1
GATE PI 2005
MCQ (Single Correct Answer)
+2
-0.6
Assertion (A) : Cold working of metals result in increase of strength and hardness.
Reason (R) : Cold working reduces the total number of dislocations per unit volume of the material.
Reason (R) : Cold working reduces the total number of dislocations per unit volume of the material.
2
GATE PI 2005
MCQ (Single Correct Answer)
+2
-0.6
Consider the following statements:
In comparison to hot working, in cold working,
$$1.$$ Higher forces are required
$$2.$$ No heating is required
$$3.$$ Less ductility is required
$$4.$$ Better surface finish is obtained.
In comparison to hot working, in cold working,
$$1.$$ Higher forces are required
$$2.$$ No heating is required
$$3.$$ Less ductility is required
$$4.$$ Better surface finish is obtained.
Which of the statements given above are correct?
3
GATE PI 2004
MCQ (Single Correct Answer)
+2
-0.6
The extrusion process(es) used for the production of toothpaste tubes is / are
$$1.$$ Tube extrusion
$$2.$$ Forward extrusion
$$3.$$ Impact extrusion
4
GATE PI 2003
MCQ (Single Correct Answer)
+2
-0.6
Consider the following steps in forging a connecting rod from the bar stock
$$1.$$ blocking $$\,\,\,\,\,\,\,\,\,$$ $$\,\,\,\,\,\,\,\,\,$$ $$\,\,\,\,\,\,\,\,\,$$$$2.$$ trimming
$$3.$$ finishing$$\,\,\,\,\,\,\,\,\,$$ $$\,\,\,\,\,\,\,\,\,$$ $$\,\,\,\,\,\,\,\,\,$$ $$4.$$ edging
Select the correct sequence of these operations using the codes given below
Questions Asked from Metal Forming Process (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