A moist soil sample weighing 108 g has a volume of 60 cc. If water content is 25% and value of G = 2.52, the void ratio is

A mono-block sleeper has

A mortar joint in masonry which is normal to the face of wall is known as

A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called

A nautical mile is

A normally consolidated clay settled 10 mm when effective stress was increased from 100 kN/mz to 200 kN/mz. If the effective stress is further increased from 200 kN/mz to 400 kN/mz, then the settlement of the same clay is

A notch is used to measure of liquids.

A nozzle is generally made of

A nozzle placed at the end of a water pipe line discharges water at a

A nuisance is experienced in diluting water if dilution factor is less than

A number of forces acting simultaneously on a particle of a body

A one dimensional flow is one which

A part of the slab may be considered as the flange of the T-beam if

A partially saturated sample of soil has a unit weight of 2.0 g/cm3 and specific gravity of soil particles is 2.6. If the moisture content in the soil is 20%, the degree of saturation is

A partially saturated soil is classified as

A particle executes a simple harmonic motion. While passing through the mean position, the particle possesses

A particle is dropped from a height of 3 m on a horizontal floor, which has a coefficient of restitution with the ball of 1/2. The height to which the ball will rebound after striking the floor is

A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is

A particle is executing simple harmonic motion in a line 1.0 m long. If the time of one complete vibration is 1 sec, then the maximum velocity of the particle is

A particle moves in a straight line and its position is defined by the equation x = 6 t2 – t3 where’t’ is expressed in seconds and V in meters. The maximum velocity during the motion is

A particle moves with a velocity of 2 m/sec in a straight line with a negative acceleration of 0.1 m/sec2. Time required to traverse a distance of 1.5 m, is

A particle moving with a simple harmonic motion, attains its maximum velocity when it passes

A passive sensor uses:

A perfect gas

A perfectly black body:

A phreatic line is defined as the line within a dam section below which there are

A piece of metal of specific gravity 13.6 is placed in mercury of specific gravity 13.6, what fraction of it volume is under mercury?

A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury?

A piece of timber whose thickness and width are respectively 5 cm and 10 cm is called

A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is

A piece weighing 3 kg in air was found to weigh 2.5 kg when submerged in water. Its specific gravity is

A Piezometer tube is used only for measuring

A pile is being driven with a drop hammer weighing 1800 kg and having a free fall of 1.00 m. If the penetration with last blow is 5 mm, the load carrying capacity of the pile, -according to the Engineering News formula, is

A pile of length carrying a uniformly distributed load per metre length is suspended at two
points, the maximum, B.M. at the centre of the pile or at the points of suspension, is

A pile of length ‘L’ carrying a uniformly distributed load ‘W’ per metre length is suspended at the centre and from other two points 0.15 L from either end ; the maximum hogging moment will be

A pilot flies a small plane in a vertical loop of radius V. At the top of its trajectory he experiences weightlessness. If the acceleration due to gravity is ‘g’ the speed of the plane at the top of its trajectory would be

A pin-jointed plane frame is unstable if

A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called

A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a

A pipe which is installed in the house drainage to preserve the water seal of traps is called

A pitot tube is used to measure the

A plate parallel is the line on the plane of the negative

A point subjected to a number of forces will be in equilibrium, if

A point, in a compressible flow where the velocity of fluid is zero, is called

A pointed arch which forms isosceles or equilateral triangle, is generally known as

A portion of an embankment having a uniform up-gradient 1 in 500 is circular with radius 1000 m of the centre line. It subtends 180° at the centre. If the height of the bank is 1 m at the lower end, and side slopes 2:1, the earth work involved.

