Given that for a soil deposit, K0 = earth pressure coefficient at rest, Ka = active earth pressure coefficient, Kp = passive earth pressure coefficient and u = Poisson's ratio, the value of (1 - μ) is given by
The discharge per unit drawdown at the well is known as :
Consider the following statements :Cement concrete is a/an :Elastic material.Visco-elastic material.Visco-plastic material.Which of the statements given above is/are correct ?
Consider the following statements regarding the phenomenon of bulking of sand :It is due to film of water around sand particles.It is due to capillary action.It is more in finer sands.Which of the following statements given above is/are correct ?
In a closed theodolite traverse, the sum of the latitudes is + 5.m and the sum of the departures is -51.m. The sum of the traverse legs is 20.km. The accuracy of traverse is nearly equal to
In a saturated clay layer undergoing consolidation with single drainage at its top, the pore water pressure would be the maximum at its
If a composite bar of steel and copper is heated, then the copper bar will be subjected to
Which one of the following is the appropriate field test for estimating the angle of shearing resistance φ of a sand deposit ?
A summit curve is formed at the intersection of aupgrade and adowngrade. What is the length of the summit curve in order to provide a stopping distance ofm ?
A normally consolidated clay layer settles bymm when the effective stress is increased fromkPa tokPa. If the effective stress is later increased further fromkPa tokPa, then the additional settlement would be
While designing the superelevation of a highway, its maximum value is fixed considering the need to
A channel of bed slope 0.carries a discharge ofm3/s when the depth of flow is 1.0 m. What is the discharge carried by an exactly similar channel at the same depth of flow if the slope is decreased to 0.?
For stability analysis of slopes of purely cohesive soils, the critical centre is taken to lie at the intersection of
In a fillet weld the weakest section is the
A model of a weir made to a horizontal scale of 1/and vertical scale of 1/9 discharges 1 litre/sec. Then the discharge in the prototype is estimated as
What is the condition for maximum transmission of power through a nozzle at the end of a long pipe ?(where H = total head at the inlet of the nozzle, hf = head loss due to friction )
At a certain station, the mean of the average temperature is 25°C and mean of the maximum daily temperature is 40°C. What is the airport reference temperature (ART) ?
The correct sequence, in the direction of the flow of water for installations in the hydro-power plant is
In water treatment process, the chemical used for defluoridation is
Which one of the following is the correct differential equation of the shape of the cable (similar to electrical cables) of unit weight 'q' with small slopes, as shown in the given figure ?
Water present in an artesian aquifer is usually
The magnitude of acceleration is given by the
Which one of the following is the angular distance between the observer's meridian and the vertical circle passing through a star measured along the celestial horizon ?
Consider the following statements :Pumps in series operation allow the head to increase.Pumps in series operation increase the flow rate.Pumps ill parallel operation increase the flow rate.Pumps in parallel operation allow the head to increase.Which of these statements are correct ?
Consider the following discharge measurement devices :Cylindrical mouthpiece flowing fullSharp-edged orificeConvergent-divergent mouthpieceBorda's re-entrant mouthpiece flowing freeThe correct sequence of increasing order of their discharge coefficients is
A bar 4 cm in diameter is subjected to an axial load ofThe extension of the bar over a gauge length ofcm is 0.cm. The decrease in diameter is 0.cm. The Poisson's ratio is
Stresses obtained from Boussinesq's theory are considered reasonably satisfactory in foundation engineering because:
What is the maximum possible value of Poisson's ratio for a non-dilatant material ?
In setting out a long straight line for the position of transmission towers, it is recommended that the forward point be set out with face-right and face-lett with reference to preceding point and the mean position taken. This field procedure eliminates instruments error where the
Two spheres of masskg andkg, move along a straight line in the same direction with velocities ofm/s and 5 m/s, respectively. If the coefficient of restitution is 0.then the velocity of thekg mass after collision will be
Assuming the safe stopping sight distance to bem on a flat highway section and with a setback distance ofm, what would be the radius of the negotiable horizontal curve ?
The map projection in which the angle between any pair of short lines is represented correctly is called
Which one of the following methods would give accurate results in determining the direction of the observer's meridian ?
Which one of the following is the correct statement ?Smaller size of aggregates in a concrete mix :
Which one of the following statements is the correct description of the structure of fibre board ?
The area between the two isohytescm andcm iskm2, and that betweencm andcm iskm2. What is the average depth of annual precipitation over the basin ofkm2 ?
As elastic bar of length 'l', cross-sectional area A, Young's modulus of elasticity E and self-weight W is hanging vertically. It is subjected to a load P applied axially at the bottom end. The total elongation of the bar is given by.
What is the shape of influence line diagram for the maximum bending moment in respect of a simply supported beam ?
Am tape is held 1 m out of line. The true length is
A square framework formed of uniform heavy rods of equal weight joined together is hung by one corner. A weight W is suspended from each of the three lower corners and the shape of the square is preserved .with the help of a light rod along the horizontal diagonal. The thrust of the light rod is
A septic tank of 7 m3 in volume serves for 5 people. If the rate of accumulation of sludge islitres per capita per year and sludge is removed when it occupiesof its volume, what is the cleaning interval of septic tank ?
Which one of following is not correct for container ports ?
In a project, the contractor is paid on the basis of the running bill for a month. The rate contract for concreting is Rs. 1000/m3 of concrete. The consumption of number of cement of bags of weightkg isThe mix proportion for the concrete is1.4 : 2.with W/C ratio of 0.The approximate billing amount of the month will be
What is the time by which the completion of an activity can be delayed without affecting the start of succeeding activities, called ?
At a Tee-Junction between a lVa brick wall and a 1 brick wall, one uses a
What is the normal depth in a wide rectangular channel carrying 0.5 m3/s discharge at a bed slope of 0.and Manning's n = 0.?
Consider the following statements about a hydraulic ram :Hydraulic ram does not need external power. It works on the fundamental principle of water hammer.The efficiency of a hydraulic ram is only of the order of 8 to 10%.It can be termed as a low, intermittent discharge low-head pumping installation. Which of these statements are correct ?
A saturated clay stratum of thicknessm, bounded on top and bottom by medium coarse sand layers, has a coefficient of consolidation of 0.cm2/s. If this stratum is subjected to loading, it is likely that it would undergoof its primary consolidation in
Which one of the following types of settling phenomenon can be analysed by the classic sedimentation laws of Newton and Stokes ?
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