What types of machines use sequence control?
What will be an ideal response?
Sequence control is used by such machines as hydraulic presses that must have a high pressure pump operating before they can be used, or by some air conditioning systems that require that the blower be in operation before the compressor starts.
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When a triac is connected in an AC circuit, the output voltage is alternating current.
Answer the following statement true (T) or false (F)
Stepped ____________________ are often used to control heater blower fan speeds.
Fill in the blank(s) with the appropriate word(s).
When measuring shaft runout, a dial indicator produces readings between +0.0025 inches (positive) and -0.0055 inches (negative). What is the TIR?
A. 0.0025 inches B. 0.0055 inches C. 0.010 inches D. 0.008 inches
Explain why the farmer’s role in soil conservation is so important
What will be an ideal response?