Workshop Technology In arc welding, the temperature of heat produced by the electric arc is of the order of 4000°C to 5000°C 6000°C to 7000°C 5000°C to 6000°C 3000°C to 4000°C 4000°C to 5000°C 6000°C to 7000°C 5000°C to 6000°C 3000°C to 4000°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The temperature at which the new grains are formed in the metal is called Eutectic temperature Upper critical temperature Lower critical temperature Recrystallisation temperature Eutectic temperature Upper critical temperature Lower critical temperature Recrystallisation temperature ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In a four high rolling mill, the diameter of backing up rolls is ________ the diameter of working rolls. Smaller than Equal to Larger than None of these Smaller than Equal to Larger than None of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In sheet metal work, he cutting force on the tool can be reduced by Increasing the hardness of die Grinding the cutting edges sharp Increasing the hardness of tool Providing shear on tool Increasing the hardness of die Grinding the cutting edges sharp Increasing the hardness of tool Providing shear on tool ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The material which can be best cut with oxygen cutting process is Mild steel Copper Aluminium Brass Mild steel Copper Aluminium Brass ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology When the file is moved to and fro over the work, it is known as Cross filing None of these Pull and push filing Draw filing Cross filing None of these Pull and push filing Draw filing ANSWER DOWNLOAD EXAMIANS APP