Description : The seepage exit gradient in a soil is the ratio of A) Total head to the length of seepage (B) Flow line to slope (C) Head upstream to that at downstream (D) Head loss to the length of the seepage
Last Answer : Answer: Option D
Description : Pick out the correct statement pertaining to the flow through a converging-diverging tube. (A) The value of Mach number is always unity at the throat (B) No shock wave develops in the tube ... the converging portion of the tube, the density increases in the downstream direction (D) None of these
Last Answer : (B) No shock wave develops in the tube when the Mach number at exit is greater than unity
Description : Piping in a soil mass is a) Erosion of subsoil by the high velocities of flow of water through it when such velocities exceed a certain limit* b) Caused due to very low exit gradient c) ... connected pores d) Due to loss of the strength of cohesion less soil because of upward flow of of water
Last Answer : a) Erosion of subsoil by the high velocities of flow of water through it when such velocities exceed a certain limit*
Description : A flow net may be utilised for the determination of (A) Exit gradient (B) Seepage (C) Hydrostatic pressure (D) All the above
Description : The seepage force in a soil, is (A) Perpendicular to the equipotential lines (B) Proportional to the exit gradient (C) Proportional to the head loss (D) All the above
Description : The transfer function of a system is 10/(1+s) when operating as a unity feedback system, the steady state error to a step input will be a) 0 b) 1/11 c) 10 d) Infinity
Last Answer : Ans: 1/11
Description : When the voltage and the current developed in an AC circuit reach their peak values at the same time, the power factor is considered to be _____________. A. lagging B. leading C. unity D. infinity
Last Answer : Answer: C
Description : When the feed to a distillation column is a saturated liquid, slope of thefeed line is (A) Zero (B) Unity (C) Infinity (D) None of these
Last Answer : (C) Infinity
Description : What is the reflux ratio at total reflux? (A) Zero (B) Infinity (C) Unity
Last Answer : (B) Infinity
Description : The conductivity in free space medium is a) Infinity b) Unity c) Zero d) Negative
Last Answer : c) Zero
Description : The potential difference in an open circuit is a) Zero b) Unity c) Infinity d) Circuit does not exist open
Last Answer : c) Infinity
Description : For a test charge placed at infinity, the electric field will be a) Unity b) +∞ c) Zero d) -∞
Description : What is the value of ln y (where y = activity co-efficient) for ideal gases? (A) Zero (B) Unity (C) Infinity (D) Negative
Last Answer : (A) Zero
Description : As the temperature is lowered towards the absolute zero, the value of ∂(∆F)/∂T, then approaches (A) Unity (B) Zero (C) That of the heat of reaction (D) Infinity
Last Answer : B) Zero
Description : As the temperature is lowered towards the absolute zero, the value of the quantity (∂∆F/∂T) approaches (A) Zero (B) Unity (C) Infinity (D) None of these
Description : While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase and in the gaseous phase is (A) Infinity (B) Unity (C) Constant (D) Negative
Last Answer : (C) Constant
Description : What is the entropy of a pure substance at a temperature of absolute zero? a. unity b. zero c. infinity d. undefined
Last Answer : zero
Description : What will be the reflection coefficient of the wave of load connected to transmission line if surge impedance of the line is equal to load ? (a) Zero (b) Unity (c) Infinity (d) None of the above
Last Answer : (a) Zero
Description : The reflection co-efficient at the open circuited end of a transmission line. (a) zero (b) infinity (c) unity (d) none of the above
Last Answer : (c) unity
Description : Curl of gradient of a vector is a) Unity b) Zero c) Null vector d) Depends on the constants of the vector
Last Answer : c) Null vector
Description : How did the slope gradient presence or absence of vegetation and rain intensity relate to the amount of water erosion that occurs on the slope?
