Voltmeter testing - Study guides, Class notes & Summaries

NFPA 70E Questions and Answers Already Passed 2. For exposed 480 VAC energized conductors and using NFPA 70E Table 130.2(C) or the Shock Protection Boundaries and PPE Fermilab Summary table for NFPA 70E, the Restricted Approach Boundary for shock protection is a. 1 Inch b. 7 Inches c. 1 Foot d. 3 Feet 6 Inches c 3. For energized circuits, escorted unqualified persons are allowed within which Shock Protection Approach Boundaries? a. Restricted Approach Boundary b. Limite...

Verification of performance of inspection and testing programs shall do which of the following to - ANS Verify that the installed system meets the operation requirements of the version of code when the system was installed, verify the correct operation of the system. Which of the following shall be done when conducting tests in lead-acid type batteries - ANS Annually conduct a discharge test with the charger disconnected while conducting a load test with full alarm load or an artificial l...

Technician A only A technician connects one lead of a DMM (digital multimeter) to the positive (+) terminal of a battery and the other meter lead to the "B" terminal of the starter solenoid and then cranks the engine. During cranking, the voltmeter displays a reading of 878 mV. Technician A says this reading indicates the positive battery cable has very high resistance. Technician B says this reading indicates that the starter armature is defective. Who is right? Technician A only Tec...

When checking for voltage, you inadvertently connect your voltmeter in series with the load. The meter: correct answer: will be destroyed In a series circuit that contains a shorted element, a voltmeter placed in parallel with the shorted element will read: correct answer: zero volts When testing an A.C. motor for current, the most convenient meter to use is the : correct answer: clamp on ammeter You are using a voltmeter to check a fuse connected in a circuit. When connecting the p...

NEIEP 400 Final Exam Review Questions With Answers Latest Updated 2024/2025. A machine that converts mechanical energy into electrical energy - answers>Generator 4. What is the purpose of interpoles in a motor? - answers>Helps prevent neutral planes from shifting 5. In the basic loop circuit generator armature supplies DC power to what DC elevator hoist motor component? - answers>Motor Armature 6. If you have leakage resistance to ground, what will you use to test? - answers>M...

B- Always disconnect the ne the negative battery cable and wrap with tape so contract cannot be made. Follow the specific vehicle's disarming instructions, as some SRS system can retain back up power for an additional period of time. correct answers 2. An air bag system is being serviced. Tech A says to disconnect the yellow SRS connectors at the front of the vehicle. Tech B says to disconnect and isolate the negative battery cable. Who is right? A. Tech A only B. Tech B only C. Both A and ...

B- Always disconnect the ne the negative battery cable and wrap with tape so contract cannot be made. Follow the specific vehicle's disarming instructions, as some SRS system can retain back up power for an additional period of time. - correct answer -2. An air bag system is being serviced. Tech A says to disconnect the yellow SRS connectors at the front of the vehicle. Tech B says to disconnect and isolate the negative battery cable. Who is right? A. Tech A only B. Tech B only C. Both A an...

NETA 2 Top Exam Questions and answers, rated A+ Under what considerations can tag out without lock out be permitted? - -***&If an energy isolating device is not capable of being locked For PV systems, a(n) _____ is a device that changes direct-current input to an alternating-current output. - -Inverter Identify the contact pictured above. (NC and NO separated by a node) - -Form C When applying personal protective grounds, which end is attached first? - -***&The equipment end An ...

ABYC Electrical 2 Questions with correct Answers D ABYC standard ________ applies to inverters A. E-2 B. A-27 C. A-28 D. A - 31 A 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 C 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 read...

how much resistance must be placed in 120V curcuit in order to limit the current to 2Amps - ANSWER 60 Ohms when current flows in a 2 wire circuit such as 120v, if a clamp on amp meter is clamped around both wires what measurment would you expect. - ANSWER 0 amps - due to cancellation of 2 fields Current flow is? - ANSWER The flow of electrons in the circuit. What is the symbol for impedence in an AC CIrcuit. - ANSWER Z Impedence is? - ANSWER Oppostion to Alternating current flow. If cont...