Automation System
A pick-and-place manipulator is:

primarily used for large parts handling
None of these
the most flexible of all robots
capable of point-to-point operation
an intelligent robot

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Automation System
Pressure sensors:

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

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Automation System
An encoder:

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

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