Automation System
For a type 2 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
All of these

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Automation System
Programmable controllers:

(a) and (c) above
cannot perform functions other than relay logic
are widely used in many different industries
None of these
are programmed using relay ladder logic

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Automation System
High-level languages:

are "procedure-oriented"
require knowledge of the computer design
cannot be used with automatic systems.
None of these
are very difficult to use

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