The resultant of two forces each equal to P and acting at right angles is
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The resultant of two forces each equal to P and acting at right angles is
Non coplanar concurrent forces are those forces which
The point through which the whole weight of the body acts, irrespective of its position, is known as
The moment of inertia of a rectangular section 3 cm wide and 4 cm deep about an axis passing through its centre of gravity and parallel to width is
Modulus of rigidity is the ratio of
Two bars of different materials and same size are subjected to the same tensile force. If the bars have unit elongation in the ratio of 3:5, then the ratio of modulus of elasticity of the two materials will be
Modular ratio of the two materials is the ratio of
The young’s modulus of a material is 150 GPa and Poisson’s ratio is 0.25, the modulus of rigidity of the material is
A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The maximum normal stress will be
vessel of 4 $$m^{3}$$ contains oil which weighs 30 kN. The specific weight of the oil is
The variation in the volume of a liquid with the variation of pressure is called its
The pressure of a liquid measured with the help of piezometer tube is
A body floating in a liquid is said to be in a neutral equilibrium, if its metacentre
A Pitot tube is used to measure the
When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as
In open channels, the specific energy is the
Newton’s law of viscosity is a relationship between
The velocity at which the flow changes from laminar flow to turbulent flow is called
When the length of chain used in measuring distance is longer than the standard length, the error in measured distance will be
In a whole circle bearing system N $$20^\circ$$ 15’ W corresponds to
The horizontal angle between the true meridian and a survey line is called
The lines passing through points at which the magnetic declination is equal at a given time are called
The method of plane tabling commonly used for establishing the instrument stations only, is a
The ratio between the area of a crop irrigated and the quantity of water required during its entire period of the growth, is known as
Irrigation canals are generally aligned along
The vertical wells provided along the banks of a river to draw ground water in dry season are called
The desirable limit of chloride content as per BIS standards in water for domestic supplies should not exceed
B-coli or E-coli are generally harmless organisms and their presence in water indicates the
The most common coagulant used in water treatment plants is
The permanent hardness of water can be removed by
Laterite is chemically classified as
Excess of alumina in the clay
The central part of a tree is called
Fender piles are
A brick which is cut in such a way that the width of its one end is half that of a full brick, is called
The vertical distance between the springing line and the highest point on the intrados is called ---------- of the arch.
The super elevation is
The minimum length of a valley curve should be such that the head light beam sight distance is equal to
Junction between the flange and web of a beam is known as
Rolled steel equal and unequal sections are designated as ISA followed by
A strut is a structural member subjected to
Which of the following is a best compression member section?
The longitudinal movement of the rails in a track is technically known as
When two tracks of same or different gauges cross each other at any angle, the crossing provided is
An activity in a project management network is
A critical activity in a project management network has
The relation between void ratio (e), degree of saturation (s), water content (w) and specific gravity of solids (G) is given by
The difference between maximum void ratio and minimum void ratio of a sand sample is 0.25. If relative density of this sample is 60% at a void ratio of 0.40, then the void ratio of this sample at its loosest state will be
Which of the following clay mineral gives maximum swelling?
Toughness index of the soil is the ratio of
A flow line in seepage through a soil medium is defined as the
The ratio of decrease in voids ratio of soil due to increase in effective stress is called
A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflection of the beams A and B will be
A cantilever beam 2.5m long carries a uniformly distributed load 50 KN per meter over length of 1.5m from the free end. The value of maximum shear force and bending moment for the beam will be respectively;
When the water table is close to the ground surface, the bearing capacity of a soil is reduced to
Harsh mix of concrete
The chemical ingredient of cement which provides quick setting property to the cement is
Which of the following cements is expected to have the highest compressive strength after 3 days?
The phenomenon by virtue of which the cement does not undergo large change in volume when mixed with water, in known as
A compaction factor of 0.88 indicates that the workability of concrete mix is
Vertical sides of concrete columns shuttering may be stripped after
The section in which concrete is not fully stressed to its permissible value when stress in steel reaches its maximum value, is called
The effective depth of a singly reinforced rectangular beam is 400 mm. The section is over reinforced and the neutral axis is 180 mm below the top. If the maximum stress attained by concrete is 5 $$\frac{N}{mm^{2}}$$ and the modular ratio is 18, then the stress developed in the steel will be
If the bond stress developed in a reinforced concrete beam is more than permissible value, it can be brought down by
A T beam behaves like a rectangular beam of width equal to its flange, if neutral axis
The analysis of slab spanning in one direction is done by assuming it to be a beam of
A reinforced concrete slab is 75 mm thick. The maximum size of reinforcement bar that can be used is
The drops are provided in flat slabs to resist
In a reinforced concrete retaining wall, a shear key is provided if the
The value of $$\lim_{x \rightarrow 0} (\tan x \log x)$$ is
The general solution of the differential equation $$9yy'+4x = 0$$ is, $$( y' = \frac{dy}{dx}$$, C= constant )
The Laplace transform $$L(e^{at})$$ is, [Note : $$L(f(t)) = \overline f(s)$$]
The number of sub matrices $$(1 \times 2)$$ of a matrix $$(2 \times 3)$$ is
if $$A = \begin{bmatrix}3 & 2 & -1 \\0 & 4 & 6 \end{bmatrix}$$ and $$B = \begin{bmatrix}1 & 0 & 2 \\5 & 3 & 1\\ 6 &4 & 2 \end{bmatrix}$$ Then the product of the matrices $$AB$$ is
If 2 is root of the equation $$2X^{2}+X^{2}-13X+6=0$$, then the equation is exactly divisible by the factor
A determinant $$(\delta)$$ of 3 rows $$(R_{1}, R_{2},R_{3})$$ and 3 columns $$(C_{1}, C_{2},C_{3})$$ has a value $$\delta$$ = 15 . If two columns $$C_{2} and C_{3}$$ of the determinant $$(\delta)$$ are interchanged, then the value of determinant will be
If $$u = \sin^{-1} \frac{x + y}{\sqrt{x} + \sqrt{y}}$$ then by Euler’s theorem, $$x. \frac{\partial u}{\partial x}+y .\frac{\partial u}{\partial y}$$ will be
While calculating the cost of a pile of bricks measured as $$2 m \times 15 m \times 1.2 m$$, the tape is stretched 1% beyond the standard length. If the count is 450 bricks per cubic meter and cost of bricks is Rs. 5,000 per 1000 no’s, the approximate error in the cost is
The series $$1-\frac{1}{2}+\frac{1}{3}-\frac{1}{4}+..............$$ is
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