The resistance reading of an open heating element is
A) 0 ohms, would show 0.0 to 0.1 on most digital meters
B) A measurable resistance of approximately 12 ohms
C) It is not possible to check the resistance of an open heating element
D) Infinite ohms, would show OL on most digital meters
D
You might also like to view...
Explain the operation of computer-driven warning lamps.
What will be an ideal response?
Total dynamic head (TDH) in a pumping system is the
a. static head plus velocity head b. velocity head plus friction head plus atmospheric pressure head c. static head plus friction head plus velocity head d. friction head plus velocity head plus suction lift e. none of the above
The disconnect switch for the solar photovoltaic system ___________
a. Connects or disconnects the electrical circuit of the solar photovoltaic system to the grid. b. Places a cover over the photovoltaic panel to make it stop producing voltage. c. Is installed on each solar panel when the panel is manufactured.
Examples of load devices include:
A) Motors, resistance heaters, and solenoid valves. B) Motors, thermostats, overloads, heaters, and switches. C) Overloads, door switches, and limit switches. D) Thermostats, pressure switches, and overloads.