In hollow cylindrical parts made by centrifugal casting, the density of the part is

In sand casting of hallow part of lead, a cylindrical core of diameter $$120mm$$ and height $$180mm$$ is placed inside t

The inverse of matrix $$\left[ {\matrix{ 0 & 1 & 0 \cr 1 & 0 & 0 \cr 0 & 0 & 1 \cr

The value of the integral $$\,\,\int\limits_{ - \pi /2}^{\pi /2} {\left( {x\,\cos \,x} \right)dx\,\,} $$ is

The value of the expansion $$\mathop {Lim}\limits_{x \to 0} \left[ {{{\sin \left( x \right)} \over {{e^x}X}}} \right]\,\

If $$\overrightarrow r $$ is the position vector of any point on a closed surface $$S$$ that encloses the volume $$V$$

In a game, two players $$X$$ and $$Y$$ toss a coin alternately. Whoever gets a 'head' first, wins the game and the game

For a random variable $$\,x\left( { - \infty < x < \infty } \right)\,\,$$ following normal distribution, the mean

The solutions of the differential equation $${{{d^2}y} \over {d{x^2}}} + 2{{dy} \over {dx}} + 2y = 0\,\,$$ are

The value of the expression $${{ - 5 + 10i} \over {3 + 4i}}$$ is

The eigen vector pair of the matrix $$\left[ {\matrix{ 3 & 4 \cr 4 & { - 3} \cr } } \right]$$ is

Laplace transform of $$8$$ $${t^3}$$ is

Laplace transform of $$sin$$ $$ht$$ is

Two pipes of uniform section but different diameters carry water at the same volumetric flow rate. Water properties are

Oil is being pumped through a straight pipe, the pipe length, diameter and volumetric flow rate are all doubled in a new

Two pipes of inner diameter $$100mm$$ and outer diameter $$110mm$$ each are joined by flash butt welding using $$30V$$ p

Aluminium strips of $$2mm$$ thickness are joined together by resistance spot welding process by applying an electric cur

Which of the following powders should be fed for effective oxy-fuel cutting of stainless steel

Which pair among the following solid state welding processes uses heat from an external source $$P$$- Diffusion welding

During machining, the wear land $$(h)$$ has been plotted against machining time $$(T)$$ as given in the following figure

Diamond cutting tools are not recommended for machining of ferrous metals to

In an orthogonal cutting experiment, an $$HSS$$ tool having the following tool signature in the orthogonal reference sys

In an orthogonal cutting experiment, an $$HSS$$ tool having the following tool signature in the orthogonal reference sys

Brittle materials are machined with tools having zero or negative rake angles because it

The quick return mechanism used in shaper has rocker arm drive of length $$200mm.$$ If the crank radius is $$50mm$$ and

A stepper motor has $$150$$ steps. The output shaft of the motor is directly coupled to a lead screw of pitch $$4mm,$$ w

Suppose point $$P1$$ in $$APT$$ (Automatically programmed Tool) programming is coded by statement $$P1 = POINT/XSMALL,\

In a $$CNC$$ feed drive, a stepper motor with step angle of $$1.8deg$$ drives a lead screw with pitch of $$2mm.$$ The ba

A $$10mm$$ diameter annealed steel wire is drawn through a die at a speed of $$0.5/sec$$ to reduce the diameter by $$20\

Match the following

A blank of $$50$$ $$mm$$ diameter is to be sheared from a sheet of $$2.5$$ $$mm$$ thickness. The required radial clearan

In a rolling process, thickness of a strip is reduced from $$4mm$$ to $$3mm$$ using $$300mm$$ diameter rolls rotating at

A $$10mm$$ diameter annealed steel wire is drawn through a die at a speed of $$0.5/sec$$ to reduce the diameter by $$20\

By application of tensile force, the cross sectional area of bar $$' P '$$ is first reduced by $$30\% $$ and then by an

The following data are given for calculating limits of dimensions and tolerances for a hole: Tolerance unit $$'i'$$ (mic

An experimental setup is planned to determine the taper of work piece as shown in the figure. If the two precision rolle