Explain the operation of the circuit shown in the accompanying figure.
What will be an ideal response?
Shown in Figure 22–13 is the PLC logic for our bit array tracking system described above. We have shown the “Bit Shift Left” instruction with a file or array address of #B3:0. We have also shown the file or array address for the Photoelectric Sensor and Spray Nozzle in Figures 22–11 and 22–12 for clarity. The “Conveyor System Running” digital input in Rung 2 is there to ensure that the “Spray Nozzle” output operates only when the conveyor is moving.
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Explain the following statement: "The story of New England was largely written by rocks."
What will be an ideal response?
Where did Luther speak the famous words, “Here I stand. I can not do otherwise”?
a. during the Council of Trent b. at the Diet of Worms c. in the Ninety-Five Theses d. in debate with Johann Eck
Technician A says that excessive vibration can shorten the life of a lead-acid battery by shaking the active material from the plates. Technician B says that wet cell truck batteries are designed to sustain high levels of vibration and this seldom causes premature failures. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
OBD II systems are highly efficient and only illuminate the malfunction indicator light (MIL) when an emissions failure has occurred that will raise emission levels 50 percent above the FTP levels.
Answer the following statement true (T) or false (F)