :

  • 1 - 2 - 3
  • 2 - 1 - 3
  • 1 - 3 - 2
  • 3 - 1 - 2
Q.3

In the phase diagrams given, the change due to initial state changing into final state is shown due to consolidation. Depth of soil layer undergoing consolidation is H ; e0 is initial void ratio; ef is final void ratio ; Δe is change in void ratio. Indicate which of the following expressions gives settlement of the layer :

Q.4

The slenderness ratio of a compression member in the context of Rankine's formula is defined as

Q.5

A projectile is fired horizontally with a velocity of 6 m/s from a point of height h m above andm away from an object. What is the value of h required so that projectile hits the object ?

  • 4.9 m
  • 9.8 m
  • 6 m
  • 19.6 m
Q.6

Consider the following soil parameters and conditions :
Drainage conditions
Thickness of layer
Initial void ratio
Over-burden pressure
The magnitude of settlement is influenced by,

  • 1, 2 and 3
  • 2, 3 and 4
  • 1, 3 and 4
  • 1, 3 and 4
Q.7

Which of the following statements are true for the pile shown in the figure ?
Frictional resistance acts upwards through the length of the pile.
Negative skin friction acts over the length AB
Frictional resistance acts upwards over the length BC
There is point resistance at level C
Select the correct answer using the codes given below :

  • 1, 3 and 4
  • 2, 3 and 4
  • 1 and 2
  • 2 and 3
Q.8

A three-hinged circular arch ACB is formed by two quadrants of circles AC and BC of radiiand R respectively with C as crown, as shown in the figure at side. Consider the following in respect of the reactive forces developed at support A and B due to concentrated load W at the Crown.
Line of action RA at A is inclined asto the horizontal.
VA = VB = W/2
HB = 2 HA
HA = HB = W/2
Which of the above is/are correct ?

  • 1 and 3
  • 2 and 3
  • 1, 2 and 4
  • 4 only
Q.9

The given diagrams show the details of two simply supported beams B1 and B2. EI is constant throughout the length and same for both the beams. The beams have the same area of cross-section and the same depth. What is the ratio of maximum bending stress in B2 to that in B1 ?

  • 4
    95-577-4.png
  • 1
    95-577-4.png
  • 2
    95-577-4.png
Q.10

A simply supported beam of span (l) carries a point load W at midspan. The breadth 'b' of the beam along the entire span is constant. Given, f = permissible stress in bending, for a beam of uniform strength, the depth of the beam at any cross-section, at a distance x from the support would be :

  • 6Wx/fb
  • 6Wx/fb
  • 3 Wx/fb
  • 3 Wx/fb
Q.11

Which of the following statements are true for the pile shown in the figure ?
Frictional resistance acts upwards through the length of the pile.
Negative skin friction acts over the length AB
Frictional resistance acts upwards over the length BC
There is point resistance at level C
Select the correct answer using the codes given below :

  • 1, 3 and 4
  • 2, 3 and 4
  • 1 and 2
  • 2 and 3
Q.12

When the recirculation ratio in a high rate trickling filter is unity, then what is the value of the recirculation factor ?

  • 1
  • > 1
  • < 1
  • Zero
Q.13

In the figure shows, the effective pressure at C is given by (symbols have the usual meanings)

  • (h + z) yw
  • zyw
  • zySub
  • hyw + zysat
Q.14

Consider the following operations in a spire test :
Depress telescope and sight a point on the ground nearer to the instrument
Clamp horizontal plates
Sight a well defined high point on a high building
Change face and repeat the procedure.
The correct sequence of these operations is

  • 1, 2, 3, 4
  • 3, 1, 2, 4
  • 3, 2, 1, 4
  • 2, 1, 3, 4
Q.15

In the phase diagrams given, the change due to initial state changing into final state is shown due to consolidation. Depth of soil layer undergoing consolidation is H ; e0 is initial void ratio; ef is final void ratio ; Δe is change in void ratio. Indicate which of the following expressions gives settlement of the layer :

Q.16

In the figure shows, the effective pressure at C is given by (symbols have the usual meanings)

  • (h + z) yw
  • zyw
  • zySub
  • hyw + zysat
Q.17

For one cubic metre of brick masonry, the number of modular bricks needed is

  • 400 or less
  • 400 to 450
  • 500 to 550
  • 600 to 650
Q.18

To produce low heat cements, it is necessary to reduce the compound

  • C3S
  • C2S
  • C3A
  • C4AF
Q.19

Which one of the following systems of pre-stressing is suitable for pre-tensioned members ?

