Introduction to Metallurgy MCQ Questions and Answers | Metallurgical Engineering

A. Cosmic rays

B. γ-rays

C. β-rays

D. X-rays

A. Pourbaix diagram

B. Polarization technique

C. EMF series

D. Galvanic series

A. 9

B. 6

C. 1.5

D. 7.5

A. the molar weight of an oxide divided by the molar weight of the metal consumed in oxide formation

B. the volume of the oxide divided by the volume of the metal consumed in oxide formation

C. the density of the oxide divided by the density of the metal consumed in oxide formation

D. the molar Gibbs energy of the oxide divided by the Gibbs energy of the metal consumed in oxide formation

A. $$\frac{{\partial C}}{{\partial T}} = D.\frac{{{\partial ^2}C}}{{\partial {x^2}}}$$

B. $$\frac{{\partial C}}{{\partial x}} = D.\frac{{{\partial ^2}C}}{{\partial {t^2}}}$$

C. $$\frac{{\partial C}}{{\partial t}} = \frac{\partial }{{\partial x}}\left( {D.\frac{{\partial C}}{{\partial t}}} \right)$$

D. $$\frac{{\partial C}}{{\partial t}} = \frac{\partial }{{\partial t}}\left( {D.\frac{{\partial C}}{{\partial x}}} \right)$$

A. when h, k and l are all odd, or when all are even, (h + k + l) should be divisible by four

B. for all values of (h² + k² + l²)

C. for h + k = l

D. when h, k and l are all odd or all even

A. eyepiece lens

B. objective lens

C. stage

D. focus knob

A. S and I

B. P and Q

C. R and Q

D. U and V

A. Low carbon steel

B. High carboon steel

C. White cast iron

D. Gray cast iron

A. P = T(log t_r + c)

B. $$P = \log {t_r} - \frac{c}{T}$$

C. $$P = \frac{{\left( {c - T} \right)}}{{{t_r}}}$$

D. P = Tlog t_r