Engineering Materials
Which of the following display properties similar to that of steel?

None of these
Both (A) and (B)
Whiteheart cast iron
Blackheart cast iron

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 suddenly in a suitable cooling medium
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 slowly in the furnace

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Dow metal contains

92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg
90% aluminium and 90% copper
94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe
90% magnesium and 9% aluminium with some copper

ANSWER DOWNLOAD EXAMIANS APP