Automation System
Which industry is the leading user of robots?

None of these
Chemical industry
Shipping industry
Electronic industry
Automobile industry

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Automation System
Programmable controllers:

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

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Automation System
How is the integral mode implemented on a digital controller?

All of these
None of these
the error is divided into discrete amounts
the error signal is summed over a discrete time interval and accumulated by the controller
the digital controller cannot handle integral mode

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