The basic barometer can be used to measure the height of a building. if the barometric readings at the top and at the bottom of a building are 675 and 695 mm hg, respectively, determine the height of the building. take the densities of air and mercury to be 1.18 kg/m3 and 13,600 kg/m3, respectively.

The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false

An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0

What is the major difference between thermoplastics and thermosetting plastics from the polymerization structure point of view?