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

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.
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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 ?

Deck bridges have the main disadvantage that

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

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 T_A and T_B (in kg. cm) at the supports A and B will be respectively

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 ?

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

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

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

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

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 :

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 d_x at a distance x from one of the supports is proportional to

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 ?

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

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 ?

Which one of the following is a compression member ?

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

What does higher standard deviation imply in cost analysis ?

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

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

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

Electrostatic precipitator is a device to control

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 ?

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 ?

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

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 ?

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

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 ?

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

Ruling gradient on highways as per IRC in plane terrain is

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

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

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

Which type of plume may occur during winter nights ?

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

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.
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With a vertical point load on the surface when considering the vertical plane passing through the load, the stress gets reduced by 52.at a depth of

A rigid cantilever frame ABC is fixed at C. It carries a load P at A, as shown in the given figure. Neglecting axial deformation, the vertical deflection of the point A is given by (EI constant throughout the frame).

Consider the following statements :
The disease of dry not in timber is caused by :
complete submergence in water.
alternate wet and dry condition.
lack of ventilation.
Which of the statements given above is/are correct ?

Gypsum is used as an admixture in cement grouts for

Cost-benefit studies are essential to

Which of the following data would be required for the design of progressive type computerised traffic signal system in a series of intersection on a busy street ?
Volume of fast moving traffic
Volume of pedestrain traffic
Volume of slow traffic
Approach speed of fast moving traffic.
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Which one of the following represents the correct relationship between seepage pressure (p_s), unit weight of water (γ_ω) and hydraulic gradient (i), inside an earth dam ?

The smallest scale adopted for topographical surveys is

In highway geometric design, once the cumulative speed distribution is drawn, the design adequacy is checked at which percentile ?

Consider the following statements :
In the critical path method of construction planning free float can be
greater than total float
greater than independent float
equal to total float
less than independent float.
Of these statements :

The radius of curvature of an ideal transition curve should be