GATE ME
Production Engineering
Previous Years Questions

## Marks 1

Match the following part programming codes with their respective functions ...
During the development of a product, an entirely new process plan is made based on design logic, examination of geometry and tolerance information. Th...
A drill is positioned at point $$P$$ and it has to proceed to point $$Q.$$ The coordinates of point $$Q$$ in the incremental system of defining positi...
The function of interpolator in a $$CNC$$ machine controller is to
A robot arm $$PQ$$ with end coordinates $$P(0,0)$$ and $$Q(2,5)$$ rotates counter clockwise about $$P$$ in the $$XY$$ plane by $${90^ \circ }$$. The n...
For machining a rectangular island represented by coordinates $$P(0,0), Q(100,0), R(100,50)$$ and $$S(0,50)$$ on a casting using $$CNC$$ milling mach...
A $$CNC$$ vertical milling machine has to cut a straight slot of $$10$$ $$mm$$ width and $$2$$ $$mm$$ depth by a cutter of $$10$$ $$mm$$ diameter betw...
For generating coon's surface we require
Which type of motor is used in axial or spindle drives of $$CNC$$ m/c tools
$$NC$$ contouring is an example of
Machining of complex shapes on $$CNC$$ machines requires
Cellular manufacturing is suitable for
In computer aided drafting practice, an arc is defined by
$$CNC$$ machines are more economical to use even for simple turning jobs.
$$CNC$$ machines are more accurate than conventional machines because they have a high resolution encoder and digital readouts for positioning
In $$PTP$$ type of $$NC$$ system
Numerically controlled machine tools are better suited for .................. (batch/mass) production, because their setup time is ......... (larger /...
In $$NC$$ part programming spindle speed of $$730rpm$$ will be coded by the magic - $$3$$ rule as

## Marks 2

Circular arc on a part profile is being machined on a vertical $$CNC$$ milling machine. $$CNC$$ part program using metric units with absolute dimensio...
A point $$P\left( {1,\,\,\,3,\,\,\, - 5} \right)$$ is translated by $$2\widehat i + 3\widehat j - 4\widehat k$$ and then rotated counter clockwise by ...
The figure below represents a triangle $$PQR$$ with initial coordinates of the vertices as $$P(1,3),$$ $$Q(4,5)$$ and $$R(5,3.5).$$ The triangle is ro...
In a $$CNC$$ milling operation, the tool has to machine the circular arc from point $$(20, 20)$$ to $$(10, 10)$$ at sequence number $$5$$ of the $$CNC... A triangular facet in a$$CAD$$model has vertices:$${P_1}\left( {0,0,0} \right);\,\,{P_2}\left( {1,1,0} \right)$$and$$\,{P_3}\left( {1,1,1} \right...
For the $$CNC$$ part programming, match Group A with Group B: ...
In a $$CAD$$ package, mirror image of a $$2D$$ points $$P(5, 10)$$ is to be obtained about a line which passes through the origin and makes an angle o...
In a $$CNC$$ program block, $$N002\,\,\,\,G02\,\,\,\,G91\,\,\,\,X40\,\,\,\,Z40....,\,\,\,\,G02\,\,\,\,\& \,\,\,\,G91$$ refer to
Match the following ...
In the feed drive of a point to point open loop $$CNC$$ drive, a stepper motor rotating at $$200steps/rev$$ drives a table through a gear box and lead...
In the feed drive of a point to point open loop $$CNC$$ drive, a stepper motor rotating at $$200steps/rev$$ drives a table through a gear box and lead...
Which among the $$NC$$ operations given below are continuous path operations? Arc Welding $$(A$$ $$W)$$, Milling $$(M),$$ Drilling $$(D),$$ Punching ...
The tool of an $$NC$$ machine has to move along a circular arc from $$(5,5)$$ to $$(10,10)$$ while performing an operation. The center of the arc is a...
During the execution of a CNC part program block $$NO20\,\,\,\,GO2\,\,\,\,X45.0\,\,\,\,Y25.0\,\,\,\,R5.0.$$ The type of tool motion will be
In a $$2-D$$ $$CAD$$ package, clockwise circular arc of radius, $$5,$$ specified from $${P_1}\left( {15,10} \right)$$ to $${P_2}\left( {10,15} \righ... In finish machining of an island on a casting with$$CNC$$milling machine, an end mill with$$10mm$$diameter is employed. The corner points of ... A cylinder of$$155mm$$is to be reduced$$150mm$$diameter in one turning cut with a feed of$$0.15mm$$/ revolution and a cutting spee... In a point to point control$$NC$$machine, the slides are positioned by an integrally mounted stepper motor drive. If the specification of the motor ... With reference to$$NC machines, which of the following statements is wrong?
EXAM MAP
Joint Entrance Examination