Two sheets of iron and copper of equal thickness are welded together into one sheet. Iron is in contact with water at 298 K and copper is in contact with steam at 373 K. At steady state, the temperature profile within the sheet will be
A. parabolic
B. hyperbolic
C. combination of two separate linear profiles in copper and iron
D. combination of two separate parabolic profiles in copper and iron
Answer: Option C
This Question Belongs to Metallurgical Engineering >> Welding Metallurgy
Stainless steel is welded using
A. oxy-acetylene flame
B. oxy-hydrogen flame
C. arc welding
D. inert gas arc welding
The nature of submerged arc welding flux with basicity index of 0.5 is
A. neutral
B. basic
C. semi-basic
D. acidic
Lap joints are preferred over butt joints in soldering/brazing because
A. these are weaker in tension but stronger in shear
B. these are weaker in shear but stronger in tension
C. these are stronger in both shear and tension
D. the lap joints are easily made
For a good quality brazing, the molten filler alloy should have
A. low contact angle with the base metal
B. low density
C. high surface tension
D. high viscosity
Join The Discussion