Automation System
A proportional plus integral contro-ller can:

has no transient response
can compensate for lag
None of these
both (b) and (c)
can increase the system type

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Automation System
Time proportioning control:

a and b above.
cannot use a TM990 micro¬computer
can be used on a PM550 programmable process controller
None of these
is less efficient than normal PID control

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Automation System
The program counter:

contains the address of the next instruction to be executed
None of these
decides which program to run
counts the number of instructions that have been executed
is where arithmetic is done in a computer.

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Automation System
A solenoid:

is spring operated
is related to an aneroid
None of these
can be used only in de circuits
is widely used in industrial automation

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