Metallurgical Engineering
2025 · Paper 1
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Complete GATE MT 2025 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 52–54 of 65. Imported answers require review unless explicitly marked reviewed.
Question 52
Open questionMTNAT2 marksNeeds review
The value of
is _____ (in integer).Log in to check the answer
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Open questionMTNAT2 marksNeeds review
Consider the following reactions and their standard Gibbs free energies (in J):
Fe(s) +
O
(g) ⇌ FeO(s)
2 H
(g) + O
(g) ⇌ 2 H
O(g)
Assuming Fe and FeO to be pure and no solubility of gases in the solids, the value of
required to reduce solid FeO to solid Fe at 1000 K is _____ (rounded off to two decimal places).Given: Ideal gas constant R = 8.314 J mol
K
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 54
Open questionMTNAT2 marksNeeds review
The diameter of spherical galena particles that have the same settling velocity as spherical quartz particles of diameter 25 μm (both settling in water) is _____ μm (rounded off to one decimal place).
Assume Stokes law of settling to be valid.
Given: Density of galena = 7400 kg m
, density of quartz = 2600 kg m
, density of water = 1000 kg m
.Log in to check the answer
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