1. The AWS A5.5 is a list of electrodes used to weld which type of metal?
A Copper and copper alloys.
B. Carbon steels.
C. Low alloy steels.
D. Gray and ductile iron.
E. Corrosion-resistant steels.

Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.

You are making beer. the first step is filling the glass carboy with the liquid wort. the internal diameter of the carboy is 15 in., and you wish to fill it up to a depth of 2 ft. if your wort is drawn from the kettle using a siphon process that flows at 3 gpm, how long will it take to fill?

Ifa component is made of two or more materials with different modulus of elasticity (e), it is called a composite member and we calculate the factor·n". mention the formula for calculating n". also, ifn> 1, explain what will happen to the 1. transformed.gi) ifn 1, what will happen to the material when transformed material when