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Miscellaneous in Metallurgy MCQ Questions and Answers | Metallurgical Engineering

Enhance your knowledge of Miscellaneous in Metallurgy with this comprehensive collection of MCQ questions and answers. These MCQ questions and answers in Miscellaneous in Metallurgy are specifically designed for students of Metallurgical Engineering who are preparing for the GATE Exam. Strengthen your preparation and excel in your studies with this valuable resource. Page-4 section-3

Each section contains 100 MCQs on Miscellaneous in Metallurgy .
31
The relative contribution of molecular diffusion to overall mass transfer is highest in
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Answer: Option A
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32
Chances of crack propagation are more in
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Answer: Option A
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33
For plastic materials, the poisons ratio is
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Answer: Option B
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34
An edge dislocation in an infinite body has
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Answer: Option C
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35
The newtons law of cooling for convection heat transfer process?
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Answer: Option A
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36
A steel ball (density ρsteel = 7200 kg/m3) is placed in an upward moving liquid AI (density ρal = 2360 kg/m3, viscosity μAl = 1 × 10-3 Pa.s and Reynolds number = 5 × 105). The force (F) exerted on the steel ball is expressed as F = fπR2(ρAl V2/2)
where, f is friction factor (= 0.2), v is the velocity of liquid AI and R is the radius of steel ball.
The force exerted on the steel ball is
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Answer: Option A
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37
A large backup roller is surrounded by various numbers of planetary working rollers is called
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Answer: Option C
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38
The polymer in which steric placements of the substituent are arranged in such a way to give alternate d and l configurations, is known as
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Answer: Option C
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39
Composites are used in . . . . . . . . of boats.
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Answer: Option D
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40
In MIG welding
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Answer: Option D
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