GATE MT 2022 Paper 1 — page 16

Questions 46–48 of 65. Imported answers require review unless explicitly marked reviewed.

From high temperature tensile test, the flow stress (measured at the same value of strain) of an alloy was found to be 50 MPa at a strain rate of

and 70 MPa at a strain rate of

. The strain rate sensitivity parameter is ______ (round off to 3 decimal places).

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A spherical gas bubble of radius 0.01 mm is entrapped in molten steel held at 1773 K. If the pressure outside the bubble is 1.5 bar, the pressure inside the bubble is ______ bar (round off to 1 decimal place).

Given: 1 bar =

Pa and the surface tension of the steel at 1773 K is

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What is the equilibrium

ratio for the given reaction at 1873 K? (round off to 2 decimal places)

Mo(s) + O

(g) ↔ MoO

(s)

Given:

;

and

for the reaction CO(g) + 0.5O

(g) ↔ CO

(g);

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2022 · Paper 1

Question 46

Question 47

Question 48