GATE 1994 Production & Industrial
37 questions across 1 session
In order to reduce roll pressure in strip rolling, back tension can be applied to strip.
A moving mandrel is used in
In a bending operation, If the modulus of elasticity $$E$$ is increased keeping all other parameters unchanged, the spring back will
In metal forming operation, the true strain in the $$X$$-direction is $$0.3$$ and in the $$Y$$-direction is $$-0.1.$$ The true strain in the $$Z$$-direction is
In producing a punched hole of $$20mm$$ diameter, the dimension of the punch is ........ given the radial die clearance of $$0.1mm.$$
The function of draw bead in the deep drawing operation is to
Solve for $$y$$ if $${{{d^2}y} \over {d{t^2}}} + 2{{dy} \over {dt}} + y = 0$$ with $$y(0)=1$$ and $${y^1}\left( 0 \right) = - 2$$
The value of the following determinant $$\left[ {\matrix{ 1 & 4 & 9 \cr 4 & 9 & {16} \cr 9 & {16} & {25} \cr } } \right]$$ is
If for a matrix, rank equals both the number of rows and number of columns, then the matrix is called
Given matrix $$L = \left[ {\matrix{ 2 & 1 \cr 3 & 2 \cr 4 & 5 \cr } } \right]\,\,$$ and $$M = \left[ {\matrix{ 3 & 2 \cr 0 & 1 \cr } } \right]$$ then $$L \times M$$ is
The matrix $$\left[ {\matrix{ 1 & { - 4} \cr 1 & { - 5} \cr } } \right]$$ is an inverse of the matrix $$\left[ {\matrix{ 5 & { - 4} \cr 1 & { - 1} \cr } } \right]$$
For the following matrix $$\left[ {\matrix{ 1 & { - 1} \cr 2 & 3 \cr } } \right]$$ the number of positive characteristic roots is
Forces in hot extrusion is a function of the strain hardening component of the billet material.
An annealed copper wire of $$25 mm$$ diameter is drawn into a wire of $$5$$ $$mm$$ dia. The average yield stress in this operation if the flow curve of the material is given $$\sig...
Which one of the following manufacturing process requires the provision of 'gutters'
In an orthogonal cutting operation, the cutting velocity is $$30$$ $$m/min$$ and the chip velocity $$15$$ $$m/min.$$ If the rake angle of the tool is $${10^0}$$. Shear velocity wit...
According to Chvorinove's rule, the solidification time of a casting is proportional to [Volume/Surface area] n where $$n=....$$
Abbe's principle of alignment is used in measurements made in .................
In blanking operation, the best way to improve the smoothness and squarness of the edges is to
The composition of an oxy-acetylene flame for cutting of steel contain more oxygen.
$$FAPT$$ is a part programming language.
$$FMS$$ is well suited to mass scale manufacturing.
In $$DNC$$ each machine tool is controlled by a dedicated computer.
In metal cutting $$BUE$$ formation results in
Only negative rake angles are used with the following tool material
The heat generated in metal cutting is dissipated in different proportions into environment, tool, chip and work-piece. The correct order of this proportion in decreasing magnitude...
A part can be machined in $$30$$ minutes on an engine lathe where as it can be machined in $$6$$ minutes on a turret lathe. However, it would cost additionally Rs. $$500$$ to tool...
In an orthogonal cutting operation, The depth of cut $$=2$$ $$mm,$$ Width of cut $$=15$$ $$mm,$$ Cutting speed $$=0.5$$ $$m/s$$ and The rake angle $$=0$$ deg. The cutting force and...
In an orthogonal cutting operation, the cutting velocity is $$30$$ $$m/min$$ and the chip velocity $$15$$ $$m/min.$$ If the rake angle of the tool is $${10^0}$$. The shear angle is
Parting-off operation is carried out on a cylindrical work-piece of $$100mm$$ diameter. The groove width is $$2$$ $$mm$$ and an in feed of $$0.2$$ $$mm$$ per revolution is given at...
In an orthogonal cutting operation, The depth of cut $$=2$$ $$mm,$$ Width of cut $$=15$$ $$mm,$$ Cutting speed $$=0.5$$ $$m/s$$ and The rake angle $$=0$$ deg. The cutting force and...
Parting-off operation is carried out on a cylindrical work-piece of $$100mm$$ diameter. The groove width is $$2$$ $$mm$$ and an in feed of $$0.2$$ $$mm$$ per revolution is given at...
In an orthogonal cutting operation, The depth of cut $$=2$$ $$mm,$$ Width of cut $$=15$$ $$mm,$$ Cutting speed $$=0.5$$ $$m/s$$ and The rake angle $$=0$$ deg. The cutting force and...
Machinability of steels is improved by the addition of
The combination of slip gauges to obtain a dimension of $$10.35$$ $$mm$$ will be
Bentonite is commonly used bonding material for dry sand cores
A cylinder of $$150mm$$ diameter & $$200mm$$ height is to be cast with out any riser. The cylinder is moulded entirely in the drag of a green sand flask & is top gated. The cope of...