Dendrites in cst alloys form by mechanism of_________________?

Related Mcqs:

Gypsum bonded investment should not be heated over______________?

A. 700°C B. 1,300°C C. 1,063°C D. 900°C...

The porosity formed due to simultaneous nucleation of solid grains and gas bubbles at the first moment that metal freezes at the mold walls is called__________?

A. Pinhole porosity B. Gas inclusion porosity C. Micro porosity D. Subsurface porosity...

Which of the following is function of fluoride flux in soldering process ?

A. It prevents the formation of copper oxide B. It prevents the formation of chromium oxide or dissolves chromic oxide layer C. It prevents the flow of material in undesirable area D. Increase the strength of solder...

Which of the following increases castability of base metal alloys________________?

A. Tin B. Beryllium C. Molybdenum D. Carbon...

The rapid decrease in tensile strength and increase in ductility of a wrought metal is seen in which stage of annealing ?

A. Recovery stage B. Recrystallisation stage C. Grain growth stage D. All of the above...