Automation System
Time proportioning control:

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

ANSWER DOWNLOAD EXAMIANS APP

Automation System
D/A (digital to analog) conversion:

has to be sampled at 1/2 the highest input frequency
must be fed through a filter to reproduce the original signal accurately
both (b) and (c)
results in a binary code as the final output
None of these

ANSWER DOWNLOAD EXAMIANS APP

Automation System
A dc servo motor:

None of these
can provide precise position control
All of these
uses a variable dc voltage for speed control
uses a tachometer for speed feedback

ANSWER DOWNLOAD EXAMIANS APP