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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-5 section-2

Each section contains 100 MCQs on Miscellaneous in Metallurgy .
41
During fully developed laminar flow in a circular pipe, the velocity profile is parabolic, and symmetric around the axis. The velocity at the tube wall is zero. The ratio of the average velocity to the maximum velocity is
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Answer: Option B
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42
A furnace wall consists of two layers. The inside layer of 450 mm is made of light weight bricks of thermal conductivity IW/m.K and outside layer of 900 mm is made of refractory of thermal conductivity 2W/m.K. The hot face of the inside layer is at temperature 1300 K and the cold face of the outer layer is at 400 K. The temperature at the interface between the two layers is . . . . . . . . K.
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Answer: Option D
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43
What is the purpose of fiberglass that is made as a thread?
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Answer: Option D
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44
A particle is settling in a liquid under Stokesian conditions. The free settling velocity of the particle is proportional to
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Answer: Option B
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45
A furnace wall consists of four layers of different materials, M1, M2, M3 and M4. If the layers are of equal thickness and the steady state temperature profiles is as shown below, then the material with the lowest thermal conductivity is
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Answer: Option A
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46
Which of the following is not a result of tempering?
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Answer: Option C
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47
Not a major contributor of engineering ceramics
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Answer: Option B
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48
The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume: Cp of copper is 23 J.K-1 mol-1) . . . . . . . . J.
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Answer: Option A
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49
Which of the following phase will be resulted when the transformation temperature of steel is more than 750°C?
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Answer: Option A
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50
The alloy (60% Bi, 40% Cd) called eutectic alloy shows that solidification starts and is completed
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Answer: Option B
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