Metallurgical Engineering
2019 · Paper 1
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Complete GATE MT 2019 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 64–65 of 65. Imported answers require review unless explicitly marked reviewed.
Question 54
Open questionMTNAT2 marksNeeds review
The maximum possible reduction (in mm, rounded off to one decimal place) of a 100 mm thick slab during rolling is ________.
Given: The coefficient of friction between roll and the slab is 0.2, and the roll diameter is 200 mm.
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Open questionMTNAT2 marksNeeds review
An arc welding is performed at 400 Amperes, 20 V at a traverse speed of 5
. If the heat transfer efficiency is 0.6, the energy input per unit length (in
, rounded off to the nearest integer) during the process is ________.Log in to check the answer
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