GATE 1990 Production & Industrial
26 questions across 1 session
Calculate the smallest punch diameter that can be designed for piercing sheet metal strip with the following data. Crushing strength of the punch material is $$1500$$ $$MPa.$$ Thic...
Semi brittle materials can be extruded by
While rolling a strip the peripheral velocity of the roll is ..... A .... than the entry velocity of the strip and is ...... B .... the exit velocity of the strip A. greater / less...
A steel wire of length $$100$$ $$m$$ and diameter $$12.214$$ $$mm$$ is drawn to a final diameter of $$10mm.$$ Tensile tests of specimen made before and after the drawing operation...
A steel wire of length $$100$$ $$m$$ and diameter $$12.214$$ $$mm$$ is drawn to a final diameter of $$10mm.$$ Tensile tests of specimen made before and after the drawing operation...
In comparison to $$HSS$$, super $$HSS$$ contains higher percentage of
When there is no room temp change, the total shrinkage allowance on a pattern is INDEPENDENCE OF
For casting of turbine blades made of high temp and high strength alloys, the most suitable process is
A steel plate $$40cm \times 30cm \times 0.3cm$$ is to be cast. The volume shrinkage of steel during solidification is $$3\% .$$ A cylindrical side riser with diameter $$4cm$$ and h...
The mode of metal transfer in $$C{O_2}$$-$$MIG$$ welding at low temperature is
In $$TIG$$ welding a ...........A. .......... and ..........B.......... electrode is used. A. non-consumable / consumable B. coated / bare
With increasing joint thickness, the tensile strength of a brazed joint
Use of a robot for spray painting is primarily justified for improved.... ....... .... A ...... and reduced......... B.................... A. productivity / consistency B. cost / h...
The most common interpolation methods in continuous path $$NC$$ machining are
$$A\,\,2{1 \over 2}\,\,$$ control in a typical $$CNC$$ machine provides
The diameter and rotational speed of a job are $$100mm$$ and $$500$$ $$rpm$$ respectively. The high spots (chatter marks) are found at a spacing of $$30$$ $$deg$$ on the job surfac...
The base of a brass bracket has to be rough ground to remove the unevenness. The $$4$$ wheels available in the store. The appropriate wheel is
For cutting double start screw threads of pitch $$2.0$$ $$mm$$ on a lathe, the thread cutting tool should have a feed rate of
Reamer is designed to have even number of flutes to:
A milling cutter having $$8$$ teeth is rotating at $$100$$ $$rpm.$$ The work piece feed is set at $$40mm/min$$. The feed per tooth is
$$BUE$$ formation ......A... the cutting force and ......B...... the surface finish (a) decreases/ increases (b) spoils / improves
A single point cutting tool with $${12^0}$$ rake angle is used for orthogonal machining of a ductile material. The shear plane angle for the theoretically minimum possible shear st...
A parting tool has a ground front clearance angle of $${6^0}$$ and the back rake angle of $${10^0}$$. The tool, by mistake, was set $$1.5$$ $$mm$$ above the line of centers while m...
A parting tool has a ground front clearance angle of $${6^0}$$ and the back rake angle of $${10^0}$$. The tool, by mistake, was set $$1.5$$ $$mm$$ above the line of centers while m...
Assertion (A): Basic hole system is advocated by Indian Standards for fit design Explanation (E): Holes can be produced to any size.
The problem of shrinkage cavity is more likely to occur while casting ......... A ............ B.......... a chill block (A.) metal / plastic , (B.) with / without.