Q.1

A floating body is in stable equilibrium

  • when its metacentric height is zero
  • when the centre of gravity of the body is below the centre of buoyancy
  • when its metacentre is above the centre of gravity of body
  • in none of the above situations
Q.2

Given that Plasticity Index (PI) of local soil =and PI of sand = zero, for a desired PJ ofthe percentage of sand in the mix should be

  • 70
  • 60
  • 40
  • 30
Q.3

Consider the following statements :
A concrete mixer is specified by the :
volume of the mixing drum.
horse power of the prime mover.
volume of mixed concrete discharged.
mixer drum speed.
feeding arrangement.
Of these statements :

  • 1, 2 and 5 are correct
  • 1, 3 and 4 are correct
  • 3 and 5 are correct
  • 2 and 4 are correct
Q.4

A solid sphere will be in stable equilibrium if its centre of gravity lies

  • vertically above its geometric centre
  • vertically below its geometric centre
  • on the horizontal line through its centre
  • at the centre
Q.5

The formulation for BOD assimilation in a stream should include

  • BOD rate constant
  • Sedimentation of organic matter
  • BOD rate constant and sedimentation of organic matter
  • Pathogenic bacterial decay coefficient
Q.6

In a 4 m wide rectangular channel with 0.8 m depth of flow, a sharp-crested weir of 2.5 m length with its sill 0.3 m above the channel bed is fixed symmetrically across the width of the channel. Taking the flow to be free but with end contractions, what would be the discharge neglecting approach velocity effect? (Take Cd = 0.625)

  • 1.39 m3/s
  • 1.42 m3/s
  • 1.49 m3/s
  • 1.56 m3/s
Q.7

Sheep-foot rollers are recommended for compacting

  • granular soils
  • cohesive soils
  • hard rock
  • any type of soil
Q.8

If the difference of height between two points is 1 m and the slope distance between them ism, then accuracy of slope correction determination could be 1 inprovided the heights are measured with an accuracy of

  • ± 0.1 cm
  • ± 0.5 cm
  • ± 1.0 cm
  • ± 5.0 cm
Q.9

A vehcile was stopped in two seconds by fully jamming the brakes. The skid marks measured 9.8 metre's. The average skid resistance coefficient will be

  • 0.7
  • 0.5
  • 0.4
  • 0.25
Q.10

A shaft turns atrpm under a torque ofNm. Power transmitted is

  • 15 π kW
  • l0 π kW
  • 7.5 π kW
  • 5 π kW
Q.11

In standard penetration test, the splitspoon sampler is penetrated into the soil stratum by giving blows from a drop weight whose weight (in kg) and free fall (in cm) are, respectively,

  • 30 and 60
  • 60 and 30
  • 65 and 75
  • 75 and 65
Q.12

Why are intermediate vertical stiffeners provided in plate girders ?

  • To eliminate web buckling
  • To eliminate local buckling
  • To transfer concentrated loads
  • To prevent excessive deflection.
Q.13

In an external focussing tacheometer, the fixed interval between the stadia hairs is 5 mm; the focal length of the objective iscm ; and the distance of the vertical axis of the instrument from the optical centre of the objective iscm. The constants of the tacheometer are

  • 50 ; 0.40 m
  • 50 ; 0.25 m
  • 100 ; 0.40 m
  • 30 ; 0.10 m
Q.14

For a vertical concentrated load acting on the surface of a semi-infinite elastic soil mass, the vertical normal stress at depth z is proportional to

  • z3
  • z
  • z2
  • 1/z2
Q.15

Which one of the following statements is not correct ?

  • Settling and sludge digestion occur in septic tanks in one compartment
  • Settling and sludge digestion occur in Imhoff tank in different compartments
  • Septic tank is a low-rate anaerobic unit whereas an Imhoff tank is a high rate anaerobic unit
  • The rate of sludge accumulation in septic tank is approximately 40-70 litres/capita/year
Q.16

What is range of values of Poisson's ratio for ductile materials ?

