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sometimes either a pwm ac signal or a dc signal with a superimposed constant-frequency ac signal or dither is used to
convert 1001010112 into a hex number also convert 6d0f16 into a binary number what is the octal representation of each
consider the negative number -1101 which is in the binary form it has a decimal value of -13 determine its 2s
what are the advantages and disadvantages of pneumatic actuators in comparison with electric motors in process control
the sketch in figure p756 shows a half-sectional view of a flow control valve which is intended to keep the flow to a
compare and contrast valve-controlled hydraulic systems with pump-controlled hydraulic systems using a schematic
explain why accumulators are used in hydraulic systems sketch two types of hydraulic accumulators and describe their
identify and explain the components of the hydraulic system given by the circuit diagram in figure p755 describe the
discuss the reasons for using binary codes to represent information within a digital computeri convert the following
codes are employed in digital systems to represent information such as numerical values and text or characters consider
what are advantages of the cmos logic family over the ttl logic family how could the two logic families be combined in
a one-way road meets a two-way road as shown in figure p825 the vehicles on the one-way road are allowed to make right
a how do sequential logic devices differ from combinational logic devicesb how does the asynchronous operation of a
a compare and contrast the following three types of flip-flops jk flip-flop d flip-fl op and t flip-flop indicate how
outline the production process of a typical ic chip suppose a digital control circuit is assembled using discrete
a basic characteristic of a digital system is that many hardware components of the system are able to store andor
a what is a combinational logic circuit and what is a sequential logic circuit describe the use of a flip-flop or a
i briefly discuss the advantages of rotating field stationary armature system in synchronous machinesii discuss the
questiona discuss the following terms as applied to transmission linesivoltage regulationiitransmission
hierarchical control has been applied in many industries including steel mills oil refineries chemical plants glass
a discuss possible sources of error that can make open-loop control or feedforward control meaningless in some
you are asked to design a control system to turn on lights in an art gallery at night provided that there are people
a 3-phase 10 mva 11 kv generator with a solidly earthed neutral point supplies a feeder the relevant impedances of the
shannons sampling theorem tells us that the largest useful frequency component that is retained when a signal is
machine language program that is stored in a microcontroller memory is simply a set of instructions consider an