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GATE ME 2022: Manufacturing
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Question 1
Shafts of diameter 
mm are assembled interchangeably with holes of diameter 
mm. The minimum clearance in the assembly will be
mm are assembled interchangeably with holes of diameter mm. The minimum clearance in the assembly will be Question 2
The principle of material removal in electrochemical machining is ________.
Question 3
In an arc welding process, the voltage and current are 25 V and 300 A respectively. The arc heat transfer efficiency is 0.85 and welding speed is 8 mm/sec. the net heat input (in J/mm) is:
Question 4
A hole of 50mm radius is needed to be punched in a steel plate of 6mm thickness having shear strength 550N/mm2. With normal clearance on the too, cutting can be completed at 40% penetration of punch. If shear is provided on the punch to decrease force requires to cut and bring in capacity of 30T press, then the suitable shear angle of punch is ___ degrees. (correct up to two decimal places)
Question 5
A rod is turned with a tool having radius of 1.2 mm and a feed rate of 2.2 mm/rev. if the depth of cut is given as 3.6 mm and the spindle is rotating at a speed if 200 rpm. Find the finishing parameter (i.e surface to peak height) in mm.
Question 6
A sprue with gate diameter of 5 cm is used to fill a 80 cm diameter and 50 cm high cylindrical casting. If the head available for filling metal is 75 cm, then the minimum time taken in seconds to fill up the casting using top gating is
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Jun 21ESE & GATE ME
