Calculate the required diameter of a convergent nozzle to discharge \(5.0 \mathrm{lb} / \mathrm{s}\) of air from a iarge tank in which the temperatures is \(100^{\circ} \mathrm{F}\) to the atmosphere at \(14.7 \mathrm{psia}\) if the pressure in the tank is

(a) 25.0 psia

(b) 30.0 psia.