If $$A$$ and $$B$$ are two matrices and $$AB$$ exists then $$BA$$ exists,

Inverse of matrix $$\left[ {\matrix{ 0 & 1 & 0 \cr 0 & 0 & 1 \cr 1 & 0 & 0 \cr

If the determinant of the matrix $$\left[ {\matrix{ 1 & 3 & 2 \cr 0 & 5 & { - 6} \cr 2 &amp

If $$y = \left| x \right|$$ for $$x < 0$$ and $$y=x$$ for $$x \ge 0$$ then

If $$\varphi \left( x \right) = \int\limits_0^{{x^2}} {\sqrt t \,dt\,} $$ then $${{d\varphi } \over {dx}} = \_\_\_\_\_\_

For the differential equation $$f\left( {x,y} \right){{dy} \over {dx}} + g\left( {x,y} \right) = 0\,\,$$ to be exact is

The differential equation $${{dy} \over {dx}} + py = Q,$$ is a linear equation of first order only if,

$${e^z}$$ is a periodic with a period of

Alkalinity of water can be defined correctly in one of the following ways

MPN index is measure of one of the following:

If the porosity of a soil sample is 20%, the void ratio is

Hyetograph is a graph representing

Lysimeter and Tensiometer are used to measure respectively, one of the following groups of quantities:

The permissible tensile stress in concrete made of M 25 concrete is

The cylinder strength of the concrete is less than the cube strength because of

A hall is covered by a beam and slab system with beams placed at $$3.0$$ $$m$$ center. The effective span of the beam is

A simply supported beam of a beam and slab system, rests on a support of width $$450$$ $$mm.$$ The clear span of the bea

Design a square $$R.C$$ column to resist an axial load of $$400$$ $$kN$$ due to dead load and $$240$$ $$kN$$ due to live

A prestressed concrete rectangular beam of size $$300\,\,mm \times 900\,\,mm$$ is prestressed with an intial prestressin

Factor of safety adopted by IS: 800-1984 while arriving at the permissible stress in axial compression is

Maximum size of a fillet weld for a plate of square edge is

A compound steel column consisting of $$2$$ $$ISHB$$ $$400$$ placed at $$320$$ $$mm$$ centers, carries a total axial loa

Allowable average shear stress in an unstiffened web for beams made of steel of grade $$250\,\,N/m{m^2}$$ is

A small element at the critical section of component is in a state of stress with the two principal stresses being $$36

A cantilever beam of span $$'L'$$ is loaded with a concentrated load $$'P'$$ at the free end. Deflection of the beam at

The degree of Kinematic Indeterminacy of the rigid frame with clamped ends at $$A$$ and $$D$$ shown in the fig. is

For the frame shown in the Fig. the maximum bending moment in the column is,

A propped cantilever beam of span $$'L'$$ is loaded with $$u.d.l$$ of intensity $$w$$/unit length, all through the span.

The force in the member $$DE$$ of the truss shown in the fig. is,

The order for the flexibility matrix for a structure is,

The value of camber recommended for CC roads in area of heavy rainfall is