Engineering Materials
Closed packed hexagonal space lattice is found in

Alpha-iron, tungsten, chromium and molybdenum
None of these
Zinc, magnesium, cobalt, cadmium, antimony and bismuth
Gamma-iron, aluminium, copper, lead, silver and nickel

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
In process annealing, the hypo eutectoid steel is

Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air
Heated below or closes to the lower critical temperature and then cooled slowly
Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium
Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace

ANSWER DOWNLOAD EXAMIANS APP