Technician A says that weld-through primer can be removed from the immediate weld area to improve weld quality. Technician B says that weld-through primer can be removed from adjacent areas to the weld site to improve penetration. Who is right

Water at 55c flows across a flat plate whose surface temperature is held constant at 95c. if the temperature gradient at the plate's surface for a given value of x is 18 c/mm, find a) local heat transfer coefficient. b) heat flux

Give three differences between corrosion of metals and the corrosion of ceramics? what is static fatigue?

Consider a beam traveling through diamond and impinging upon the diamond-air interface. the critical angle of incidence for total internal reflection to occur is closest to the following value: select one: a)-22.50° b)-23.85 c)-24.30 d)-23.40° e)-none of the above