Workshop Technology Which one of the following material will require the largest size of riser for the same size of casting? Steel Aluminium Copper Cast iron Steel Aluminium Copper Cast iron ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The temperature at which the new grains are formed in the metal is called Lower critical temperature Upper critical temperature Recrystallisation temperature Eutectic temperature Lower critical temperature Upper critical temperature Recrystallisation temperature Eutectic temperature ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by Rubbing on wood Washing it with dilute acid Washing it with water Using file card Rubbing on wood Washing it with dilute acid Washing it with water Using file card ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In backhand welding, the angle between the welding torch and the work is kept as 50°-60° 30°-40° 60°-70° 40°-50° 50°-60° 30°-40° 60°-70° 40°-50° ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The directional solidification in casting can be improved by using Chills, chaplets and padding Chaplets and padding Chills and chaplets Chills and padding Chills, chaplets and padding Chaplets and padding Chills and chaplets Chills and padding ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In electric resistance welding, voltage required for heating is 50 to 100 volts 6 to 10 volts 11 to 20 volts 1 to 5 volts 50 to 100 volts 6 to 10 volts 11 to 20 volts 1 to 5 volts ANSWER DOWNLOAD EXAMIANS APP