GATE2016-1-21

Question

Under optimal conditions of the process the temperatures experienced by a copper work piece in fusion welding, brazing and soldering are such that

• A. $T_{\text{welding}} > T_{\text{soldering}}> T_{\text{brazing}}$
• B. $T_{\text{soldering}} > T_{\text{welding}} > T_{\text{brazing}}$
• C. $T_{\text{brazing}} >T_{\text{welding}} > T_{\text{soldering}}$
• D. $T_{\text{welding}} > T_{\text{brazing}} > T_{\text{soldering}}$