A pre-cast pile generally used, is

A pressure conduit carrying water beneath a stream or a canal, is known as

A pressure conduit laid underground, may not be subjected to

A pressure of 25 m of head of water is equal to

A pre-stressed concrete member

A pre-stressed concrete member is preferred because

A pre-stressed concrete pile is

A pre-stressed rectangular beam which carries two concentrated loads W at L/3 from either end, is
provided with a bent tendon with tension P such that central one-third portion of the tendon
remains parallel to the longitudinal axis, the maximum dip h is

A prime coat is given to steel work with

A projectile has maximum range of 40 m on a horizontal plane. If angle of projection is a and the time of flight is 1 second, then sin a must be about (Assume g = 10 m/sec2)

A projectile is fired at an angle ‘0’ to the vertical. Its horizontal range will be maximum when ‘6’ is

A projectile is fired at an angle θ to the vertical. Its horizontal range will be maximum when θ is

A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height of 100 m, is

A projectile is thrown at an angle ‘a’ to the horizontal with velocity V. It will have the maximum centripetal acceleration

A projecting piece usually provided to support a truss, is

A pug mill is used for

A pycnometer is used to determine

A pycnometer is used to determine

A queen closer is a

A raft foundation is provided if its area exceeds the plan area of the building by

A rain sanitary sewer is constructed to carry

A rainfall may be classified as acidic if its pH value is less or equal to

A rectangular beam 20 cm wide is subjected to a maximum shearing force of 10,000 kg, the
corresponding maximum shearing stress being 30 kg/cm2. The depth of the beam is

A rectangular log of wood is floating in water with a load of 100 N at its centre. The maximum
shear force in the wooden log is

A reduction of nitrogen nutrient in plants:

A reinforced concrete cantilever beam is 3.6 m long, 25 cm wide and has its lever arm 40 cm. It
carries a load of 1200 kg at its free end and vertical stirrups can carry 1800 kg. Assuming concrete
to carry one-third of the diagonal tension and ignoring the weight of the beam, the number of
shear stirrups required, is

A relatively fixed point of known elevation above datum, is called

A retaining wall 6m high supports a backfill with a surcharge angle of 10°. The back of the wall is inclined to the vertical at a positive batter angle of 5°. If the angle of wall friction is 7°, then the resultant active earth pressure will act at a distance of 2 m above the base and inclined to the horizontal at an angle of

A retarding force on a body does not

A ribbed slab is provided for

A rigid body is in a stable equilibrium if the application of any force

A rigid body suspended vertically at a point and oscillating with a small amplitude under the action of the force of gravity, is called

A rigid-jointed plane frame is stable and statically determinate if

A river is said to be of

A river training work is generally required when the river is

A riveted joint many experience

A riveted joint may experience

A roadstead:

A rock contains only one mineral. It is called

A rod 5 m in length is moving in a vertical plane. When it is inclined at 60° to horizontal, its lower end is moving horizontally at 3 m/sec and upper end is moving in vertical direction. The velocity of its upper end, is

A rolled steel joist is simply supported at its ends and carries a uniformly distributed load which causes a maximum deflection of 10 mm and slope at the ends of 0.002 radian. The length of the joist will be,

A roof which slopes in four directions, is called

A safety lamp when inserted in the upper portion of a manhole causes flames. It indicates the presence of

A sample of saturated soil has 30% water content and the specific gravity of soil grains is 2.6. The dry density of the soil mass in g/cm3, is

A satellite goes on moving along its orbit round the earth due to

A satellite moves in its orbit around the earth due to

A saturated soil sample has water content of 40% and specific gravity of soil particles 2.7. The void ratio of the soil, is

A scissors cross over consists of one diamond and

A scissors cross-over consists of

A second horizontal stiffener is always placed at the neutral axis of the girder if the thickness of the web is less than

A Seconds pendulum executes

A Second’s pendulum gains 2 minutes a day. To make it to keep correct time its length

A series of closely spaced contour lines represents a

A sewer is laid from a manhole ‘A’ to a manhole ‘S’, 250 m away along a gradient of 1 in 125. If the reduced level of the invert at ‘A’ is 205.75 m and the height of the boning rod is 3 m, the reduced level of the sight rail at ‘S’, is