Voltage tester - Study guides, Class notes & Summaries

NCCER Electrical module 3 (intro to electrical circuits) Exam Questions And Answers All Verified a circuit has a source voltage of 50v and a current of 10A, what is the power in watts? - ANS 500w voltage is defined as the? - ANS driving force that makes current flow in a circuit if a circuit has 12 amps of current and the resistance is 20 ohms, the applied voltage is? - ANS 240 volts if two 10 ohm resistors are connected in series, what is the total resistance of the resistors? ...

When using a pulse load tester on a sealed lead acid battery, the minimum acceptable capacity is... Answer - 80% When a software change is made to a fire alarm system, what percentage of the initiating devices not affected by the change must be tested Answer - 10% When testing elevator recall, the elevator should go to the alternate level when: Answer - The lobby smoke detector on the recall level is activated Minimum requirement for system documentation Answer - Battery calculations/fl...

What is the first thing a tech should do when arriving at a no combustion call? - Answer- Ask how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. -Install a quality oil filter. -Cut the suction line 10" above the tank outlet to prevent sludge. Hot water and steam valves are interchangeable. - Answer- False When in the presence of a flame, a cad cell normally reads.. - Answe...

NICET Level 1 inspection and Testing Exam 2024 When using a pulse load tester on a sealed lead acid battery, the minimum acceptable capacity is... -Answer-80% When a software change is made to a fire alarm system, what percentage of the initiating devices not affected by the change must be tested -Answer-10% When testing elevator recall, the elevator should go to the alternate level when: -Answer-The lobby smoke detector on the recall level is activated Minimum requirement for system docu...

NCTI Final Exam: Progression Field Tech 2- 3 Exam| New Update 2023/ 2024|Verified Questions and Answers 1. What would be the downstream throughput if two QAM channels with a throughput of 38 Mbps were bonded?  Answer: 76 Mbps. 2. What are two features that were added in DOCSIS 3.1 to extend the viability of HFC networks into the next decade?  Answer: OFDM and LDPC. 3. Which step in the troubleshooting process requires a discussion with the customer to gather more...

FULL NHIE EXAM PRACTICE - Questions and Answers (Complete Solutions) Where you have found evidence of footing settlement, how can you predict whether there will be further settlement? (a) You can count the number of planes of movement. (b) You can determine the type of foundation material. (c) You cannot predict settlement from a single inspection. (d) You can determine the depth of the footing. You typically identify a Freon leak (a) As an oil stain (b) As refrigerant coming out of the Freon ...

Level 1 Module 12 Electrical Test Equipment Questions and Answers 2023 Which of the following devices measures ohms, amps, and volts? Multimeter Which of the following devices is also called an insulation resistance tester? Megger Which instrument should be used to verify that there is power available to run a three-phase motor that will not start? Voltage tester Which meter can measure current without having to make contact with uninsulated wires? Clamp-on anmeter What is the lowest ...

Electrical Wiring Exam 2 Study Guide Questions and Answers Rated A+ What is the role of a wire connector in electrical installations? A wire connector securely joins two or more wires together, ensuring a safe and stable electrical connection. How does a receptacle differ from a switch in terms of function? A receptacle provides access to electrical power for devices, while a switch controls the flow of electricity to a fixture or outlet. What innovative feature does a smart swit...

Residential Wiring Questions and Answers 100% Pass What is the purpose of a circuit breaker in a home? A circuit breaker acts as a safety switch that automatically cuts off electrical flow to prevent overheating and potential fires. How does a three-way switch differ from a standard switch? A three-way switch allows you to control a light fixture from two different locations, perfect for hallways or staircases. What is the significance of grounding in residential wiring? Groundi...

ABYC standard ________ applies to inverters A. E-2 B. A-27 C. A-28 D. A - 31 - Answer-D A true RMS voltmeter is required to accuralty check output voltage from a(n): A. non-sinusoidal output inverter B. Isolation transformer C. Inverter DC input D. Galvanic isolator - Answer-A An AC voltmeter is required at the panel if the boat is equipped with: A. A DC windlass B. An AC- powered water heater C. An inverter D. AC- powered reading lamps - Answer-C All of the following could cause ...