Miscellaneous in Metallurgy MCQ Questions and Answers

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-8 section-2

Welding preferred for joining thin foils is

A) gas welding B) X-ray and gamma rays C) Microwave D) All of these

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Answer & Solution

Answer: Option C

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In drawing operation, the metal flows due to

A) ductility B) plasticity C) shearing D) yielding

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Answer & Solution

Answer: Option B

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Boundary layer thickens at solid-fluid interface

A) increases with increasing fluid density B) decreases with increasing fluid density C) independent of fluid flow condition D) decrease with increasing fluid velocity

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Answer & Solution

Answer: Option D

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The figure below shows water flowing through a pipe. The pressure difference between points P and Q measured using a water-over-mercury manometer is
Miscellaneous in Metallurgy mcq question image

Miscellaneous in Metallurgy mcq question image

A) ρ₂gH B) ρ₁gH C) (ρ₂ - ρ_₁) gH D) (ρ₂ - ρ₁) gH

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Answer & Solution

Answer: Option C

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If density and diffusion coefficient are assumed constant, then governing equation for mass transfer of A dissolved in solid B is

A) $$\frac{{\partial {C_A}}}{{\partial t}} = {D_{AB}}.\Delta {C_A}$$ B) $$\frac{{\partial {C_A}}}{{\partial t}} = {D_{AB}}.{\Delta _2}{C_A}$$ C) $$\frac{{\partial {C_A}}}{{\partial x}} = {D_{AB}}.{\Delta _2}{C_A}$$ D) $$\frac{{\partial {C_A}}}{{\partial x}} = {D_{AB}}.{\Delta }{C_A}$$

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Answer & Solution

Answer: Option B

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What are the applications of nitriding?

A) Gears, camshafts B) Valve guides and seating's C) Chain links, nuts, bolts, and screws D) Gears, nuts, bolts

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Answer & Solution

Answer: Option B

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By hot rolling process which of the following mechanical properties can be improved

A) Toughness and ductility B) Formability C) Weldability D) All of these

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Answer & Solution

Answer: Option D

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Which of the following is not a method of carburizing?

A) Pack carburizing B) Gas carburizing C) Cyaniding D) Nitriding

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Answer & Solution

Answer: Option A

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One face of a furnace wall is at 1030°C and the othere is exposed to the room temperature (30°C). If the thermal conductivity of the furnace wall is 3W. m^-1 k^-1 and the wall thickness is 0.3 m the maximum heat loss (in W/m²) is

A) 100 B) 900 C) 9000 D) 10000

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Answer & Solution

Answer: Option D

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A square of 9 mm² area is subjected to simple shear displacement √3 mm along x-direction, as shown below: The strain imparted will be
Miscellaneous in Metallurgy mcq question image

A) $$\frac{1}{3}$$ B) $$\frac{1}{{\surd 3}}$$ C) $${\surd 3}$$ D) 3

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Answer & Solution

Answer: Option B

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