Workshop Technology The hot working of metals is carried out At any temperature Above the recrystallisation temperature At the recrystallisation temperature Below the recrystallisation temperature At any temperature Above the recrystallisation temperature At the recrystallisation temperature Below the recrystallisation temperature ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The oxyacetylene gas used in gas welding produce a flame temperature of 2100°C 2400°C 1800°C 3200°C 2100°C 2400°C 1800°C 3200°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In TIG arc welding, the welding zone is shielded by an atmosphere of Argon gas None of these Either (A) or (B) Helium gas Argon gas None of these Either (A) or (B) Helium gas 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 water Washing it with dilute acid Using file card Rubbing on wood Washing it with water Washing it with dilute acid Using file card ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The surface to be left unmachined is marked on the pattern by Blue colour Red colour Black colour Yellow colour Blue colour Red colour Black colour Yellow colour ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The maximum flame temperature occurs At the inner cone At the outer cone At the torch tip Between the outer and inner cone At the inner cone At the outer cone At the torch tip Between the outer and inner cone ANSWER DOWNLOAD EXAMIANS APP