Blueprints can be used to size air-conditioning and heating equipment.
Answer the following statement true (T) or false (F)
True
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What could cause the headlights to flash on and off when driving on a rough road?
What will be an ideal response?
A normally open set of relay contacts will close when:
A) Power is not applied to the contacts. B) Power is applied to the relay coil. C) Power is applied to the contacts. D) Power is not applied to the relay coil.
Technicians should be cautious when taking an oil sample from a semi-hermetic compressor because:
A) The oil is highly flammable. B) The oil is highly toxic. C) The oil sample must be done with the compressor running. D) The compressor crankcase is under pressure.
Which is the most accurate method of coupled shaft alignment?
A. dial indicator B. reverse dial indicator C. feeler gauge D. laser