GATE PI 2008
View Questions

GATE PI

In hollow cylindrical parts made by centrifugal casting, the density of the part is
View Question
In sand casting of hallow part of lead, a cylindrical core of diameter $$120mm$$ and height $$180mm$$ is placed inside t
View Question
The eigen vector pair of the matrix $$\left[ {\matrix{ 3 & 4 \cr 4 & { - 3} \cr } } \right]$$ is
View Question
The inverse of matrix $$\left[ {\matrix{ 0 & 1 & 0 \cr 1 & 0 & 0 \cr 0 & 0 & 1 \cr
View Question
The value of the integral $$\,\,\int\limits_{ - \pi /2}^{\pi /2} {\left( {x\,\cos \,x} \right)dx\,\,} $$ is
View Question
The value of the expansion $$\mathop {Lim}\limits_{x \to 0} \left[ {{{\sin \left( x \right)} \over {{e^x}X}}} \right]\,\
View Question
If $$\overrightarrow r $$ is the position vector of any point on a closed surface $$S$$ that encloses the volume $$V$$
View Question
In a game, two players $$X$$ and $$Y$$ toss a coin alternately. Whoever gets a 'head' first, wins the game and the game
View Question
For a random variable $$\,x\left( { - \infty < x < \infty } \right)\,\,$$ following normal distribution, the mean
View Question
The solutions of the differential equation $${{{d^2}y} \over {d{x^2}}} + 2{{dy} \over {dx}} + 2y = 0\,\,$$ are
View Question
The value of the expression $${{ - 5 + 10i} \over {3 + 4i}}$$ is
View Question
Laplace transform of $$8$$ $${t^3}$$ is
View Question
Laplace transform of $$sin$$ $$ht$$ is
View Question
Two pipes of uniform section but different diameters carry water at the same volumetric flow rate. Water properties are
View Question
Oil is being pumped through a straight pipe, the pipe length, diameter and volumetric flow rate are all doubled in a new
View Question
Two pipes of inner diameter $$100mm$$ and outer diameter $$110mm$$ each are joined by flash butt welding using $$30V$$ p
View Question
Aluminium strips of $$2mm$$ thickness are joined together by resistance spot welding process by applying an electric cur
View Question
Which of the following powders should be fed for effective oxy-fuel cutting of stainless steel
View Question
Which pair among the following solid state welding processes uses heat from an external source $$P$$- Diffusion welding
View Question
Diamond cutting tools are not recommended for machining of ferrous metals to
View Question
In an orthogonal cutting experiment, an $$HSS$$ tool having the following tool signature in the orthogonal reference sys
View Question
In an orthogonal cutting experiment, an $$HSS$$ tool having the following tool signature in the orthogonal reference sys
View Question
Brittle materials are machined with tools having zero or negative rake angles because it
View Question
During machining, the wear land $$(h)$$ has been plotted against machining time $$(T)$$ as given in the following figure
View Question
The quick return mechanism used in shaper has rocker arm drive of length $$200mm.$$ If the crank radius is $$50mm$$ and
View Question
A stepper motor has $$150$$ steps. The output shaft of the motor is directly coupled to a lead screw of pitch $$4mm,$$ w
View Question
Suppose point $$P1$$ in $$APT$$ (Automatically programmed Tool) programming is coded by statement $$P1 = POINT/XSMALL,\
View Question
In a $$CNC$$ feed drive, a stepper motor with step angle of $$1.8deg$$ drives a lead screw with pitch of $$2mm.$$ The ba
View Question
In a rolling process, thickness of a strip is reduced from $$4mm$$ to $$3mm$$ using $$300mm$$ diameter rolls rotating at
View Question
A $$10mm$$ diameter annealed steel wire is drawn through a die at a speed of $$0.5/sec$$ to reduce the diameter by $$20\
View Question
By application of tensile force, the cross sectional area of bar $$' P '$$ is first reduced by $$30\% $$ and then by an
View Question
A $$10mm$$ diameter annealed steel wire is drawn through a die at a speed of $$0.5/sec$$ to reduce the diameter by $$20\
View Question
Match the following
View Question
A blank of $$50$$ $$mm$$ diameter is to be sheared from a sheet of $$2.5$$ $$mm$$ thickness. The required radial clearan
View Question
The following data are given for calculating limits of dimensions and tolerances for a hole: Tolerance unit $$'i'$$ (mic
View Question
An experimental setup is planned to determine the taper of work piece as shown in the figure. If the two precision rolle
View Question
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12