A cylindrical steel pressure vessel with volume 1.32m3 is to betested. The vessel is entirely filled with water then a piston atone end of the cylinder […]
When 0.848 g of finely divided iron is burned 1.212 g of areddish brown oxide is obtained. Write a balanced chemical equationfor the reaction of iron […]
1/ write the scalar equations of the line parallel to theintersection of the planes 3x+y+z=5 x-2y+3z=1 and passing throughthe points (421). 2/ given that A and […]
A roll of plastic-coated wire has an average of 0.09 flaws per5-meter length of wire. Suppose a quality control engineer willsample a 5-meter length of wire […]