A concentrated load acting on the surface of a soil produces a stress of 19.1 kPa at a depth of 1 m below it. Using Boussinesq's expression, the stress at 2 m depth is

Which one of the following different types of submerged soils is susceptible to liquefaction under earthquake shocks ?

Consider the following statements :
A good soil for making bricks should contain
aboutalumina
aboutlime nodules
a small quantity of iron oxides
aboutmagnesia.
Of these statements :

The limits of percentage p of the longitudinal reinforcement in a column is

The ratio of pressures between two points A and B located respectively at depths 0.5 m, and 2 m below a constant level of water in a tank is

Loses deposits are formed by

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 ?

For fish habitat in a river, the minimum dissolved oxygen required is

Which one of the following statements is correct ? The number of unknowns to be determined in the stiffness method is equal to :

If all the dimensions of a prismatic bar of square cross-section suspended freely from the ceiling of a roof are doubled then the total elongation produced by its own weight will increase

Allowable disposable rate of application of sludge on land is determined by

A cantilever beam of span l carries a uniformly varying load of zero intensity at the free end and w per metre length at the fixed end. What does the integration of the ordinate of the load diagram between the limits of free and fixed ends of the beam give ?

A and B are two traverse stations free from local attraction errors. If the true bearing of a line AB is 89°, and the magnetic declination at point A isWest, then the magnetic bearing of the line BA would be

Which one of the following statements is correct ?
As the depth of immersion of a vertical plane surface increases, the location of centre of pressure.

Which one of the following statements is correct ?

Which one of the following is the correct statement ? A heterotroph is an organism that obtains

If a descending gradient of 1 inmeets an ascending gradient of 1 inthen the length of valley curve required for a headlight sight distance ofm will be

Consider the following statements :
A project has a mission.
A project has to terminate at some time or the other.
Projects vary in terms of technology, equipment and materials, machinery and people, work ethics and organisational culture.
Amongst the above, the characteristic features for a project are

Consider the following statements :
Seasoning of timber results is
increased strength
increased durability.
reduced resilience.
Of these statements :

Service connection consists of

The acceleration of a particle starting from rest varies with time according to the relation a = - sω² sin ωt
What is the displacement of this particle at a time t ?

For a fully saturated clay Skempton's pore pressure parameter B is

The shear stress distribution over a rectangular cross-section of a beam follows

Consider the following statements regarding settlement of foundations :
Differential settlement of foundation leads to structural damage to the superstructure.
In non-cohesive soils, the major component of settlement is due to consolidation.
Lowering of ground water table contributes of settlement of foundations.
Of these statements :

Which one of the following sections performs better on the ductility criterion ?

Which one of the following gives the correct distance between the lighthouse and a ship, when the lighthouse whose height ism is visible just above the horizon from the ship ?

Gypsum is added to Portland cement during its manufacture so that it may

Eutrophication of water bodies is caused by the

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 :

For which one of the following purposes is the double mass curve used ?

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

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 :

What does high COD to BOD ratio of an organic pollutant represent ?

The sequent depth ratio in a hydraulic jump formed in a horizontal rectangular channel is 16.The flow is supercritical. What is the value of the Froude number of flow ?

Loses deposits are formed by

A solid circular shaft is subjected to a bending moment M and torque T. The ratio of maximum bending stress to the maximum shear stress is given by

For fish habitat in a river, the minimum dissolved oxygen required is

Westergaard's formula for vertical stress gives greater value of stress than that by the Boussinesq's formula, when r/z exceeds :

What is the zone where fish life might tend to progressively dwindle when waste water, is discharged into a river, called ?

If the velocity potential φ = 4 xy, what are the x and y components of velocity at the point(?

For laminar flow through a circular tube, the average velocity at a section is

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

A round steel bar of overall lengthcm consists of two equal portions ofcm each having diameters ofcm and 8 cm respectively. If the rod is subjected to a tensile load oftones, the elongation will be given by :(E = 2 x 10⁶ kg/cm²)

Which one of the following states of field compaction of sand deposit truly represents the corrected standard penetration test value : N (corrected) =?

Unit cost of any item of work can be found by using

For the truss shown in the figure, which one of the following members has zero force induced in it ?

Which one of the following statements is correct ? The number of unknowns to be determined in the stiffness method is equal to :

For the truss shown in the figure, which one of the following members has zero force induced in it ?

Which one of the following methods of O-D traffic surveys is conducted for comprehensive analysis of traffic and transportation data ?

For which one of the following purposes is the double mass curve used ?