HVAC Electrical Main Test with All Correct & 100%
Verified Answers |Actual Complete Exam| Already
1. current flow is? Graded A+ The flow of electrons in
the
circuit.
2. Impedance is? Opposition to
alternating
currentflow.
3. Like Charges? Repel each other
4. Any material that will readily release electrons is called A
conductor
5. The symbol for Current is I
6. Which of the following material would be best Silicone
suited for use as a semiconductor?
7. The safety ground conductor is usually color coded Green and bare.
8. An Electron has Has a negative charge
9. Resistance is opposition to current
flow
10. How many Watts of power are used by a 1200 watts
heater oper- ating at 240 Volts and drawing 5
amps?
Ohmmeter
11. Which of the following meters must use its
internal power to check a load or circuit
12. In an electrical wiring, a black colored wire in an alter- the hot
conductor
nating current circuit usually indicates;
13. Fuses are sized by: Volts & Amps
1/
20
, HVAC Electrical Main Test with All Correct & 100%
Verified Answers |Actual Complete Exam| Already
Graded A+
14. what would be the result, if a 24 volts , 20-ohm Only the control
low voltage contactor coil were wired in series relay would
with a 24 volt, 200-Ohm control relay coil?
operate.
2/
20
, HVAC Electrical Main Test with All Correct & 100%
Verified Answers |Actual Complete Exam| Already
Graded A+
15. Three defrost heaters, each 15 ohms are wired 2880 Watts
in par- allel to a 120 volt power supply. How
many watts of power will be used?
16. Which of the following is generally
5%
considered to be within the maximum
allowable (plus or minus) supply voltage
variation?
17. Capacitors are rated in? Microfarards & Volts
18. When testing a capacitor with an analog or Measure low
digital ohmmeter, the meter should;
resistance then return
to high read- ing
19. What is a term used to describe the output
Secondary side
side of a transformer?
20. One horsepower is equal to Watts 746 Watts
21. How much resistance must be placed in a 120 60 Ohms
Volt circuit in order to limit the current to
2 amps?
22. A parallel circuit contains 18 ohms and a 9 ohms resis- 6 ohms
tor. The total resistance equals;
23. In a series circuit, the voltage drop across add up to equal the
each resis- tance (load) will;
source voltage.
24. The total resistance of a parallel circuit will be; Less than the smallest
re-
sistance
25. Is True or False; Current flow will decrease when volt- age
3/
20
Verified Answers |Actual Complete Exam| Already
1. current flow is? Graded A+ The flow of electrons in
the
circuit.
2. Impedance is? Opposition to
alternating
currentflow.
3. Like Charges? Repel each other
4. Any material that will readily release electrons is called A
conductor
5. The symbol for Current is I
6. Which of the following material would be best Silicone
suited for use as a semiconductor?
7. The safety ground conductor is usually color coded Green and bare.
8. An Electron has Has a negative charge
9. Resistance is opposition to current
flow
10. How many Watts of power are used by a 1200 watts
heater oper- ating at 240 Volts and drawing 5
amps?
Ohmmeter
11. Which of the following meters must use its
internal power to check a load or circuit
12. In an electrical wiring, a black colored wire in an alter- the hot
conductor
nating current circuit usually indicates;
13. Fuses are sized by: Volts & Amps
1/
20
, HVAC Electrical Main Test with All Correct & 100%
Verified Answers |Actual Complete Exam| Already
Graded A+
14. what would be the result, if a 24 volts , 20-ohm Only the control
low voltage contactor coil were wired in series relay would
with a 24 volt, 200-Ohm control relay coil?
operate.
2/
20
, HVAC Electrical Main Test with All Correct & 100%
Verified Answers |Actual Complete Exam| Already
Graded A+
15. Three defrost heaters, each 15 ohms are wired 2880 Watts
in par- allel to a 120 volt power supply. How
many watts of power will be used?
16. Which of the following is generally
5%
considered to be within the maximum
allowable (plus or minus) supply voltage
variation?
17. Capacitors are rated in? Microfarards & Volts
18. When testing a capacitor with an analog or Measure low
digital ohmmeter, the meter should;
resistance then return
to high read- ing
19. What is a term used to describe the output
Secondary side
side of a transformer?
20. One horsepower is equal to Watts 746 Watts
21. How much resistance must be placed in a 120 60 Ohms
Volt circuit in order to limit the current to
2 amps?
22. A parallel circuit contains 18 ohms and a 9 ohms resis- 6 ohms
tor. The total resistance equals;
23. In a series circuit, the voltage drop across add up to equal the
each resis- tance (load) will;
source voltage.
24. The total resistance of a parallel circuit will be; Less than the smallest
re-
sistance
25. Is True or False; Current flow will decrease when volt- age
3/
20
