Which one of the following is not a part of the PLC scan cycle?
A) Update input register
B) Read current outputs
C) Read inputs
D) Update output register
E) Program execution
B
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The ____ of the stairs is the horizontal distance covered by the stairs.
A. run B. rise C. tread D. landing
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A hole in the tire tread can be patched with _______
A) A patch B) A plug C) Either A or B D) None of these
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Where are shorting bars used?
A) In the airbag controller B) In the crash sensors C) In pretensioners D) At the connectors for airbags
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A split-phase motor can use a ____ to energize and de-energize the start winding.
A. potential relay B. current relay C. centrifugal switch D. all of the above
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