HVAC Excellence - ELECTRICITY Exam Latest
Update 2025-2026 Actual Exam 110 Questions
with 100% Verified Correct Answers Guaranteed
A+ Verified by Professor
A ___________ is commonly used on a single phase capacitor start fractional horse
power compressor motor to disconnect the start winding after the motor starts. -
CORRECT ANSWER: current relay
A 240 Volt, 3 wire circuit can be split into two 120 Volt circuits. - CORRECT ANSWER:
TRUE
A capacitor analyzer is designed to read; - CORRECT ANSWER: the capacitive
resistance of a capacitor.
A device with overload protection used to control a motor is a; - CORRECT ANSWER:
line starter.
A diode is used to; - CORRECT ANSWER: control the direction of electron flow.
A parallel circuit consists of three resistors.R1 = 30 Ohms, R2 = 15 Ohms, R3 = 10
Ohms. If the current through R2 is 4 Amps (I = 4 Amps), what is the source Voltage? -
CORRECT ANSWER: 60 volts
A parallel circuit contains a 18 ohm and a 9 ohm resistor. The total resistance equals; -
CORRECT ANSWER: 6 ohms.
A solenoid valve coil operates on the principle of - CORRECT ANSWER:
electromagnetism.
, A step up transformer increases; - CORRECT ANSWER: voltage.
A three phase load requires a minimum of; - CORRECT ANSWER: three supply lines.
A transducer can create a signal based on. - CORRECT ANSWER: pressure.
A transformer has 1000 turns of wire in the primary coil and 2000 turns in the secondary
coil. If 120 volts are applied, the output voltage will be; - CORRECT ANSWER: 240 volts
A transformer has 1000 turns of wire in the primary coil and 500 turns in the secondary
coil. If 120 volts are applied, the output voltage will be. - CORRECT ANSWER: 60 volts
A typical thermocouple used on a gas furnace can. - CORRECT ANSWER: generate a
small DC electrical current.
An electron has; - CORRECT ANSWER: a negative charge.
An electronically commutated motor (ECM) is designed to; - CORRECT ANSWER:
provide proper air flow under various conditions.
An ohmmeter should never be connected to; - CORRECT ANSWER: a live circuit or a
charged capacitor until it has been discharged
Any material that will readily release electrons is called; - CORRECT ANSWER: A
conductor
Capacitors are always connected _____________ to the start winding. - CORRECT
ANSWER: in series
Update 2025-2026 Actual Exam 110 Questions
with 100% Verified Correct Answers Guaranteed
A+ Verified by Professor
A ___________ is commonly used on a single phase capacitor start fractional horse
power compressor motor to disconnect the start winding after the motor starts. -
CORRECT ANSWER: current relay
A 240 Volt, 3 wire circuit can be split into two 120 Volt circuits. - CORRECT ANSWER:
TRUE
A capacitor analyzer is designed to read; - CORRECT ANSWER: the capacitive
resistance of a capacitor.
A device with overload protection used to control a motor is a; - CORRECT ANSWER:
line starter.
A diode is used to; - CORRECT ANSWER: control the direction of electron flow.
A parallel circuit consists of three resistors.R1 = 30 Ohms, R2 = 15 Ohms, R3 = 10
Ohms. If the current through R2 is 4 Amps (I = 4 Amps), what is the source Voltage? -
CORRECT ANSWER: 60 volts
A parallel circuit contains a 18 ohm and a 9 ohm resistor. The total resistance equals; -
CORRECT ANSWER: 6 ohms.
A solenoid valve coil operates on the principle of - CORRECT ANSWER:
electromagnetism.
, A step up transformer increases; - CORRECT ANSWER: voltage.
A three phase load requires a minimum of; - CORRECT ANSWER: three supply lines.
A transducer can create a signal based on. - CORRECT ANSWER: pressure.
A transformer has 1000 turns of wire in the primary coil and 2000 turns in the secondary
coil. If 120 volts are applied, the output voltage will be; - CORRECT ANSWER: 240 volts
A transformer has 1000 turns of wire in the primary coil and 500 turns in the secondary
coil. If 120 volts are applied, the output voltage will be. - CORRECT ANSWER: 60 volts
A typical thermocouple used on a gas furnace can. - CORRECT ANSWER: generate a
small DC electrical current.
An electron has; - CORRECT ANSWER: a negative charge.
An electronically commutated motor (ECM) is designed to; - CORRECT ANSWER:
provide proper air flow under various conditions.
An ohmmeter should never be connected to; - CORRECT ANSWER: a live circuit or a
charged capacitor until it has been discharged
Any material that will readily release electrons is called; - CORRECT ANSWER: A
conductor
Capacitors are always connected _____________ to the start winding. - CORRECT
ANSWER: in series
