The pressure gradient in the direction of flow is equal to the :

The head over aV-notch weir increases from 0.m to 0.3 m. The ratio of new discharge to the original discharge is, nearly equal to

A train is hauled by 2-8-2 locomotive with 22.5 tonnes load on each driving axle. Assuming the coefficient of rail-wheel friction to be 0.what would be the hauling capacity of the locomotive ?

On which of the following is the working principle of concrete hammer for non-destructive test based ?

Consider the following statements in regard to aerobic and anaerobic treatment processes :
Biomass production in the aerobic treatment process is more as compared to the anaerobic treatment process.
Start-up period is more in the aerobic treatment process as compared to the anaerobic treatment process.
Energy consumption and production is more in the aerobic treatment process as compared to the anaerobic treatment process.
Which of the statements given above is/are correct ?

Which of the following types of pumps can be used for concreting ?
Piston operated.
Pneumatically operated.
Centrifugal operated, with straight blades.
Screw type.

Which one of the following specifications for length of base line refers to Third Order Triangulation system ?

For a circular curve of radiusm, the coefficient of lateral friction of 0.and the design speed iskmph. The equilibrium superelevation (for equal pressure on inner and outer wheel) would be

The normal duration and normal cost of an activity aredays and Rs 350/- respectively. The cost slope is Rs 75/- per day. If the crash duration is 8 days, then what is the crash cost of the activity ?

The optimistic, most likely, and pessimistic estimates of time for an activity are 4 days,days anddays respectively. The expected completion time of this activity is

If the staff intercept on a staff located atm from the level for five division deviation of the bubble is 0.m and if the length of one division of the bubble is 2 mm, then the radius of curvature of the bubble is 0.m and if the length of one division of the bubble is 2 mm, then the radius of curvature of the bubble tube is

What is the ratio of rate of back-washing to that of filtration in a typical rapid sand filter ?

A circle of radius 7 m has a standard error of 0.m on the radius. The standard error of its area is

When are dropman holes provided in a sewerage system ?

Why are bricks soaked in water before using in brick masonry ?

Soil at a site consists of two layers. The top layer has permeability k units and bottom layer has permeabilityunits. If the thickness of both the layers is equal, then what is the average permeability in the vertical direction ?

The double-line field book is most commonly used for recording

When the strain in a material increases with time under sustained constant stress, the phenomenon is known as

Consider the following statements with ragard to crack formation and its control:
The surface width of the crack should not, in general, exceed 0.mm for structures not subjected to aggressive environment.
When depth of web in a beam exceedsmm, side face reinforcement @ 0.1 percent of web area should be provided on each face.
The nominal spacing of main bars in a slab should not exceed three times the effective depth of a solid slab ormm, whichever is smaller.
Which of the statements given above is/are correct ?

The principle of virtual work states that the virtual work is zero for

Given for a soil sample :
Degree of saturation = 90%
Specific gravity of soil grains = 2.70
Void ratio = 0.30
The water content of the sample is

For medium silt where average grain size is 0.mm, Lackey's silt factor is likely to be

When a single point load W travels over a simply supported beam, what is shape of the graph for maximum positive or negative shear force ?

Consider the following statements in the context of aeolian soils :
The soil has low density and low compressibility
The soil is deposited by wind
The soil has large permeability.
Of these statements :

Non-disposal of solid waste may cause the spread of

If the magnitude of the resultant of two forces F andacting at a point O isN, and the included angle between F andis 90°, then what is the magnitude of F ?

The moment of inertia of a given rectangular area is minimum about

Consider the following statements :
If a simply supported beam of uniform cross-section is subjected to a clockwise moment at the left support and an equal anticlockwise moment at the right support, then the
B.M.D. will be in the shape of a rectangle.
S.F.D. will be a straight line coinciding with the base.
deflection curve will be in the shape of a circular arc.
Of these statements :

A train is hauled by 2-8-2 locomotive with 22.5 tonnes load on each driving axle. Assuming the coefficient of rail-wheel friction to be 0.what would be the hauling capacity of the locomotive ?

Consider the following statements :
For the manufacture of good quality bricks it is essential to
use a reverberatory kiln.
blend the soil with clay or sand as deemed appropriate.
knead the soil in a ghani.
temper the soil in a pug mill.
Of these statements;

A bed of sand consists of three horizontal layers of equal thickness. The value of Darcy's k for the upper and lower layers is 1 x 10^-2 cm/sec and that for the middle layer is 1 x 10^-1 cm/sec. The ratio of the permeability of the bed in the horizontal direction to that in the vertical direction is

The wood preservative "Creosote" is derived from

An upward hydraulic gradient i of a certain magnitude will initiate the phenomenon of boiling in granular soils. The magnitude of this gradient is

Two long columns C₁ and C₂ are made of the same materials. Column C₁ has both the ends hinged while column C₂ has one end hinged and other end fixed. What is the ratio of the critical load for C₁ to that of C₂ according to the Euler's formula ?

For medium silt where average grain size is 0.mm, Lackey's silt factor is likely to be

Which of the following pairs are correctly matched ?
Standard penetration test....Relative density
Vane shear....Cohesion
Consolidation test....Bearing capacity
Select the correct answer using the codes given below :

A journey from work to home made by walking to the bus, travelling by bus to the station and completing the journey by train is regarded as

What is the steepest gradient permissible on acurve for B.G. line having using gradient of 1 in?

Consider the following assumptions in the analysis of a plane truss
The individual members are straight.
The individual members are connected by frictionless hinges.
The loads and reactions act only at the joints.
Of these assumptions :

If the efficiencies of BOD removal of first-stage and second-stage trickling filters are each 65.0%, then what is the overall BOD removal efficiency of these filters ?

Which one of the following related to domestic potable water quality is correct?

To determine the length of a bridge proposed to be built across a wide river, the surveying method of choice would be

Well-graded dense saturated sands have high shear strength because :

Increase in fineness of cement

For medium silt where average grain size is 0.mm, Lackey's silt factor is likely to be

Neglecting self weight, which of the following beams will have points of contraflexure ?

The normal duration and normal cost of an activity aredays and Rs 350/- respectively. The cost slope is Rs 75/- per day. If the crash duration is 8 days, then what is the crash cost of the activity ?

A cantilever beam of uniform EI has span equal to 'L'. An upward force W acts at the mid-point of the beam and a downward force P acts at the free end. In order that the deflection at the free end is zero, the relation between P and W should be

Increase in fineness of cement

In a shear test on cohesionless soils, if the initial void ratio is less than the critical void ratio, the sample will :