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lets evaluate how well the system in figure 49 works and propose a changea first suppose the weight is 150 lb what will
figure shows how a single wire can be used to carry measurement data at the same time this is done by modulating two
a humidity sensor resistance varies linearly from 250 komega to 120 komega as humidity varies from 0 to 100power
circuits such as given figure can also be used to provide some degree of linearization to see this consider a sensor
1 convert the following decimal numbers into binary octal and hexa 2110b 63010c 427102 convert 2715610 into a binary
engineers are always constrained by budget what responsibility does an engineer have regarding the design of safe
was goodrich engaged in a bait and switch in other words did it use claims about the innovative brake design as a means
using the code of ethics of one of the engineering professional societies analyze the behavior of bockriss research
fifteen resistors were randomly selected from the output of a process supposedly producing 10-ohm resistors the 15
figure shows a manufacturing process diagram in this process the following independent control requirements must be
assume control systems are in place to provide the requirements of given problem now suppose the output-control valve
given figure shows the pampid for a process wherein materials a and b react in a cham ber to create product c the
a telephone line will be used to carry measurement data as a frequency-modulated signal from 5 to 6 khz the line is
q1 a rectangular surge of 2us duration and magnitude of 100kv travels along a line of surge impedance 500 ohms the
construct a block diagram of a refrigerator control system define each block in terms of the refrigerator components if
a process-control loop has a setpoint of and an allowable deviation of atransient causes the response shown in given
two different tunings of a process-control loop result in the transient responses shown in given figure estimate which
1 the second cyclic transient error peak of a response test measures 44 for the quarter-amplitude criteria what error
suppose each bit change in a 4-bit adc represents a level of 015 ma what would the 4 bits be for a level of 17 mb
for the process-control system in figure 13 suppose that the relays close at 15 v and open at 11 v this means that as
show how the control system in given figure would be modified to use a supervisory computer control and b ddc or
think about how you adjust the water temperature coming from a single nozzle using the hot and cold hand valves in a
1 what is your mass in kilograms what is your height in meters2 atmospheric pressure is about psi what is this pressure
suppose a liquid level ranging from 55 to 86 m is linearly converted to pneumatic pressure ranging from 3 to 15 psi
1 an instrument has an accuracy of fs and measures resistance from 0 to 1500 omega what is the uncertainty in an