PLCs conform to an international standard called IEC 61131
Indicate whether the statement is true or false
TRUE
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Technician A says the ring gear is attached to the drive shaft flange on RWD vehicles. Technician B says the pinion gear is attached to the drive shaft flange on RWD vehicles. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians
D) Neither technician
What happens if the wrong starter is used in a preheat fluorescent lamp?
What will be an ideal response?
Generally, continuous wall foundations are similar to those for smaller buildings. They consist of a ____ footing that supports a continuous concrete wall.
A. constant B. spread C. frame D. T
The op amp is an important solid-state device because it ________
A) can provide a negative firing pulse to the gate of an SCR B) can be used as a seven-segment display for numbers C) can amplify very small signals from thermocouples and RTDs to larger voltages and currents