Most residential systems that use communicating controls use:
A) Three-phase motors. B) Shaded pole motors.
C) Brushless DC electronically controlled motors. D) Permanent split capacitor motors.
C
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When checking a heater for a no-heat concern, both hoses are found to be too hot to hold. What could be the cause of no heat in the vehicle?
A) Air blend door fault B) Loose hose clamps C) Worn water pump belt D) Bad thermostat
While having a discussion, Technician A says that brinelling is when pieces break away from the bearing metal. Technician B says that spalling is when pieces break away from the bearing metal. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
What is “the finger test” and how is it useful when ascertaining when a plant needs to be watered?
What will be an ideal response?
Sketches are most often used in which step of the design process?
A. identification of the problem or need B. development of initial ideas C. selection of proposed solution D. developing working drawings