Each of the following common items/processes involves a feedback control system. For each, identify the controlled variable, manipulated variable, one potential disturbance variable, thesensor, and the actuator. (a) Filling the toilet tank
(b) Home air conditioning system
(c) Cruise control for a car
(d) Gas-powered oven
(e) One more everyday item/process of your choosing

Ajournal bearing has a journal diameter of 3.250 in with a unilateral tolerance of 20.003 in. the bushing bore has a diameter of 3.256 in and a unilateral tolerance of 0.004 in. the bushing is 2.8 in long and supports a 700-lbf load. the journal speed is 900 rev/min. find the minimum oil film thickness and the maximum film pressure for both sae 20 and sae 20w-30 lubricants, for the tightest assembly if the operating film temperature is 160°f. a computer code is appropriate for solving this problem.