Acoaxial line with inner and outer conductor diameters of 0.5 cm and 1 cm, respectively, is filled with an insulating material with εr = 4.5 and σ = 10−3 s/m. the conductors are made of copper.(a) calculate the line parameters at 1 ghz.(b) compare your results with those based on cd module 2.2. include a printoutof the screen display.

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