Miscellaneous in Metallurgy MCQ Questions and Answers | Metallurgical Engineering

A. Radiation

B. conduction

C. convection

D. none of these

A. Stainless steel

B. Copper

C. Mild steel sheet

D. All of these

A. The resilience of the material is the same in conditions A and B

B. The resilience of the material is higher in condition B than in condition A

C. The toughness of the material is higher in condition A than in condition B

D. The toughness of the material is higher in condition B than in conditon A

A. 1 - 40 volts

B. 40 - 95 volts

C. 100 - 125 volts

D. 130 - 170 volts

A. Arc Column

B. Anode spot

C. Anode space

D. Cathode spot

A. Matrix

B. Reinforcement

C. Both are of equal strength

D. Can't define

A. surface tension

B. viscosity

C. Surface energy

D. None of these

A. Jog in a Edge dislocation has Edge character

B. Kink in a edge dislocation has screw character

C. Both A and B

D. None of these

A. $$erf\left( {\frac{x}{{2\sqrt {Dt} }}} \right) = \frac{2}{{\sqrt \pi }}\int\limits_0^{\frac{X}{{2\sqrt {Dt} }}} {\exp \left( { - {\eta ^2}} \right)d\eta } $$

B. $$erf\left( x \right) = \frac{2}{{\sqrt \pi }}\int\limits_0^{\frac{X}{{2\sqrt {Dt} }}} {\exp \left( { - {\eta ^2}} \right)d\eta } $$

C. $$erf\left( t \right) = \frac{2}{{\sqrt \pi }}\int\limits_0^{\frac{X}{{2\sqrt {Dt} }}} {\exp \left( d \right)d\eta } $$

D. None of these

A. Diffusion

B. conduction

C. radiation

D. convection