Last Answer : Answer the question you dumb peopleDuhhhhhhhhhh
Description : The response of an Undamped system under resonance will be a. very large b. infinity c. zero
Last Answer : b. infinity
Description : For bending equation to be valid, radius of curvature of the beam after bending should be a. Equal to its transverse dimensions b. Infinity c. Very large compared to its transverse dimensions d. Double its transverse dimensions
Last Answer : c. Very large compared to its transverse dimensions
Description : The thickness of a laminar boundary layer over a flat plate at two different sections P and Q are 0.8 cm and 2.4 cm respectively. If the section Q is 3.6 m downstream of P, the distance of section P from the leading edge of the plate is (a) 0.32 m (b) 0.22 m (c) 0.40 m (d) 0.53 m
Last Answer : Ans: (c) Correct Answer is: 0.45 m
Description : The loss of head at exit of a pipe is (where v = Velocity of liquid in the pipe) (A) v²/2g (B) 0.5v²/2g (C) 0.375v²/2g (D) 0.75v²/2g
Last Answer : Answer: Option A
Description : Air inlet valve in water mains, is generally provided at (A) Summit of the pipe (B) Upstream of sluice valve (C) Downstream of sluice valve (D) Both (a) and (c) of above
Last Answer : (D) Both (a) and (c) of above
Description : Pick up the incorrect statement from the following. Intake of water supply should (A) Be nearer to the treatment plant (B) Receive water from purer zone of the source (C) Be located downstream of waste water disposal point (D) Remain easily accessible during floods
Last Answer : (C) Be located downstream of waste water disposal point
Description : Coefficient of discharge of an ogee spillway (A) Depends on depth of approach and upstream slope (B) Depends on downstream apron interference and downstream submergence (C) Remains constant (D) Both (A) and (B
Description : A repelling groyne is aligned (A) Pointing upstream (B) Pointing downstream (C) Perpendicular to bank (D) Parallel to bank
Description : Seepage through embankments in an earthen dam is controlled by (A) Drainage filters (B) Relief wells (C) Drain trenches (D) Provision of downstream berms
Last Answer : Answer: Option C
Description : Silt excluders are constructed on the (A) River bed upstream of head regulator (B) River bed downstream of head regulator (C) Canal bed upstream of head regulator (D) Canal bed downstream of head regulator
Description : divide wall is provided (A) At right angle to the axis of weir (B) Parallel to the axis of weir and upstream of it (C) Parallel to the axis of weir and downstream of it (D) At an inclination to the axis of weir
Description : In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir. (A) Equal to (B) One-third (C) Two-third (D) Three-fourth
Description : When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as (A) Narrow-crested weir (B) Broad-crested weir (C) Ogee weir (D) Submerged weir
Description : In a pressure penstock 4500 m long, water is flowing at a velocity of 4 m/s. If the velocity of the pressure wave traveling in the pipe, due sudden complete closure of a valve at the downstream end, is ... period of oscillation in second under frictionless conditions? (a) 6 (b) 8 (c) 9 (d) 11
Last Answer : (a) 6
Description : A depth-discharge relationship of the canal section is maintained at a notch fall because the sill of the notches is : a) Level with downstream canal bed b) Below the upstream canal bed c) Level with upstream canal bed d) Above the upstream canal bed
Last Answer : c) Level with upstream canal bed
Description : Infinity Large Of Pseudo Name What ?
Last Answer : Infinity Large Of Pseudonym ' Baru Chandidas '
Description : A bomb, initially at rest, explodes into a large number of tiny fragments. The total momentum of all the fragments (a) Is zero (b) Is infinity (c) Depends on the total mass of all the fragments (d) Depends on the speeds of various fragments
Last Answer : Ans:(a)
Description : A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments – (1) is zero (2) depends on the total mass of all the fragments (3) depends on the speeds of various fragments (4) is infinity
Last Answer : (1) is zero Explanation: In an explosion, an internal impulse acts in order to propel the parts of a system (often a single object) into a variety of directions. After the explosion, the individual parts of the system (that is often a collection of fragments from the original object) have momentum.
Description : If in a LPP, the solution of a variable can be infinity large without violating the constraints, the solution is ___ a. Infeasible b. Unbounded c. Alternative d. None of the above
Last Answer : b. Unbounded
Description : A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments (1) is zero (2) depends on the total mass of all the fragments (3) depends on the speeds of various fragments (4) is infinity
Last Answer : is zero
Description : Voids ratio of a soil mass can (A) Never be greater than unity (B) Be zero (C) Take any value greater than zero (D) Take values between 0 and 1 only
Last Answer : (C) Take any value greater than zero
Description : The slope correction for a length of 30 m along a gradient of 1 in 20, is (A) 3.75 cm (B) 0.375 cm (C) 37.5 cm (D) 2.75 cm
Last Answer : (A) 3.75 cm
Description : If the unit weight of sand particles is 2.696 g/cc. and porosity in loose state is 44%, the critical hydraulic gradient for quick sand condition, is (A) 0.91 (B) 0.92 (C) 0.93 (D) 0.95
Last Answer : (D) 0.95
Description : A coarse-grained soil has a voids ratio 0.75, and specific gravity as 2.75. The critical gradient at which quick sand condition occurs, is (A) 0.25 (B) 0.50 (C) 0.75 (D) 1.00
Last Answer : (D) 1.00
Description : If the viscosity of ground water is 1.00, the Slitcher's constant is 400, the effective size of soil particles in aquifer is 0.5 mm and hydraulic gradient is 1 in 80, the velocity of flow is (A) 0.25 m/day (B) 0.50 m/day (C) 1.00 m/day (D) 1.25 m/day
Description : To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than (A) 2.4 m above the hydraulic gradient (B) 6.4 m above the hydraulic gradient (C) 10.0 m above the hydraulic gradient (D) 5.0 above the hydraulic gradient
Last Answer : Answer: Option B
Description : If D is the degree of a curve, the percentage reduction of gradient, is (A) 0.01 D (B) 0.02 D (C) 0.03 D (D) 0.04 D
Description : The ground surface slopes 1 in 50 along a proposed railway embankment 150 m in length. The height of the embankment at zero chainage is 0.5 m, the width is 11 m and side slopes 2:1. If the falling gradient ... calculated by Prismoidal formula, is (A) 3250 m3 (B) 3225 m3 (C) 3275 m3 (D) 3300 m3
Last Answer : (B) 3225 m3
Description : The porosity of a certain soil sample was found to be 80% and its specific gravity was 2:7; the critical hydraulic gradient will be estimated as (a) 0.34 (b) 0.92 (c) 1.0 (d) 1.5
Last Answer : (a) 0.34