  • 0.10 to 0.15
  • 0.16 to 0.20
  • 0.21 to 0.24
  • 0.25 to 0.33
Q.17

The following are the sewage treatment processes :
Primary sedimentation
Screening
Grit removal
Secondary sedimentation.
When only preliminary treatment is to be given for sewage, select the required treatment proceses including their correct sequence from the codes given below:

  • 2, 3
  • 2, 3, 1
  • 1, 2, 3, 4
  • 3, 1, 2, 4
Q.18

A lemniscate curve between the tangents is transitional throughout, if the polar deflection angle of its apex is equal to (φ in the deflection angle between the initial and final tangents)

  • φ/2
  • φ/4
  • φ/6
  • φ
Q.19

For three-dimensional movement of a weight, which one of the following is most suitable ?

  • Chain hoist
  • Winch
  • Crane
  • Jack
Q.20

For sampling saturated sands and other soft and wet soils satisfactorily, the most suitable soil sampler is

  • open drive thin-walled tube sampler
  • standard split-spoon sampler
  • stationary piston sampler
  • rotary sampler
Q.21

The process by which a mass of saturated soil is caused by external forces to suddenly lose its shear strength and to behave as a fluid is called

  • piping
  • slide
  • quick condition
  • liquefaction
Q.22

The height of a hydraulic jump in a stilling pool was found to becm in a model with lp/lm =The prototype jump height would be

  • 0.6 m
  • 3.6 m
  • 21.6m
  • indeterminable for want of adequate data
Q.23

Two closely-coiled springs A and B of the same material, same wire and same number of turns are subjected to an axial load of W. The mean diameter of spring A is half that of spring B. The ratio of deflection of spring B to that of spring A will be

  • 8
  • 4
  • 1/4
  • 1/8
Q.24

What is the permissible tensile stress is bolts used for column bases ?(Where fy is the yield stress of the steel)

  • 120 N/mm2
  • 150 N/mm2
  • 0.6 fy
  • 0.4 fy
Q.25

Lime stabilisation method is particularly suitably and has been found successful in stabilising

  • clayey soil with expansive nature in water-logged areas
  • sandy desertic area
  • soils having liquid limit less than 30%
  • wind-blown soil deposits
Q.26

Choose the correct statement about horizontal component of resultant hydrostatic pressure on a curved submerged surface :

  • It is equal to the product of pressure at the centroid and the curved area
  • It is equal to the weight of the liquid above the curved surface acting at 0.5 depth of the surface
  • It is equal to the projected area of the surface on a vertical plane multiplied by the pressure at the centre of gravity of area
  • It is equal to the weight of the liquid above the curved surface multiplied by the projected area on a vertical plane.
Q.27

During seepage through an earth mass, the direction of seepage is

  • parallel to the equipotential lines
  • perpendicular to the stream lines
  • perpendicular1 to the equipotential lines
  • along the direction of gravity
Q.28

A structural member carrying a pull ofkN is connected to a gusset plate using rivets. If the pulls required to shear the rivet, to crush the rivet and to tear the plate per pitch length are respectivelykN,kN andkN, then the number of rivets required will be

  • 22
  • 20
  • 18
  • 12
Q.29

Which one of the following is a method of extending the length of record for a frequency curve at a station ?

  • Double Mass Curve method
  • The Station Year method
  • Thiessen method
  • Isohyetal method
Q.30

Consider the following statements pertaining to intermediate stiffeners :
Stiffeners are provided to exclusively bear concentrated loads.
Stiffeners should bear tightly against top and bottom flanges.
Maximum spacing of stiffeners is restrictedt, where t is the thickness of web.
Which of the statements given above is are/correct ?

  • 1, 2 and 3
  • 1 and 2 only
  • 3 only
  • 2 only
Q.31

Consider the following factors :
Initial prestress
Losses in prestress
Depth of cable from extreme compression fibre.
Those which affect the ultimate moment capacity of a prestressed concrete beam would include

  • 1 and 2
  • 1 and 3
  • 1 alone
  • 3 alone
Q.32

On a single rail track, goods trains loaded with heavy iron material run starting from A to B and then empty wagons run from B to A.
The amount of creep in the rails

  • will be more in the direction of B to A
  • will be more in the direction of A to B
  • will be maximum in the direction of A and B
  • cannot be determined from the given data
Q.33

Presence of nitrogen in waste water sample is due to the decomposition of

  • Carbohydrates
  • Proteins
  • Fats
  • Vitamins
Q.34

In a project logic, four activities M, N, O and P are required to be completed before starting activity Q. If the finish times of M, N, O and P aredays,days,days anddays respectively, the earliest event occurrence time for the activity Q is

  • 12 days
  • 14 days
  • 15 days
  • 17 days
Q.35

A mild steel flat of widthmm and thicknessmm is bent into an arc of a circle of radiusm by applying a pure moment 'M' If E is 2 x 105 N/mm2, then the magnitude of the pure moment 'M' will be

  • 2 x 106 N-mm
  • 2 x 105 N-mm
  • 0.2 x 105 N-mm
  • 0.2 x 104 N-mm
Q.36

As the elevation increases, the runways length has to be changed at what rate ?

