Q1. (9 points).\ The following drawing depicts a liquid hydrocarbon surge tank with an inert gas used as "blanket" to prevent the accumulation of explosive vapors above the liquid.

qr

and

q

are the inlet and outlet gas molar rates.

F_(r)

and

F

are the liquid volumetric flow rates.\

\ p\ ank with gas pressure and liquid\ Starting from first principles. develop a model for une together with their units. State any level as the state variab. assumptions you make.

1. (9 points). The following drawing depicts a liquid hydrocarbon surge tank with an inert gas used as ""blanket" to prevent the accumulation of explosive vapors above the liquid. q and q are the inlet and outlet gas molar rates. Frr and F are the liquid volumetric flow rates. p Starting from first principles. develop a model for une sune ank with gas pressure and liquid h level as the state variables. Define all variables used together with their units. State any assumptions you make