Under load, the void ratio of a submerged saturated clay decreases from 1.to 0.What will be the ultimate settlement of the 2 m thick clay due to consolidation ?

The following data pertain to a waste-water sample :
Initial D.O. = 8 mg/l
Final D.O. = 2 mg/l
Dilution = 1%.
The B.O.D. of the given wastewater sample is

Consider the following statements with respect to tunnelling methods:
Full face excavation is suitable for small size tunnel of short length in compact rock. It is not suitable in urban areas.
Heading and Benching method is suitable for soft rock tunnelling of medium size.
Drift method is suitable for large tunnels in difficult or incompetent rock.
Which of the statements given above are correct ?

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

Consider the following statements :
The critical path in a network plan of a project
helps in planning efficient time schedule
indicates the shortest path in time
helps in crashing the project judiciously
helps in encouraging discipline in execution.
Of these statements :

A ship is berthed in a chamber and lifted by principles of buoyancy. Such a chmber is called

Ultimate strength of cement is influenced by which one of the following ?

If p is the specific gravity of the material used in the design of a masonry dam of triangular section, then the ratio between the height and base width of the dam for structural safety and stability is equal to

The ratio of the flexural strengths to two beams of square c. oss-section, the first beam being placed with its top and bottom sides horizontally and the second beam being placed with one diagonal horizontally, is

Compression index of a soil helps to determine

Two reservoirs are connected by two pipes A and B of same and length in series. If the diamerer of A islarger than that of B, what is the ratio of head loss in A to that of B ?

A brick masonry wall of nominal thicknessmm carries an axial load ofkN/m and another load ofkN/m acting at an eccentricity ofmm. The resultant eccentricity and eccentricity ratio are respectively

What is the value of camber rate that should be provided in case of WBM pavement surface in an area of heavy rainfall ?

Following data refer to precise measurement of an angle A on the field :
(i) 2A = 20°- weight 2
(ii) 4A = 40°- weight 3
What is the most probable value of angle A ?

A flash mixer of 2.0 m³, with a velocity gradient of mixing mechanisms equal to 660/s, and fluid absolute viscosity of 1.0 x 10^-3 Ns/m² is continuously operated. What is the power input per unit volume ?

A simply supported beam of span 'L' and uniform flexural rigidly EI, carries a central load 'W' and total uniformly distributed load 'W' throughout the span. The maximum deflection is given by

For excavating utility trenches with precise control of depth the excavation equipment used is:

Which of the following pairs are correctly matched ?
Alpha iron....non magnetic
Beta iron....strongly magnetic
Gamma iron....non-magnetic and capable of dissolving carbon.
Delta iron....non-magnetic and absorbs very little carbon.
Select the correct answer using the codes given below :

Which one of the following pairs is not correctly matched ?

A rectangular footing 1 m x 2 m is placed at a depth of 2 m in a saturated clay having an unconfined compressive strength ofkN/m². According to Skempton, the net ultimate bearing capacity is

The percentage of time in a year during which the cross wind component remains within the limit, is :

Among the following, which is/are not pre-treatment unit (s) ?

The maximum bending moment at the left quarter point of a simple beam due to crossing of UDL of length shorter than the span in the direction left to right, would occur after the load had just crossed the section by

Which one of the following statements is correct ?
In a plane truss, influence line values

Consider the following statements relating to the stability of floating as well as submerged bodies :
A submerged body is stable when the centre of gravity is below the centre of buoyancy.
A floating body is stable when the centre of gravity is above the centre of buoyancy.
A floating body is stable when the centre of gravity is below the metacentre.
A submerged body is in stable equilibrium when the centre of gravity coincides with the centre of buoyancy.
Of these statements :

Which one of the following statements is correct ? In the lime-soda process of water softening

What is the volume of a 6 m deep tank having rectangular shaped top 6 m x 4 m and botton 4 m x 2 m (computed through the use of prismoidal formula) ?

'Air binding' may occur in

What is the correct sequence of formation of the following compounds during chlorination of water in which ammonia is present ?
NCl₃
NH₂Cl
NHCl₂
Select the correct answer using the codes given below:

A torsion member is fabricated from two concentric thin tubes. At the ends, the tubes are welded to rigid discs so that both the tubes are twisted as a unit. The radius of the outer tube is 2r and that of the inner tube is r. If the shear stresses developed in the outer tube is τ, then the shear stress in the inner tube will be.

What is the discharge corresponding to a critical depth of 1.m in a 3.0 m wide rectangular channel:

In the design of storm sewers, time of concentration relevant of determine the

Sewage sickness is a term used for

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

The following refer to the stability analysis of an earth dam under different conditions :
Stability of D/S slope during steady seepage.
Stability of U/S slope during sudden drawdown.
Stability of U/S and D/S slopes during construction.
Of these statements :

A floating body is in stable equilibrium

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 :

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

The formulation for BOD assimilation in a stream should include

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 C_d = 0.625)

Sheep-foot rollers are recommended for compacting

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

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

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

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,

Why are intermediate vertical stiffeners provided in plate girders ?

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

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

Which one of the following statements is not correct ?

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