GATE PI 2009
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GATE PI

Hot chamber die casting is NOT suited for
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A solid cylinder of diameter $$D$$ and height equal to $$D,$$ and a solid cube of side $$L$$ are being sand cast by usin
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The value of the determinant $$\left| {\matrix{ 1 & 3 & 2 \cr 4 & 1 & 1 \cr 2 & 1 &
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The value of $${x_3}$$ obtained by solving the following system of linear equations is $$${x_1} + 2{x_2} - 2{x_3} = 4$$
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The total derivative of the function $$'xy'$$ is
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The line integral of the vector function $$\overrightarrow F = 2x\widehat i + {x^2}\widehat j\,\,$$ along the $$x$$ - a
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The solution of the differential equation $${{{d^2}y} \over {d{x^2}}} = 0$$ with boundary conditions (i) $${{dy} \over
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The homogeneous part of the differential equation $$\,{{{d^2}y} \over {d{x^2}}} + p{{dy} \over {dx}} + qy = r\,\,$$ ( $$
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During the numerical solution of a first order differential equation using the Euler (also known as Euler Cauchy) method
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Consider steady flow of water in a situation where two pipe lines (pipe $$1$$ and pipe $$2$$) combine into a single pipe
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The pressure drop for laminar flow of a liquid in a smooth pipe at normal temperature and pressure is
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Heat is being transferred convectively from a cylindrical nuclear reactor fuel rod of $$50mm$$ diameter to water at $${7
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Autogeneous gas tungsten arc welding of a steel plate is carried out with welding current of $$500A,$$ voltage of $$20V,
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Resistance spot welding of two steel sheets is carried out in lap joint configuration by using a welding current of $$3$
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Resistance spot welding of two steel sheets is carried out in lap joint configuration by using a welding current of $$3$
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Diamond cutting tools are not recommended for machining of ferrous metals due to
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In an orthogonal machining operation , the tool life obtained is $$10min$$ at a cutting speed of $$10m/min,$$ while at $
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An orthogonal operation is carried out at $$20m/min$$ cutting speed, using a cutting tool of rake angle $$15deg$$. The c
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An orthogonal operation is carried out at $$20m/min$$ cutting speed, using a cutting tool of rake angle $$15deg$$. The c
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The total angular movement (in degrees) of a lead screw with a pitch of $$5.0mm$$ to drive the work table by a distance
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A titanium sheet of $$5.0mm$$ thickness is cut by wire cut $$EDM$$ process using a wire of $$1.0mm$$ diameter. A uniform
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Anisotropy in rolled components is caused by
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Using direct extrusion process, a round billet of $$100$$ $$mm$$ length and $$50mm$$ diameter is extruded. Considering a
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A disc of $$200$$ $$mm$$ diameter is blanked from a strip of an aluminium alloy of thickness $$3.2$$ $$mm.$$ The materia
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An autocollimator is used to
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Match the following
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