  • Decreased @ 5% per 300 m rise in elevation above M.S.L.
  • Increased @ 7% per 300 m rise in elevation above M.S.L.
  • Decreased @ 9% per 300 m rise in elevation above M.S.L.
  • Increased @ 15% per 300 m rise in elevation above M.S.L.
Q.37

In standard penetration test, the splitspoon sampler is penetrated into the soil stratum by giving blows from a drop weight whose weight (in kg) and free fall (in cm) are, respectively,

  • 30 and 60
  • 60 and 30
  • 65 and 75
  • 75 and 65
Q.38

Why are intermediate vertical stiffeners provided in plate girders ?

  • To eliminate web buckling
  • To eliminate local buckling
  • To transfer concentrated loads
  • To prevent excessive deflection.
Q.39

Acm diameter friction pile is embeddedm into a homogeneous consolidated deposit. Unit adhesion developed between clay and pile shaft is 4 t/m2 and adhesion factor is 0.The safe load for factor of safety 2.5 will be

  • 21.50 t
  • 11.57 t
  • 10.55 t
  • 6.35 t
Q.40

On a single rail track, goods trains loaded with heavy iron material run starting from A to B and then empty wagons run from B to A.
The amount of creep in the rails

  • will be more in the direction of B to A
  • will be more in the direction of A to B
  • will be maximum in the direction of A and B
  • cannot be determined from the given data
Q.41

In steady laminar flow of a liquid through a circular pipe of internal diameter D, carrying a constant discharge, the hydraulic gradient is inversely proportional to

  • D
  • D2
  • D4
  • D5
Q.42

Presence of nitrogen in waste water sample is due to the decomposition of

  • Carbohydrates
  • Proteins
  • Fats
  • Vitamins
Q.43

The coordinates of two end-points A and B traverse line AB are XA = 1000.m, YA = 1000.m XB = 2000.m, YB = 1000.m The bearing of the line AB will be

  • 0°0'00"
  • 60°0'00"
  • 90°0'00"
  • 180°0'00"
Q.44

King closers are related to

  • doors and windows
  • king post truss
  • queen post truss
  • bricks masonry
Q.45

The optimistic, most likely and pessimistic time estimates of an activity areanddays respectively. What are the expected time and standard deviation ?

  • 12, 3
  • 11, 4
  • 11,
  • 10, 16
Q.46

Two perfectly elastic spheres of equal mass moving in the same direction with their velocities in the ratio 2 : 1 have an impact. After the impact, the two spheres will

  • move in the same direction
  • have in velocity in the ratio of 1 : 2
  • move in opposite directions with velocity the ratio of 1: 2
  • move in the same direction with velocity the ratio of 1: 2
Q.47

The description of solid waste collected is as follows :
Night soil -t
Rubbish -t
Debris -t
Garbage -t
The organic solids in the above composition is

  • 35 t
  • 60 t
  • 100 t
  • 75 t
Q.48

Consider the following statements :
The effect of sea water on hardened concrete is to
increase its strength
reduce its strength
retard setting
decrease its durability.
Of these statements :

  • 1 and 3 are correct
  • 2 and 3 are correct
  • 2 and 4 are correct
  • 1 and 4 are correct
Q.49

The elements that are normally subjected to combined bending and axial forces are

  • struts in reinforced concrete members
  • the members in long span bridges
  • columns in framed structures
  • space truss members
Q.50

Consider the following statements regarding a simply supported beam subjected to a uniformly distributed load over the entire span :
The bending moment is maximum at the central position.
The shear force is zero at the central position.
The slope is maximum at the middle position.
Of these statements :

  • 1, 2 and 3 are correct
  • 1 and 2 are correct
  • 2 and 3 are correct
  • 1 and 3 are correct
0 h : 0 m : 1 s