HVAC Excellence - ELECTRICITY Exam 100% Updated!
Current flow is: - ANSWERThe flow of electrons in the circuit. Impedance is: - ANSWEROpposition to alternating current flow. Like charges; - ANSWERrepel each other. Any material that will readily release electrons is called; - ANSWERA conductor The symbol for current is; - ANSWERI Which of the following materials would be best suited for use as a semi-conductor? - ANSWERsilicon The safety ground conductor is usually color coded; - ANSWERgreen or bare. An electron has; - ANSWERa negative charge. Resistance is: - ANSWEROpposition to current flow. How many watts of power are used by a heater operating at 240 volts and drawing 5 amps? - ANSWER1200 watts Which of the following meters must use its internal power to check a load or circuit? - ANSWEROhmmeter In electrical wiring, a black colored wire in an alternating current circuit usually indicates; - ANSWERthe hot conductor. Fuses are sized by: - ANSWERVolts & Amps What would be the result, if a 24 volt, 20-ohm low voltage conta ctor coil were wired in series with a 24 volt, 200-ohm control relay coil? - ANSWEROnly the control relay would operate.
Written for
- Institution
- HVAC Excellence - ELECTRICITY
- Course
- HVAC Excellence - ELECTRICITY
Document information
- Uploaded on
- May 26, 2024
- Number of pages
- 7
- Written in
- 2023/2024
- Type
- Exam (elaborations)
- Contains
- Questions & answers
Subjects
-
hvac excellence electricity exam 100 updated
-
hvac excellence electricitystuvia
Also available in package deal