Hazen’s formula VS = 418 (GS – Gw)d [(3T + 70)/100] is used for the settlement velocity of the particles of diameter

Head width of 52 kg rail section is

Heel divergence is

Heel divergency, the distance between the running faces of stock rail and gauge face of tongue rail, as recommended for Indian B.G. tracks, is

Heel of crossing is the line joining

Henry Gantt developed Bar charts for planning and scheduling of projects in

Herringbone bond is used for

High carbon content in the steel causes

High pH value of water does not produce

High temperature

Higher pitch of the roof
(i)      Results in stronger roof
(ii)     Results in weaker roof
(iii)     Requires more covering material
(iv)      Requires less covering material The correct answer is

Higher workability of concrete is required if the structure is

Higher yield may be expected from

Highstrength concrete is used in pre-stressed member

Highway Research Board (HRB) classification of soils is based on

Hill roads are

Homologous point is

Homologous points are

Hooke’s law states that stress and strain are

Horizontal construction joints in concrete walls are generally provided at

Horizontal curves on highways are provided

Horizontal distances obtained by thermometric observations

Horizontal distances obtained tacheometerically are corrected for

Horizontal stiffener in a plate girder is provided to safeguard against

Hot wire anemometer is used to measure

House connections to the laterals is generally made by

How long will it take for the concrete to achieve 100% of its strength?

Hudson’s formula gives the dead weight of a truss bridge as a function of

Hume steel pipes are

Hydration of cement is due to chemical action of water with

Hydraulic lime is obtained by

Hydraulic mean radius is

Hydrographic surveys deal with the mapping of

Hydrometer is used to determine

Hydrometer readings are corrected for:

I.R.T.D.A. (Indian Roads and Transport Development Association) was set up at Bombay in

I.S. Sieve Nos. 10 mm and 4.75 mm are generally used for grading of

If “δ’ is the declination of the Polaris and ‘ʎ’ is the latitude of the place, the azimuth of the Polaris, is

If (tp) is the angle of repose of soil of weight w kg/m3, the horizontal pressure p at a depth of h metres per metre length of wall, is

If +0.8% grade meets -0.7% grade and the rate of change of grade for 30 m distance is 0.05, the length of the vertical curve will be

If 1500 g of water is required to have a cement paste 1875 g of normal consistency, the percentage
of water is

If 16 flight lines are run perpendicular to an area 30 km wide, their spacings on a photographical map on scale 1 : 50,000 , will be

If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is

If 50 kg of fine aggregates and 100 kg of coarse aggregates are mixed in a concrete whose water
cement ratio is 0.6, the weight of water required for harsh mix, is

If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its

If a 0.7% upgrade meets a 0.65% downgrade at a summit and the permissible rate of change of grade per chain length is 0.10%, the length of the vertical curve, is

If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is

If a ball which is dropped from a height of 2.25 m on a smooth floor attains the height of bounce equal to 1.00 m, the coefficient of the restitution between the ball and floor, is

If a beam fails in bond, then its bond strength can be increased most economically by

If a bent tendon is required to balance a concentrated load W at the centre of the span L, the central dip h must be at least

If a body floating in a liquid occupies a new position and remains at rest in this new position, when given a small angular displacement, the body is said to be in equilibrium.

If a body floating in a liquid returns back to its original position, when given a small angular displacement, the body is said to be in

If a body is acted upon by a number of coplanar non-concurrent forces, it may

If a body is lying on a plane whose inclination with the horizontal is less than the angle of friction, then?
(i)      A force is required to move the body upwards
(ii)     A force is required to move the body downward
(iii)      The body will not be in equilibrium The correct answer is

If a body moves in such a way that its velocity increases by equal amount in equal intervals of time, it is said to be moving with

If a cohesive soil specimen is subjected to a vertical compressive load, the inclination of the cracks to the horizontal is

If a concrete column 200 x 200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 and Es is 15 Ec

If a grading curve is horizontal between the portions of 20 mm I.S. Sieve and 4.75 mm I.S. Sieve,
the graded aggregates do not contain

If a is average number of peaks more than 10 mm of unevenness per kilometre, b is average number peaks more than 6 mm for gauge variation per kilometre and c is average number of peaks more than 2 mm twist per metre, then composite current recording index (Ic), as recommended by Indian Northern Railways, is

If a is switch angle and R is radius of the turnout, the length of the tongue rail, is

If A is the amplitude of particle executing simple harmonic motion, then the total energy E of the particle is

