Metallurgical Engineering
2019 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE MT 2019 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 34–36 of 65. Imported answers require review unless explicitly marked reviewed.
Question 24
Open questionMTNAT1 markNeeds review
A FCC crystal with a lattice parameter of 0.3615 nm is used to measure the wavelength of monochromatic X-rays. The Brag angle (θ) for the reflection from (111) planes is 21.68°. The wavelength of X-rays (in nm, rounded off to three decimal places) is ____________.
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Open questionMTNAT1 markNeeds review
A plate of width 100 cm and thickness 5 cm is rolled to a thickness of 3 cm. If the entry velocity is 10 cm s⁻¹, the exit velocity of the plate (in cm s⁻¹, rounded off to one decimal place) is ____________.
Assume no change in the width of the plate.
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Open questionMTMCQ2 marksNeeds review
Match the reactors / refining sites in Column I with the corresponding refining process in Column II.
Column I: Reactors / refining sites
(P) Blast furnace runner
(Q) AOD
(R) Torpedo car
(S) BOF
Column II: Refining processes
De-carburization
External De-sulfurization
De-phosphorization
External De-siliconization
Your answerChoose one option.
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