Automation System
For a type 1 system, the steady-state:

error for a step input is always zero
error for a velocity input is always zero
input for acceleration input is always non-zero
None of these
(a) and (c)

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Automation System
What is the process lag?

The time it takes for the mass of the process to respond to an input change.
The lag in the error signal when the setpoint is changed.
None of these
All of these
The time it takes for the sensor to respond to a changed.

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Automation System
A solenoid:

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

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