Workshop Technology The cold chisels are made by Rolling Forging Drawing Piercing Rolling Forging Drawing Piercing ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The increase in hardness due to cold working, is called Work hardening Flame hardening Induction hardening Age hardening Work hardening Flame hardening Induction hardening Age hardening ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A jolt machine is used to Ram the sand harder at the back of the mould and softer on the pattern face Produce uniform packing of sand in the mould Produce uniform sand hardness throughout the mould Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould Ram the sand harder at the back of the mould and softer on the pattern face Produce uniform packing of sand in the mould Produce uniform sand hardness throughout the mould Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In electric resistance welding, voltage required for heating is 50 to 100 volts 1 to 5 volts 11 to 20 volts 6 to 10 volts 50 to 100 volts 1 to 5 volts 11 to 20 volts 6 to 10 volts ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is Less than 0.3 percent Less than 0.1 percent Anywhere between 0.1 to 1 percent More than 0.3 percent Less than 0.3 percent Less than 0.1 percent Anywhere between 0.1 to 1 percent More than 0.3 percent ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The mode of deformation of the metal during spinning is Stretching Rolling and stretching Bending Bending and stretching Stretching Rolling and stretching Bending Bending and stretching ANSWER DOWNLOAD EXAMIANS APP