IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS
Analytical recording controller- remote location
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When power is applied to an input, it will cause the contact assigned to that input to ____.
A. activate a push-button B. close C. open D. change state
The indoor fan on an oil furnace is controlled by
A) A centrifugal switch on the oil burner motor B) Either a temperature sensing fan switch or the primary control C) The primary control D) A temperature sensing fan switch
What type of meter do HVACR technicians use to measure current?
A) An in-line wattmeter B) A clamp-on ammeter C) A solenoid meter D) A noncontact voltage detector
Electrical components can generally be divided into two groups:
A) Pilot duty and line duty. B) Electro-mechanical and electronic. C) Controls and loads. D) Electrical and mechanical.