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1 find the proper valve size in inches and centimeters for pumping a liquid flow rate of 600 galmin with a maximum
the level of water in a tank is to be controlled at 20 m and the output flow rate is nominally through a control valve
if the valve actuator of given problem has a rangeability of 30 and a maximum stem travel of 5 cm and is to be
figure 52 shows a valve that is operated by a worm gear and motor each turn of the worm gear moves the stem by 018 cm
suppose the worm gear of figure 52 has a potentiometer attached as shown in figure 53 so that the stem position is
describe a typical microwave oven in the framework of a discrete-state process define input variables output variables
develop the control system of an automatic coffee-vending machine insertion of a coin and pushing of buttons provides a
develop a flowchart to describe the event sequence for the running phase of the bottle-filling system of given
prepare a flowchart of the operations required to support the coffee-vending machine of given problemproblem develop
develop boolean equations to satisfy the requirement of the process of given example and given figureexample construct
develop the physical ladder diagram for a motor with the following no start button nc stop button thermal overload
develop a ladder diagram that provides for the running phase of the process described in given example and given figure
prepare a ladder diagram for the process described in given example and given figure assume a logic off-delay 5-minute
the system of given figure has the following functions move a work piece into position clamp it start the drill move it
design a programmable controller program to solve the control problem for the process described in given example and
prepare a programmable controller ladder diagram for given problemproblem develop the physical ladder diagram for a
prepare a plc ladder program for the system of given problem and given figure with the following added requirements1
when the system of figure 46 is turned on the motor is to alternate rotation cw and then ccw cycling as the shaft
prepare a programmed ladder diagram for given problemproblem the system of given figure has the following functions
figure shows a system for batch processing the system operations can be described as follows1 a weighed quantity of dry
all the sensors of given figure are no switches that close when the variable reaches the trip value thus th represents
a plc will be used with channels assigned as given in section 54 prepare a programmed ladder diagram for the system of
analyze each of the following control systems and determine whether they have self-regulation what the process load
a velocity control system has a range of 220 to 460 mms if the setpoint is 327 mms and the measured value is 294 mms
a controlling variable is a motor speed that varies from 800 to 1750 rpmif the speed is controlled by a 25- to 50-v dc