Automation System
A disadvantage of Numerical Control (NC) is:

the machine tool can easily overheat
one operator is needed for each machine.
the computer is not reliable
None of these
the tape and tape reader are not reliable

ANSWER DOWNLOAD EXAMIANS APP

Automation System
Pressure sensors:

use capacitive variations to sense pressure
All of these
None of these
use the piezoresistive effect in strain gauge sensors
use an aneroid chamber with a variable resistance output

ANSWER DOWNLOAD EXAMIANS APP

Automation System
If the transient response of a system is overdamped:

None of these
the value of the output never stabilizes.
All of these
the value of the output never exceeds the value of the input during the transient period.
the value of the output exceeds the value of the input at times during the transient period.

ANSWER DOWNLOAD EXAMIANS APP

Automation System
What is the difference between integral and derivative control?

derivative control does not eliminate offset error
integral control has slower response to an error signal.
None of these
All of these
derivative control responds to a change in the rate of change in the error signal

ANSWER DOWNLOAD EXAMIANS APP