Engineering Materials In a hardening process, the hypo-eutectoid steel is Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is 0.6 to 0.8% 0.0004 0.35 to 0.45% 0.4 to 0.6% 0.6 to 0.8% 0.0004 0.35 to 0.45% 0.4 to 0.6% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Brass contains 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70 - 75% copper and rest tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70 - 75% copper and rest tin 70% copper and 30% zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Foundry crucible is made of Mild steel German silver Lead Graphite Mild steel German silver Lead Graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is an amorphous material? Silver Lead Mica Glass Silver Lead Mica Glass ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In which of the following cases, consideration of creep is important Gas turbine blades Cast iron pipes Cycle chains Flywheel of steam engine Gas turbine blades Cast iron pipes Cycle chains Flywheel of steam engine ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS