GATE Previous Years Production Questions GATE 2018 Production solved questions set 1 By Rutuja Bothara

RUTUJA BOTHARA Perusing B.Tech in Mechanical Engineering from Vellore Institute of Technology, Vellore. (2015-2019) Cleared JEE Mains 2015 Cleared VITEEE-2015 with AIR 8718 Cracked HITSEEE 2015 with AIR 91 Worked as a Career Counsellor in Teachers Academy . (2016-2018) and BOLO app https://unacademy.com/user/rurutujajb96- 9511

The type of weld represented by the shaded region in the figure IS (A) groove (B) spot (C) fillet (D) p

. Using the Taylor's tool life equation with exponent n 0 0.5, if the cutting speed is reduced by 50%, the ratio of new tool life to original tool life is . (A) 4 (B) 2 (C) 1 (D) 0.5

Taylor's tool life e Ji

. A grinding ratio of 200 implies that the . (A) grinding wheel wears 200 times the volume of the material removed grinding wheel wears 0.005 times the volume of the material removed wheel is 200 wheel is 200 . (C) aspect ratio of abrasive particles used in the grinding . (D) ratio of volume of abrasive particle to that of grinding

Lt G 200, t means voluine of hakttial maved is 20o hmes the umof yhte deot

. Interpolator in a CNC machine . (A) controls spindle speed ) coordinates axes movements . (C) operates tool changer . (D) commands canned cycle

te Po lat ot in a CNC machine has main to functions . It generates intetmediate co-ordinate positions along the prog rammed Path )t computes ihdividua axis velocity to drive the tol aleny the Progamme path at a given eed rate

. The height (in mm) for a 125 mm sine bar to measure a (correct to taper of 27'32" on a flat work piece is three decimal places).

. The maximum reduction in cross-sectional area per pass (R ) of a cold wire drawing process is R 1-e^-(n+1) where n represents the strain hardening coefficient. For the case of a perfectly plastic material, R is (A) 0.865 (B) 0.826 (C) 0.777 (D) 0.632

The percentage scrap in a sheet metal blanking operation of a continuous strip of sheet metal as shown in the figure is (correct to two decimal places). D/5 D/5 D/S D/5 D/5 D/5 D/5 D/5 D/5

Nolume metal to remove is given by 10x30 12 = 3600 in m 3 Eneras required for the opetation is given as gi ven as 2 3600 current requircd or min s 120

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Rutuja Bothara

Strengthen GATE /PSU/ESE/SSC JE/RRB JE /campus Placements preparation.
A passionate mechanical engineer -VIT University

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Sudhanshu Patil

2 months ago

sir this is sufficient for advanced or not

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