Factor each of the following expressions to obtain a product of sums: (a) AB + C′D′ (b) WX + WY′X + ZYX (c) A′BC + EF + DEF′ (d) XYZ + W′Z + XQ′Z (e) ACD′ + C′D′ + A′C (f) A + BC + DE

Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.

Inadequate stores control is not an obstacle to effective work order system. (clo4) a)-true b)-false

Agas mixture consists of 8 kmol of h2 and 2 kmol of n2. determine the mass of each gas and the apparent gas constant of the mixture.