Engineering Materials Nodular cast iron is produced by adding ________ to the molten cast iron. Copper Chromium Nickel Magnesium Copper Chromium Nickel Magnesium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following pipes is least corrosion resistant? Wrought iron Cast iron Mild steel Brass Wrought iron Cast iron Mild steel Brass ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following metal is used for nuclear energy? Thorium Uranium Niobium All of these Thorium Uranium Niobium All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of Mainly pearlite Ferrite and pearlite Mainly ferrite Pearlite and cementite Mainly pearlite Ferrite and pearlite Mainly ferrite Pearlite and cementite ANSWER DOWNLOAD EXAMIANS APP
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 suddenly in a suitable cooling medium 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 in still air 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 suddenly in a suitable cooling medium 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 in still air ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gamma-iron occurs between the temperature ranges of 400°C to 600°C 1400°C to 1530°C 900°C to 1400°C 600°C to 900°C 400°C to 600°C 1400°C to 1530°C 900°C to 1400°C 600°C to 900°C ANSWER DOWNLOAD EXAMIANS APP