Q.1

Which one of the following is the correct sound intensity expression with usual notations ?

  • dB = 10 log10 (I/I0)2
  • dB = 10 log10 (I/I0)
  • dB = 10 log10 (I - I0)2
  • dB = 10 log10 (I - I0)
Q.2

Consider the following statements :
A grillage base is checked for
bending
shear
compression
web crippling
Which of these statements are correct ?

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

A vehicle is moving up on an inclined plane. The vehicle has rear-wheel drive. Force of friction on the rear wheels will be in a direction

  • along the plane but backward
  • backward at an angle φ with the plane, where φ is the friction angle
  • along the plane but forward
  • forward at an angle φ with the plane, where φ is the friction angle
Q.4

What does the critical path in PERT represent ?
The shortest path for the earliest completion of the project.
The longest path of the network from the initial to final event,

  • 1 only
  • 2 only
  • Both 1 and 2
  • Neither 1 nor 2
Q.5

Which one of the following statements best defines a 'level surface'?

  • A horizontal surface every element of which is normal to plumb line
  • A curved surface every element of which is perpendicular to the spheroidal shape of the earth
  • A plane surface which is perpendicular at all points to the direction of gravity
  • A curved surface which is perpendicular to the direction of gravity at every point
Q.6

Which one of the following in NOT as excavating the moving type of equipment ?

  • Bulldozer
  • Clam shell
  • Scraper
  • Dump truck
Q.7

Consider the following statements in respect of plate girders :
A large number of cover plates are provided over flange angles so that curtailed flanges match the bending moment diagram exactly.
At least one cover plate should extend over the entire span so that rain water may not enter and corrode the connections.
A minimum of one-third of flange area should be provided in flange angles and balance in flange cover plates for stability.
Which of the statements given above are correct ?

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

What is the superelevation for a horizontal highway curve of radiusm and speedkmph in mixed traffic condition ?

  • 8.9%
  • 6.2%
  • 0%
  • 1%
Q.9

In a circular sewer of diameter D, if the depth of flow is D/what is the wetted perimeter equal to ?

  • πD/4
  • πD/2
  • πD/3
  • 2πD/3
Q.10

If the stress on the cross-section of a circular short column of diameter D is to be wholly compressive, the load should be applied within a concentric circle of diameter

  • D/2
  • D/8
  • D/4
  • D/6
Q.11

In an old map, line PQ was drawn to a magnetic bearing of 6°32', the magnetic declination at that time beingEast. The present magnetic declination is 9°East. The magnetic bearing to which the line is set at present is

  • 357° 50'
  • 356° 50'
  • 3° 10'
  • 2° 10'
Q.12

A soil has liquid limit of 60%, plastic limit ofand shrinkage limit ofand it has a natural moisture content of 50%. The liquidity index of soil is

  • 1.5
  • 1.25
  • 0.6
  • 0.4
Q.13

Which of the following measures are resorted to for strengthening masonry walls ?
Provide cross walls.
Pre-stressing.
Provide gunite slab on the surface(s) of walls.
Provide buttresses.
Select the correct answer using the code given below :

  • 1, 3 and 4
  • 1 and 2
  • 2 and 3
  • 1, 2, 3 and 4
Q.14

In an external focusing tachometer, the fixed interval between static 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. Which one of the following is the set of constant of the tachometer ?

  • 30, 0.15
  • 30, 0.40
  • 50, 0.25
  • 50, 0.40
Q.15

Deck bridges have the main disadvantage that

  • their compression flanges have no lateral support
  • the traffic is exposed to winds
  • it is not possible to provide portal bracings
  • the road level has to be very high
Q.16

For stream function ψ = 3x2 - y3, the magnitude of velocity at the point (is

  • 12.37
  • 12
  • 13
  • 13.5
Q.17

A bar AB, 4 cm is diameter and 4 m long is rigidly fixed at its ends. A torque ofkg/cm is applied at a section of the bar, one metre from end A. The fixing coupled TA and TB (in kg. cm) at the supports A and B will be respectively

  • 9000, 6000
  • 3000, 9000
  • 6000, 9000
  • 9000, 3000
Q.18

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.19

According to the theory of filtration in water treatment, which of the following mechanisms come into play when water is filtered through a filter bed ?
Mechanical straining
Capillary action
Centrifugal force
Electro kinetic phenomenon
Osmotic force
Bacteriological action
Select the correct answer using the code given below :

  • 1, 2, 4 and 6
  • 2, 3 and 5
  • 3, 4, 5 and 6
  • 1, 3, 4 and 6
Q.20

In a restrained retangular slab subjected to uniformly distributed load, the yield lines form first

  • along the shorter span on the loaded face of slab
  • along the longer span on the loaded face of slab
  • at the intersection of shorter and longer side
  • along the centre line of the unloaded face of slab
Q.21

Which one of the following is the correct statement ? A streamlined body is one for which the

  • skin friction is zero.
  • thickness of the body is less than 1/100 of its length
  • corners are rounded off.
  • separation occurs, if at all, at the farthest downstream part of the body.
Q.22

A three-hinged parabolic arch rib with hinges at abutments and at crown is under the action of uniformly distributed load 'W' per unit length over its entire span 'l' through its crown. The bending moment at quarter span is

  • zero
  • Wl2/8
  • Wl2/12
  • Wl2/24
Q.23

A short column of external diameter D1 and internal diameter D2 carries an external load W. For no-tension condition, the eccentricity will be :

  • (D12 - D22)/8D2
  • (D21 - D22)/8D2
  • (D12 - D22)/8D1
  • (D1 - D2)2 /8D1
Q.24

Consider the following statements :
In the case of close coiled spring carrying an axial loading the spring is subjected to :
torsion
axial force
bending moment the effect of which can be neglected.
Of these statements :

  • 1, 2 and 3 are correct
  • 1 and 2 are correct
  • 1 and 3 are correct
  • 2 and 3 are correct
Q.25

A simply supported beam of constant width and varying depth and uniform strength is subjected to a central concentrated load. The depth of the beam dx at a distance x from one of the supports is proportional to

  • x1/2
  • x1/3
  • x
  • x2
Q.26

In a shape test of aggregate, which one of the following gives the correct slot for flakiness index of a material passingmm sieve and retained onmm sieve ?

  • 25 mm
  • 27 mm
  • 81 mm
  • 30 mm
Q.27

When was the water (Prevention and Control of Pollution). Act enacted by the Indian Parliament ?

  • 1970
  • 1974
  • 1980
  • 1985
Q.28

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.29

Which one of the following is a compression member ?

  • Purlin
  • Boom
  • Girt
  • Tie
Q.30

The standard time meridian in India is 82°30'E. If the standard time at any instant ishoursminutes, the local mean time for the place at a longitude of 20°E would be

  • 4h PM
  • 4h 10m PM
  • lh 20m PM
  • 0h 20m AM
Q.31

What does higher standard deviation imply in cost analysis ?

  • Higher uncertainty
  • Lower uncertainty
  • Nothing to do with uncertainty
  • Extra costs are likely
Q.32

Based on the Gaussian law of distribution of random errors, the number of errors that are expected to exceed the limit of ± a, where 0 represents the standard deviation, out ofobservations is

  • 317
  • 46
  • 30
  • 3
Q.33

Which of the following statements about design period are true ?
It is concerned with economy of investment.
It takes into account aspects like life of durability and ease or difficulty of capacity increase of installations.
It considers the frequency of occurrence of extremes of river flow.
It is concerned with estimating future requirements.
Select the correct answer using the codes given below :

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

Which one of the following surveys is employed for collecting sufficient data in connection with sewage disposal and water supply works ?

  • Topographic survey
  • Cadastral survey
  • Geodetic survey
  • Cross-sectioning and profile levelling
Q.35

Which one of the following treatments is economically effective in the control of guinea worm disease ?

  • Chlorination
  • Filtration
  • Ozonation
  • Sedimentation
Q.36

Electrostatic precipitator is a device to control

  • SO2 emission
  • Particulate emission
  • Both SO2 and particulate emission
  • Precipitation of Al(OH)3 in water coagulation.
Q.37

Consider the following statements about provision of sag rods :
Sag rods reduce span length of purlin in the weak direction.
Sag rods are installed in the plane of the roof.
Ridge purlin is subject to vertical components of sag rods on either side of slope.
Which of the statements given above are correct ?

