Consider the following statements :
The salient features of a bar chart over network are that :
It is simple to draw and easy to understand.
It is unable to depict interdependence of activities.
It clearly distinguishes between critical and non-critical activities.
It is not possible to crash activities to get optimum and minimum duration of the project.
Which of the following statements given above are correct ?

Which one of the following is the best method for locating sounding to estimate the dredged material from the harbours ?

A uniform simply supported beam is subjected to a clockwise moment at the left end. What is the moment required at the right end so that rotation of the right end is zero ?

What will be the curve lead for a 1 in 8 1/2 turnout taking off from a straight broad gauge track?

Which one of the following is the correct statement ?
Refractory bricks resist:

Which of the following waste disposal tasks are achieved by a septic tank with its dispersion tranch ?
Aerobic sluge digestion
Settling and anaerobic sludge digestion
Anaerobic sewage stabilisation
Bio-oxidation of effluent
Select the correct answer using the codes given below :

The difference between the sum of the angles of a plane triangle and the sum of the angles of a spherical triangle is one second when the triangle on the earth surface has an area of about

A roaring rail has which one of the following defects ?

Consider the following statements :
Excess of sulphur in steel results in
red shortness
segregation
coldshortness.
Of these statements :

In a three-dimensional incompressible flow, the velocity component in the X and Y directions are u = 2x² + z² + 6 and v = y² + 2z² +What is the velocity component in the z-direction ?

A clay soil specimen when tested in unconfined condition gave an unconfined compressive strength ofkN/m². A specimen of the same clay with the same initial condition is subjected to a UU triaxial test under a cell pressure ofkN/m². The axial stress (in kN/m²) at failure would be

A cantilever beam of T cross-section carries uniformly distributed load. Where does the maximum magnitude of the bending stress occur ?

If the diameter of a shaft subjected to torque alone, is doubled, then the horse power P can be increased to

What should be the minimum grade of reinforced concrete in and around sea coast construction?

The initial and final void ratios of a clay sample in a consolidation test are 1 and 0.respectively. If the initial thickness of the sample is 2.4 cm, then its final thickness will be

Consider the following assumptions :
Failure occurs on a plane surface.
Wall is smooth but not necessarily vertical.
Failure wedge is a rigid body.
Coulomb's theory of earth pressure is based on assumptions

An open channel carrying super critical flow is provided with a smooth expansion along the direction of flow. When no other considerations interfere, then the water surface.

A cylindrical bar ofmm diameter and 1 m length is subjected to a tensile test. Its longitudinal strain is 4 times that of its lateral strain. If the modulus of elasticity is 2 x 10⁵ N/mm², then its modulus of rigidity will be

What is the predominating coagulation mechanism for raw water having high turbidity and high alkalinity?

The following quantities refer to a channel section used as a beam :
b = width of flange (upto centre of web thickness).
h = depth of web (c/c of flange thickness).
t = thickness of flange and web.
I = moment of inertia of channel about xx axis.
e = distance of shear centre, outside the channel from the mid thickness of the web.
The value of 'e' is given by

The expansion and shrinkage of plywoods are comparatively very low as

Consider the following statements :
The standard penetration test is a reliable method for measuring the relative density of granular soils.
For a sand having the same relative density, N-values remain the same at all depths.
For a sand having the same relative density, N-values are different at different depths.
Which of the statements given above is/are correct ?

While aligning a hill road with a ruling gradient of 1 inhorizontal curve of radiusm is encountered. The compensated gradient on the curve will be

Which one of the following pairs is not correctly matched ?

Which one of the following shovel excavators is considered most efficient in loading carriers ?

A propped cantilever of span 4 m is fixed at A and propped at B. The beam carries a u.d.l. of 1 t/m over the entire span. The reaction at B is

Which of the following are claimed as advantageous in respect of aerobic sludge digestion as compared to anaerobic sludge digestion ?
Lower BOD concentration in supernatant liquor.
Production of a sludge with excellent dewatering propensity.
Greater production of methane.
Lesser operating cost.
Lesser capital cost.
Select the correct answer using the codes given below :

A sand deposit has a porosity of 1/3 and its specific gravity is 2.The critical hydraulic rediant to cause sand boiling in the stratum will be

Cohesion iskN/m², the unit weight of soil iskN/m³, the factor of safety is 1.5 and stability number is 0.the safe maximum height of the slope is

Consider the following statements :
Welded structures are usually lighter than riveted structures.
Welding allows the arrangement of structural components in such a manner that the joint provides maximum efficiency.
During welding, the members do not get distorted.
Of these statements :

A 2-metre diameter water pipe is required to withstand ameter head of water. Assuming the limiting tensile stress for the pipe material to bekg/cm², the minimum thickness of the material of the pipe to be used will have to be

Clapeyron's theorem is applied to

The momentum correction factor (β) is used to account for

The following statements relate to the pressure exerted by a fluid on a Submerged curved surface :
The vertical component of hydrostatic force acting on a submerged curved surface acts through the centre of volume of the fluid directly above the submerged area.
The horizontal component of the force acting on a curved surface is the hydrostatic force acting on the vertical projection of the curved surface.
The resultant force on a curved surface acts on the bottom of th6 curved surface.
Of these statements :

Which of the following statements is NOT correct ?

Which one of the following methods is usually adopted for site welding of rails ?

In a plane table survey, the plane table station position was to be fixed with respect to three reference points. It was found that one of the reference points was not visible due to some obstruction. It was, therefore decided to make use of the other two points only. Which one of the following statements is true regarding the determination of station position ?

Stratification of water with depth in reservoir (with free surface) is based on temperature. The dark stagnant cooler water layer is known as

The most accurate measurement of the lengths of long survey lines is made by using ?

The fix of a plane table from three known points is good if

Consider the following statements :
Some amount of chlorides is allowed in drinking water because
it helps in killing bacteria.
small quantity of chlorides adds to the taste
it is not injurious to human health.
it is not economical to remove it completely.
Which of these statements are correct ?

At the same mean velocity, what is the ratio of head loss per unit length for a sewer pipe flowing full to that for the same pipe flowing half full ?

Brake is applied on a vehicle which then skids a distance ofm before coming to stop. If the developed average coefficient of friction between the tyres and the pavement is 0.then the speed of the vehicle before skidding would have been nearly

Consider the following types of soil tests :
California bearing ratio
Consolidation
Unconfined compression
The soil tests required to be done in the case of undisturbed samples include

The spacing of tile drains to relieve water-logged land is directly proportional to the

What is the type of soil structure having arrangement of soil particles with a 'face to face' or parallel orientation generally recognized as

Which one of the following statements is not correct ?
A control section in an open channel is the site

Consider the following factors :
Mass of ships to be berthed
Overall transit time
Speed of berthing
Environmental conditions of the port
Which of these factors are taken into account while selecting the type of fender system ?

Which is the major pollutant present in photochemical smog ?

A fill having a volume ofcm is to be constructed at a void ratio of 0.The borrow pit soil has a void ratio of 1.The volume of soil required (in cubic metres) to be excavated from the borrow pit will be