Automation System
An encoder:

is used to send telegraph signals
converts an input to a binary number
converts a binary number to a decimal number.
None of these
can have only four keys

ANSWER DOWNLOAD EXAMIANS APP

Automation System
If the transient response is under damped:

both a and b
steady-state will be reached faster than if the system is overdamped
the present overshoot is zero
None of these
the value of the output will exceed the value of the input at times during the transient period

ANSWER DOWNLOAD EXAMIANS APP

Automation System
A sequence controller:

None of these
is a mechanical only controller
is difficult to program
is no longer in widespread use
performs on/off control functions in relation to time.

ANSWER DOWNLOAD EXAMIANS APP

Automation System
A dc servo motor:

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

ANSWER DOWNLOAD EXAMIANS APP