The inverse of $$2 \times 2$$ matrix $$\left[ {\matrix{ 1 & 2 \cr 5 & 7 \cr } } \right]$$ is

For what values of $$\alpha $$ and $$\beta $$ the following simultaneous equations have an infinite number of solutions

The minimum and maximum eigen values of matrix $$\left[ {\matrix{ 1 & 1 & 3 \cr 1 & 5 & 1 \cr

The velocity vector is given as $${\mkern 1mu} \vec V = 5xy\widehat i + 2{y^2}\widehat j + 3y{z^2}\widehat k.{\mkern 1mu

If the standard deviation of the speed of vehicles in a highway is $$8.8$$ kmph and the mean speed of the vehicles is $$

The solution for the differential equation $$\,{{d\,y} \over {d\,x}} = {x^2}\,y$$ with the condition that $$y=1$$ at $$x

The degree of the differential equation $$\,{{{d^2}x} \over {d{t^2}}} + 2{x^3} = 0\,\,$$ is

A body originally at $${60^ \circ }$$ cools down to $$40$$ in $$15$$ minutes when kept in air at a temperature of $${25^

Potential function $$\phi $$ is given as $$\phi \, = \,{x^2}\, - \,{y^2}$$. What will be the stream function $$\psi $$ w

The following equation needs to be numerically solved using the Newton $$-$$ Raphson method $${x^3} + 4x - 9 = 0.\,\,$$

Given that one root of the equation $$\,{x^3} - 10{x^2} + 31x - 30 = 0\,\,$$ is $$5$$ then other roots are

The presence of hardness in excess of permissible limit causes

The alkalinity and the hardness of a water sample are 250 mg/L and 350 mg/L as $$CaCo_3$$, respectively. The water has

The plan of a map was photo copied to a reduced size such that a line originally 100mm, measures 90mm. The original scal

The plan of a survey plotted to a scale of 10m to 1cm is reduced in such a way that a line originally 10cm long now meas

The magnetic bearing of a line AB is S 45° E and the declination is 5° west. The true bearing of the line AB is

The water content of a saturated soil and the specific gravity of soil solids were found to be 30% and 2.70, respectivel

The consumptive use of water for a crop during a particular stage of growth is 2.0mm / day. The maximum depth of availab

The culturable command area for a distributary channel is 20,000 hectares. Wheat grown in the entire area and the intens

Consider the following statements: 1. The compressive strength of concrete decreases with increase in water-cement ratio

Consider the following statements: I. Modulus of elasticity concrete increases with increase in compressive strength of

A singly reinforced rectangular concrete beam has a width of $$150$$ $$mm$$ and an effective depth of $$330$$ $$mm.$$ Th

A singly reinforced rectangular concrete beam has a width of $$150$$ $$mm$$ and an effective depth of $$330$$ $$mm.$$ Th

A concrete beam of rectangular cross-section of size $$120$$ $$mm$$ (width) and $$200$$ $$mm$$ (depth) is prestressed by

A bracket connection is made with four bolts of $$10$$ $$mm$$ diameter and supports a load of $$10$$ $$kN$$ a an eccentr

A steel flat of rectangular section of size $$70 \times 6\,\,mm$$ is connected to a gusset plate by three bolts each hav

For an isotropic material, the relationship between the young’s modulus (E), shear modulus (G) and Poisson’s ratio (μ) i

A metal bar of length 100mm is inserted between two rigid supports and its temperature is increased by $$10^o$$C. If the

An axially loaded bar is subjected to a normal stress of $$173$$ $$MPa.$$ The maximum shear stress in the bar is

The shear stress at the neutral axis in a beam of triangular section with a base of $$40$$ $$mm$$ and height $$20$$ $$mm

The maximum and minimum shear stresses in a hollow circular shaft of outer diameter $$20$$ $$mm$$ and thickness $$2$$ $$

A two span continuous beam having equal spans each of length $$L$$ is subjected to a uniformly distributed load $$\omega

A two span continuous beam having equal spans each of length $$L$$ is subjected to a uniformly distributed load $$\omega

A steel column, pinned at both ends, has a buckling load of $$200$$ $$kN.$$ If the column is restrained against lateral

The influence line diagram $$(ILD)$$ shown is for the member

The right triangular truss is made of members having equal cross sectional area of $$1550$$ $$m{m^2}$$ and Young's Modul

A two span continuous beam having equal spans each of length $$L$$ is subjected to a uniformly distributed load $$w$$ pe

A two span continuous beam having equal spans each of length $$L$$ is subjected to a uniformly distributed load $$w$$ pe

The plastic collapse load $${{W_P}}$$ for the propped cantilever supporting two point loads as shown in the figure in te

The stiffness coefficient $${k_{ij}}$$ indicates

While designing a hill road with a ruling gradient of 6%, if a sharp horizontal curve of 50m radius is encountered, the