Metallurgical Engineering
GATE MT kind:question PYQs
Build your understanding with focused practice from past exam papers.
Questions 81–90 of 650. Imported answers require independent review unless marked reviewed.
Question 16
Open questionMTMCQ1 markNeeds review
Hot metal from a blast furnace is treated with mill scale prior to oxygen steelmaking for _____ .
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 17
Open questionMTMCQ1 markNeeds review
In optical microscopy, which one of the following combinations of wavelength (
) and numerical aperture (NA) provides the best spatial resolution?Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 18
Open questionMTMCQ1 markNeeds review
The coordination number for an octahedral site in pure copper is _____.
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 19
Open questionMTMCQ1 markNeeds review
Consider the following gas-phase reaction:
If the enthalpy of reaction is negative, which one of the following conditions promotes a higher equilibrium concentration of SO3?
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 20
Open questionMTMCQ1 markNeeds review
Which one of the following slag components is responsible for the oxidizing power of steelmaking slags?
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 21
Open questionMTMCQ1 markNeeds review
Two randomly oriented polycrystalline copper samples with average grain sizes of 10 μm (Sample A) and 100 μm (Sample B) were tested at room temperature.
Given:
Eₐ = Young’s modulus of Sample A
Eᵦ = Young’s modulus of Sample B
YSₐ = Yield strength of Sample A
YSᵦ = Yield strength of Sample B
Which one of the following statements is CORRECT?
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 22
Open questionMTMCQ1 markNeeds review
In metal casting, which one of the following gating ratios (sprue-runner-gate area ratio) represents a non-pressurized gating system?
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 23
Open questionMTMCQ1 markNeeds review
In the Fe-C system, the invariant reaction Liquid + δ ⇌ γ takes place at 1493 °C. This type of reaction is called _____.
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 24
Open questionMTMCQ1 markNeeds review
Match the following elements in Column I with their respective ores in Column II.
Column I
P. Al
Q. Fe
R. Ti
S. Cu
Column II
Rutile
Hematite
Chalcopyrite
Bauxite
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 25
Open questionMTMSQ1 markNeeds review
Which of the following functions is/are expandable using Maclaurin series?
Your answerSelect all correct options. You can choose more than one.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer