GATE ME year:2018 PYQs & Answers — Page 5

Questions 41–50 of 130. Imported answers require independent review unless marked reviewed.

Topic practice 130 questionsPage 5 of 13

In a linearly hardening plastic material, the true stress beyond initial yielding

Your answerChoose one option.

increases linearly with the true strain

decreases linearly with the true strain

first increases linearly and then decreases linearly with the true strain

remains constant

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Select the correct statement for 50% reaction stage in a steam turbine.

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The rotor blade is symmetric.

The stator blade is symmetric.

The absolute inlet flow angle is equal to absolute exit flow angle.

The absolute exit flow angle is equal to inlet angle of rotor blade.

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The type of weld represented by the shaded region in the figure is

Diagram for Mechanical Engineering question 12

Your answerChoose one option.

groove

spot

fillet

plug

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Denoting L as liquid and M as solid in a phase-diagram with the subscripts representing different phases, a eutectoid reaction is described by

Your answerChoose one option.

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Using the Taylor’s tool life equation with exponent n = 0.5, if the cutting speed is reduced by 50%, the ratio of new tool life to original tool life is

Your answerChoose one option.

0.5

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During solidification of a pure molten metal, the grains in the casting near the mould wall are

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coarse and randomly oriented

fine and randomly oriented

fine and ordered

coarse and ordered

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A grind ratio of 200 implies that the

Your answerChoose one option.

grinding wheel wears 200 times the volume of the material removed

grinding wheel wears 0.005 times the volume of the material removed

aspect ratio of abrasive particles used in the grinding wheel is 200

ratio of volume of abrasive particle to that of grinding wheel is 200

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Match the following products with the suitable manufacturing process

Product	Manufacturing Process
P — Toothpaste tube	1 — Centrifugal casting
Q — Metallic pipes	2 — Blow moulding
R — Plastic bottles	3 — Rolling
S — Threaded bolts	4 — Impact extrusion

Your answerChoose one option.

P-4, Q-3, R-1, S-2

P-2, Q-1, R-3, S-4

P-4, Q-1, R-2, S-3

P-1, Q-3, R-4, S-2

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Interpolator in a CNC machine

Your answerChoose one option.

controls spindle speed

coordinates axes movements

operates tool changer

commands canned cycle

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Feed rate in slab milling operation is equal to

Your answerChoose one option.

rotation per minute (rpm)

product of rpm and number of teeth in the cutter

product of rpm, feed per tooth and number of teeth in the cutter

product of rpm, feed per tooth and number of teeth in contact

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GATE ME year:2018 PYQs

Question 11

Question 11

Question 12

Question 12

Question 13

Question 13

Question 14

Question 14

Question 15

Question 15