Consider the liquid storage system in Fig E8 13 Suppose that q 1 must be kept constant, and, consequently, h 2 is to be controlled by adjusting q 2 Suppose that the q 2 control valve is fail close Should the level controller for h 2 be reverse acting or direct acting 92 96 h2 LT hi 95 LT 94 q3 Figure E8 13

Question: Consider the liquid storage system in Fig. E8.13. Suppose that q 1 must be kept constant, and, consequently, h 2 is to be controlled by

Consider the liquid storage system in Fig. E8.13. Suppose that q₁must be kept constant, and, consequently, h₂is to be controlled by adjusting q₂. Suppose that the q₂control valve is fail-close. Should the level controller for h₂be reverse acting or direct-acting?

92 96 h2 LT hi 95 LT 94 q3 Figure E8.13

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