Practice MCQ Questions and answers on Metallurgy Test Questions

A. impurities in a metal

B. location and extent of segregation

C. uniformity of structure

D. all of the above

A. alloy constituents

B. failure analysis

C. metal structure

D. all of the above

A. Bright field illumination

B. Dark field illumination

C. Both a. and b.

D. None of the above

A. Time required for liquefying solid components

B. Time required for completely solidifying the casted components

C. The cooling curve formed due to latent heat of fission

D. Liberated heat increases temperature of an under cooled liquid metal during nucleation

A. Undercooling

B. Solidification

C. Thermal arrest

D. Thermometry

A. is face centered cubic structure

B. has magnetic phase

C. exists below 727 °C

D. all of the above

A. Body centered cubic structure

B. Face centered cubic structure

C. Orthorhomic crystal structure

D. None of the above

A. δ-ferrite

B. α-ferrite

C. Austenite

D. Cementite

A. 190 °C

B. 210 °C

C. 276 °C

D. None of the above

A. 1 and 2

B. 2 and 3

C. 3 and 4

D. All of the above