GATE PI 1994
GATE PI
Bentonite is commonly used bonding material for dry sand cores
View Question According to Chvorinove's rule, the solidification time of a casting is proportional to [Volume/Surface area]n where $$n
View Question A cylinder of $$150mm$$ diameter & $$200mm$$ height is to be cast with out any riser. The cylinder is moulded entire
View Question The value of the following determinant $$\left[ {\matrix{
1 & 4 & 9 \cr
4 & 9 & {16} \cr
9
View Question The matrix $$\left[ {\matrix{
1 & { - 4} \cr
1 & { - 5} \cr
} } \right]$$ is an inverse of the matri
View Question For the following matrix $$\left[ {\matrix{
1 & { - 1} \cr
2 & 3 \cr
} } \right]$$ the number of pos
View Question Given matrix $$L = \left[ {\matrix{
2 & 1 \cr
3 & 2 \cr
4 & 5 \cr
} } \right]\,\,$$ and $$M
View Question Solve for $$y$$ if $${{{d^2}y} \over {d{t^2}}} + 2{{dy} \over {dt}} + y = 0$$ with $$y(0)=1$$ and $${y^1}\left( 0 \right
View Question If for a matrix, rank equals both the number of rows and number of columns, then the matrix is called
View Question The composition of an oxy-acetylene flame for cutting of steel contain more oxygen.
View Question Parting-off operation is carried out on a cylindrical work-piece of $$100mm$$ diameter. The groove width is $$2$$ $$mm$$
View Question A part can be machined in $$30$$ minutes on an engine lathe where as it can be machined in $$6$$ minutes on a turret lat
View Question In an orthogonal cutting operation, the cutting velocity is $$30$$ $$m/min$$ and the chip velocity $$15$$ $$m/min.$$ If
View Question In an orthogonal cutting operation, the cutting velocity is $$30$$ $$m/min$$ and the chip velocity $$15$$ $$m/min.$$ If
View Question In an orthogonal cutting operation,
The depth of cut $$=2$$ $$mm,$$
Width of cut $$=15$$ $$mm,$$
Cutting speed $$=0.5$
View Question In an orthogonal cutting operation,
The depth of cut $$=2$$ $$mm,$$
Width of cut $$=15$$ $$mm,$$
Cutting speed $$=0.5$
View Question In an orthogonal cutting operation,
The depth of cut $$=2$$ $$mm,$$
Width of cut $$=15$$ $$mm,$$
Cutting speed $$=0.5$
View Question Parting-off operation is carried out on a cylindrical work-piece of $$100mm$$ diameter. The groove width is $$2$$ $$mm$$
View Question $$FMS$$ is well suited to mass scale manufacturing.
View Question In $$DNC$$ each machine tool is controlled by a dedicated computer.
View Question $$FAPT$$ is a part programming language.
View Question Match the following
View Question Machinability of steels is improved by the addition of
View Question In metal cutting $$BUE$$ formation results in
View Question Only negative rake angles are used with the following tool material
View Question The heat generated in metal cutting is dissipated in different proportions into environment, tool, chip and work-piece.
View Question The function of draw bead in the deep drawing operation is to
View Question In a bending operation, If the modulus of elasticity $$E$$ is increased keeping all other parameters unchanged, the spri
View Question In blanking operation, the best way to improve the smoothness and squarness of the edges is to
View Question In producing a punched hole of $$20mm$$ diameter, the dimension of the punch is ........ given the radial die clearance
View Question In metal forming operation, the true strain in the $$X$$-direction is $$0.3$$ and in the $$Y$$-direction is $$-0.1.$$ Th
View Question Forces in hot extrusion is a function of the strain hardening component of the billet material.
View Question In order to reduce roll pressure in strip rolling, back tension can be applied to strip.
View Question Which one of the following manufacturing process requires the provision of 'gutters'
View Question A moving mandrel is used in
View Question An annealed copper wire of $$25 mm$$ diameter is drawn into a wire of $$5$$ $$mm$$ dia. The average yield stress in this
View Question Abbe's principle of alignment is used in measurements made in .................
View Question The combination of slip gauges to obtain a dimension of $$10.35$$ $$mm$$ will be
View Question A hole is specified as $$\phi 30 \pm 0.04mm$$ with $$\phi \,\,0.01\,\,M.$$ The virtual diameter of the hole (i.e the max
View Question