If ‘A’ is the angle formed by two gauge faces, the crossing number will be

If A is the area of the foundation of a retaining wall carrying a load W and retaining earth of
weight w per unit volume, the minimum depth (h) of the foundation from the free surface of the
earth, is

If A is the area of the surface, x is the depth of its C.G. from the surface of the water and u is the density of water, then

If A is the depth of water in metres, B is the number of days of base period and D is the duty in hectare/cumec, the relationship which holds good, is

If a is the observed altitude, the refraction correction in seconds, is

If a is the offset of concrete bed in cms, and d is the depth of concrete bed in cms, then

If a is the optimistic time, b is the pessimistic time and m is most likely time of an activity, the expected time of the activity, is

If A is the projected area of a vehicle in square metres, V is speed of the vehicles in kilometres per hour and C is a constant, then the wind resistance R to the moving vehicles, is given by

If’ A’ is the sectional area of a pre-stressed rectangular beam provided with a tendon pre-stressed
by a force through its centroidal longitudinal axis, the compressive stress in concrete, is

If a Lemniscate curve having an angle of deflection A, is transitional throughout, the maximum polar angle is

If a Lemniscate curve of transition throughout is introduced to connect two parallel roads, the maximum polar angle of the curve, is

If a linear traverse follows a sharp curve round a large lake where it is difficult to have long legs, the accuracy of the traverse may be improved by

If a member is subjected to a tensile force P, having its normal cross-section A, the resulting shear stress in an oblique plane inclined at angle ‘0’ to transverse plane will be

If a pair of angles placed back to back in tension are connected by one leg of each angle, the net effective area of the section, is

If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains

If a particle is projected inside a horizontal tunnel which is 554 cm high with a velocity of 60 m per sec, the angle of projection for maximum range, is

If a rectangular pre-stressed beam of an effective span of 5 meters and carrying a total load 3840 kg/m, is designed by the load balancing method, the central dip of the parabolic tendon should be

If a set of given forces are such that their free vectors build a closed polygon, then

If a shaft is simultaneously subjected to a toque T and a bending moment M, the ratio of
maximum bending stress and maximum shearing stress is

If a soil undergoes a change in shape and volume by application of external loads over it, but recovers its shape and volume immediately after removal of the load, the property of the soil is said to be

If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 x 105 N/mm2) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm2, the angle of twist in radians, is

If a spherical body is symmetrical about its perpendicular axes, the moment of inertia of the body about an axis passing through its centre of gravity as given by Routh’s rule is obtained by dividing the product of the mass and the sum of the squares of two semi-axes by ‘n\ Where, V is

If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is

If a tacheometer is fitted with an anal-latic lens

If absolute levels of rails at the consecutive axles A, B, and C separated by 1.8 metres are 100.505 m, 100.530 m, and 100.525 m respectively, the unevenness of rails, is

If Ac, Asc and A are areas of concrete, longitudinal steel and section of a R.C.C. column and m and
σc are the modular ratio and maximum stress in the configuration of concrete, the strength of
column is

If aggregate impact value is 20 to 30 percent, then it is classified as

If aggregates completely pass through a sieve of size 75 mm and are retained on a sieve of size 60
mm, the particular aggregate will be flaky if its minimum dimension is less than

If an activity has its optimistic, most likely and pessimistic times as 2, 3 and 7 respectively, then its expected time and variance are respectively

If At is the area of steel cross-section, t is working stress, L is width of road and W is weight of slab per square metre, the spacing of the tie bars for a longitudinal joint, is

If average particle size of the silt in millimetres is m, the Lacey’s silt factor f is proportional to

If average volume of sediment deposits is one-tenth million cubic metres per year in a reservoir of total capacity 10 million cubic metres, the dead storage will be filled up, in

If B and d are the bed width and depth of a channel in metres, the combined losses due to evaporation and seepage in cumecs per kilometre length of the channel, is

If Biochemical oxygen demand (BOD) of a town is 20000 kg/day and BOD per capita per day is 0.05 kg, then population equivalent of town is

If brakes of vehicles are effective, the vehicle-running at 30 km/hour comes to a stop in

If C is basic capacity per lane, V is velocity in km/hour, S is stopping distance plus length of the vehicles in metres, the formula C = 1000V/S is applicable to

If C is creep coefficient, f is original pre-stress in concrete, m is modular ratio, E is Young’s modulus
of steel and e is shrinkage strain, the combined effect of creep and shrinkage is:

If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be

If cross slope of a country is 10% to 25%, the terrain is classified as