GATE ME format:mcq PYQs & Answers — Page 50

Questions 491–500 of 599. Imported answers require independent review unless marked reviewed.

Topic practice 599 questionsPage 50 of 60

Which one of the following statements is correct for a superheated vapour?

Your answerChoose one option.

Its pressure is less than the saturation pressure at a given temperature.

Its temperature is less than the saturation temperature at a given pressure.

Its volume is less than the volume of the saturated vapour at a given temperature.

Its enthalpy is less than the enthalpy of the saturated vapour at a given pressure.

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For an ideal gas with constant properties undergoing a quasi-static process, which one of the following represents the change of entropy (

) from state 1 to 2?

Your answerChoose one option.

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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.

Your answerChoose one option.

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

Your answerChoose one option.

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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GATE ME format:mcq PYQs

Question 10

Question 10

Question 11

Question 11

Question 12

Question 12

Question 13

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Question 14

Question 14