Workshop Technology In electric resistance welding, voltage required for heating is 11 to 20 volts 6 to 10 volts 1 to 5 volts 50 to 100 volts 11 to 20 volts 6 to 10 volts 1 to 5 volts 50 to 100 volts ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The temperature produced by oxy-hydrogen flame is about 3200°C 2100°C 1800°C 2400°C 3200°C 2100°C 1800°C 2400°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A sand employed on the faces of the pattern before moulding, is called Green sand Loam sand Dry sand Parting sand Green sand Loam sand Dry sand Parting sand ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In sheet metal work, he cutting force on the tool can be reduced by Providing shear on tool Grinding the cutting edges sharp Increasing the hardness of tool Increasing the hardness of die Providing shear on tool Grinding the cutting edges sharp Increasing the hardness of tool Increasing the hardness of die ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The current in electric resistance welding can be regulated by Any one of the listed here Changing the secondary turns of the transformer Changing the primary turns of the transformer Varying the input supply Any one of the listed here Changing the secondary turns of the transformer Changing the primary turns of the transformer Varying the input supply ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The temperature at which the new grains are formed in the metal is called Eutectic temperature Lower critical temperature Recrystallisation temperature Upper critical temperature Eutectic temperature Lower critical temperature Recrystallisation temperature Upper critical temperature ANSWER DOWNLOAD EXAMIANS APP
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