1
GATE PI 1992
MCQ (Single Correct Answer)
+2
-0.6
Find the speed range ratio for the drilling machine spindle if the minimum and maximum diameters of drills used are $$5$$ $$mm$$ and $$25$$ $$mm$$ respectively and if the machinability indices for the work materials are $$120$$ (brass) and $$40$$ (alloy steel)
2
GATE PI 1992
MCQ (Single Correct Answer)
+2
-0.6
If the index crank of a dividing head is turned through one complete revoluation and $$10$$ holes in a $$30$$ hole circle plate, the work piece turns through (in degrees)
3
GATE PI 1991
MCQ (Single Correct Answer)
+2
-0.6
A drilling machine has to be designed with $$8$$ spindle speeds ranging approximately between $$120$$ to $$1200$$ $$rpm.$$ The $${5^{th}}$$ spindle speed is
4
GATE PI 1990
MCQ (Single Correct Answer)
+2
-0.6
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
Questions Asked from Machining (Marks 2)
Number in Brackets after Paper Indicates No. of Questions
GATE PI Subjects
Engineering Mechanics
Strength of Materials
Theory of Machines
Engineering Mathematics
Machine Design
Fluid Mechanics
Thermodynamics
Casting
Joining of Materials
Metal Forming
Machine Tools and Machining
Metrology
Industrial Engineering