  • Freyssinet system
  • Magnel-Blaton system
  • Hoyer system
  • Gifford-Udall system
Q.20

The three-point problem in hydrographic surveying considers the data on the location of three shore signals A, B and C and the angles α and β subtended by AP, BP and CP at the boat P; and then proceeds to plot the position of P. The problem may become indeterminate is special cases when

  • B and P are on opposite sides of the line AC
  • both B and P are on the same side of the line AC
  • P is within the triangle ABC
  • P is very close to the extension of one of the edges of the triangle ABC
Q.21

The probability that the load on a scaffolding will exceed the design load of 3 tonnes is 0.At the same time, the probability that the strength of the scaffolding will be more than 3 tonnes is 0.The probability that the scaffolding will fail is

  • 0.2775
  • 0.1275
  • 0.0225
  • 0.0020
Q.22

The dry density of a soil is 1.5 g/cc. If the saturation water content were 50%, then its saturated density and submerged density would, respectively, be

  • 1.5 g/cc and 1.0 g/cc
  • 2.0 g/cc and 1.0 g/cc
  • 2.25 g/cc and 1.25 g/cc
  • 2.0 g/cc and 1.50 g/cc
Q.23

A sewer,mm in diameter is laid at a slope to obtain a velocity of 0.8 m/s when running full. Assuming Manning's n as constant, what is the velocity in this sewer if it is running half full.

  • 0.2 m/s
  • 0.4 m/s
  • 0.6 m/s
  • 0.8 m/s
Q.24

Consider the following statements :
Liquefaction is a phenomenon
observed in fine sands
associated with development of positive pore pressure.
Which of the statements given above is/are correct ?

  • 1 only
  • 2 only
  • Both 1 and 2
  • Neither 1 nor 2
Q.25

Consider the following factors :
Period of construction, winter/summer
Degree of foundation roughness
Slab thickness
Reinforced/unreinforced
Which of these factors are considered as per IRC for obtaining the maximum expansion joint spacing in rigid pavements ?

  • 1, 2 and 3
  • 2, 3 and 4
  • 2 and 3
  • 1 and 4
Q.26

If R is the radius of the main curve, θ the angle of deflection S the shift and L the length of the transition curve, then the total tangent length of the curve is given by

  • (R - S) tan θ/2 - L/2
  • (R + S) tan θ/2 - L/2
  • (R + S) tan θ/2 + L/2
  • (R - S) tan θ/2 + L/2
Q.27

The 'Euler' load for a column iskN and crushing load iskN. The 'Rankine' load is equal to

  • 600 kN
  • 1000 kN
  • 1500 kN
  • 2500 kN
Q.28

A dry soil has a mass specific gravity of 1.If the specific gravity of solids is 2.then the void ratio will be

  • 0.5
  • 1.0
  • 1.5
  • 2.0
Q.29

A hydraulic model of a spillway is constructed with a scale 1 :If the prototype discharge iscumec, then the corresponding discharge for which the model should be tested is

  • 1 cumec
  • 2 cumec
  • 4 cumec
  • 8 cumec
Q.30

Horizontal stiffeners are needed in plate girders if the thickness of web is(where d = distance between the flanges and L = span)

  • < 6 mm
  • < d/200
  • < L/500
  • nearly equal to flange thickness
Q.31

Consider the following statements :
Higher water-cement ratio in concrete results in
stronger mix.
better workable mix.
a weak mix.
less bleeding.

  • 1 and 2 are correct
  • 2 and 3 are correct
  • 3 and 4 are correct
  • 1 and 4 are correct
Q.32

The "Back sight" reading on a vertically held staff at a point A on the floor along the centre line of a railway tunnel is 3.m, and the "Fore sight" on the inverted staff held at the roof of the tunnel just vertically above A is 1.m. The height of the tunnel along the centre line at floor point A is

  • 2.310 m
  • 3.465 m
  • 4.620 m
  • 6.930 m
Q.33

For carrying out bituminous patch work during the rainy season, the most suitable binder is

  • road tar
  • hot bitumen
  • cutback bitumen
  • bituminous emulsion
Q.34

In a cantilever beam, the bending moment at any section of the beam is equal to the