  • 1, 2 and 3
  • 2 and 3
  • 1 and 2
  • 1 and 3
Q.38

Consider the following assumptions of Bowditch method :
Angular measurements are more precise than linear measurements.
Linear measurements are more prescise than angular measurements.
Erros in linear measurements are proportional to L.
Correction to latitude or departure of any side = Total error in L (or D) x Length of that side / Perimeter of traverse.
Which of these statements are correct ?

  • 1 and 4
  • 1, 2 and 3
  • 2, 3 and 4
  • 3 and 4
Q.39

A ball of mass 1 kg moving with a velocity of 2 m/s collides directly with a stationary ball of mass 2 kg and comes to rest after the impact. The velocity of the second ball after impact will be

  • 0
  • 1 m/s
  • 2 m/s
  • 4 m/s
Q.40

The channel section can be designed on the basis of Lacey's Theory. The steps are mentioned below :
Finding out the perimeter
Finding out the velocity
Calculation of the silt factor
Finding out the area
What is the correct sequence of the steps ?

  • 4 - 2 - 3 - 1
  • 3 - 1 - 4 - 2
  • 4 - 1 - 3 - 2
  • 3 - 2 - 4 - 1
Q.41

The correct sequence of plasticity of min-erals in soil in an increasing order is

  • Silica, Kaolinite, Illite, Montmorillonite
  • Kaolinite, Silica, Illite, Montmorillonite
  • Silica, Kaolinite, Montmorillonite, Illite
  • Kaolinite, Silica, Montmorillonite, Illite
Q.42

A bulldozer operates on am stretch and moves at 2.4 kmph when pushing the earth, and returns empty at 6 kmph. The time lost in loading and shifting gears per trip isseconds. Its operating factor is nearlymin/hour. What is the number of trips made per hour ?

  • 31
  • 33
  • 35
  • 37
Q.43

The following four hydrological features have to be estimated or taken as inputs before one can compute the flood hydrograph at any catchment outlet:
Unit hydrograph
Rainfall hydrograph
Infiltration index
Base flow
The correct order in which they have to be employed in the computations is

  • 1, 2, 3, 4
  • 2, 1, 4, 3
  • 2, 3, 1, 4
  • 4, 1, 3, 2
Q.44

Ruling gradient on highways as per IRC in plane terrain is

  • 1 in 30
  • 1 in 60
  • 1 in 100
  • 1 in 200
Q.45

In Lacey's regime theory, the velocity of flow is proportional to :

  • Qf2
  • Q/f2
  • (Qf2)1/6
  • (Q/f2)1/6
Q.46

The ture bearing of a line is40"and the magnetic declination at the place of observation isW on the date of observation. The magnetic bearing of the line is

  • 36° 21' 00"
  • 34° 20' 20"
  • 32° 20' 20"
  • 32° 00' 20"
Q.47

A vertical photograph of a chimney was taken from an elevation ofm above M.S.L, The elevation of the base of the chimney wasm. If the relief displacement of the chimney was 51.4 mm and the radial distance of the image of the top of the chimney wasmm, the height of the chimney is

  • 233.64 m
  • 133.2 m
  • 116.82 m
  • 58.41m
Q.48

Which type of plume may occur during winter nights ?

  • Looping
  • Inversion
  • Coning
  • Lofting
Q.49

Which one of the following expresses the degree of disturbance of undisturbed clay sample due to remoulding ?

  • Thixotropy
  • Dilatancy
  • Sensivity
  • Plasticity
Q.50

Which of the following are the fundamental lines of a theodolite ?
The vertical and horizontal axes
The diagonally opposite screw lines
The line of collimation and axes of the plate levels
The bubble line of the altitude level.
Select the correct answer using the codes given below:

  • 1, 2 and 3
  • 1, 2 and 4
  • 2 and 3
  • 1, 3 and 4
0 h : 0 m : 1 s