The microprocessor chip used in most programmable logic controllers (PLCs) is the same as found in most home and business personal computers.
Answer the following statement true (T) or false (F)
True
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In a balanced three-phase system, the power factor is the____ of the angle between the phase current and the phase voltage.
A. sine B. cosine C. tangent D. hypotenuse
Which one of the following statements on the FAL modes is NOT true?
A) In the numeric mode, a decimal number from 1 to 1000 indicates the number of elements operated on per scan. B) In the all mode, a complete file is transferred in one scan. C) In the pause mode, a decimal number from 1 to 1000 indicates the number of scans that the FAL instruction is not executed. D) In the increment mode, one element of data is operated upon for each time the FAL rung goes from false to true.
During clutch reassembly, technician A coats the release fork and outer groove of the release bearing with high temperature grease. Technician B tightens the bellhousing-to-engine bolts to pull the transmission into position if they will not easily fit into place. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians
D) Neither technician
Which Boolean Expressions are implemented by a PAL?
A) Product-of-Sum B) DeMorgan C) Sum-of-Product D) Both A and C