  • area of the shear force diagram between the free end of the beam and that section
  • area of the bending force moment diagram between the free end of the beam and that section
  • the area of shear force diagram between the fixed end of the beam and that section
  • the vertical ordinate at that section in the shear force diagram
Q.35

Which of the following pairs is/are correctly matched ?
Eutrophication.... Nutrient accumulation leading to ecosystem change occurring in impounded water.
Autotrophism.... Utilization, rearrangement and decomposition of complex materials predominate.
Heterotrophism....Predominance of fixation of light energy, use of simple inorganic substances and built-up complex substances.
Select the correct answer from the codes given below :

  • 1, 2 and 3
  • 1 alone
  • 2 and 3
  • 1 and 3
Q.36

The concentration of hardness producing cations may be estimated using which one of the following ?

  • Conductivity meter
  • pH meter
  • Spectrophotometer
  • Flame photometer
Q.37

Which one of the following, gives the correct decreasing order of the densities of a soil sample?

  • Saturated, submerged, wet, dry
  • Saturated, wet, submerged, dry
  • Saturated, wet, dry, submerged
  • Wet, saturated, submerged, dry
Q.38

In "full face" method of constructing tunnel, the first operation relates to

  • removal to bottom portion
  • excavation of one drift in the centre
  • removal of top portion
  • excavation being done along the perimeter
Q.39

The change in the vertical stress in the soil mass estimated by Boussinesq's equation when Poisson's ratio of soil changes from 0.3 to 0.5 will be

  • reduction by 30%
  • increase by 50%
  • reduction by 20%
  • no change
Q.40

A beam has the same section throughout its length with I = 1 x 108mm4, It is subjected to a uniform B.M. =kNm. E = 2 x 105 N/mm2, What is the radius of curvature of the circle into which the beam will bend in the form of an arc of a circle ?

  • 1000 m
  • 500 m
  • 400 m
  • 350 m
Q.41

Approximate ratio of the permeabilities of two clean soils having D10 = 0.6 mm and D10 = 0.3 mm is

  • 4.0
  • 3.75
  • 4.25
  • 3.5
Q.42

What is the full width of the land aquired before finalizing highway alignment, known as ?

  • width of formation
  • right of way
  • Carriage way
  • Roadway
Q.43

Which one of the following closely represents the shape of the earth?

  • Spheroid
  • Ellipsoid
  • Oblate spheroid
  • Prolate spheroid
Q.44

Which one of the following is not the reason for coning of wheels ?

  • To reduce the wear and tear of wheel flanges and rails
  • To provide the possibility of lateral movement of axle
  • To reduce the unit weight of wheels
  • To prevent wheels from slipping to some extent
Q.45

For a vertical stiffened web of a plate girder, the lesser clear dimension of the panel should not exceed :(Where t is the thickness of the web

  • 85 t
  • 180 t
  • 200 t
  • 250 t
Q.46

On which of the following do the numerical values of Terzaghi's bearing capacity factors depend ?

  • Angle of internal friction of soil and depth of foundation
  • Angle of internal friction of soil only
  • Coefficient of curvature of soil and bulk density of soil
  • Uniformity coefficient of soil and dry density of soil
Q.47

A clay layer 5 m thick in field takesdays to attainconsolidation with condition of double drainage. If the same clay layer is underlain by hard rock then the time taken to attainconsolidation will be

  • 300 days
  • 600 days
  • 900 days
  • 1200 days
Q.48

The tipping load of a crane refers to

  • lifted weight together with all attached handling tackle and hoist rope, with grounded attached outriggers
  • lifted weight together with all attached handling tackle but excluding hoist rope, with specifying the radius horizontally, with grounded outriggers
  • lifted weight alone, with specifying the radius for the lifted weight and also for the counter weight without grounding the outriggers
  • lifted weight alone, at specified horizontal radius without grounding the outriggers.
Q.49

The vertices of an astronomical triangle would include

  • zenith, pole and heavenly body
  • azimuth, zenith and pole
  • azimuth, pole and heavenly body
  • azimuth, zenith and heavenly body
Q.50

The effective throat thickness in mm of a 6 mm size fillet weld with an angle ofbetween the fusion faces is

  • 3.6
  • 4.0
  • 4.2
  • 4.5
0 h : 0 m : 1 s