Voltmeter testing - Study guides, Class notes & Summaries

Technician A only - ANSWER-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? Techni...

NICET Level 1 Fire Alarm Inspection & Testing Questions and Answers Graded A+ Verification of performance of inspection and testing programs shall do which of the following to 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 Annually conduct a discharge test with the charger disconnected...

NEIEP 400 Final Review 2024 Practice Exam Questions And Correct Answers Which is true when placing an ammeter into a circuit ? - Answer -The meter is placed in series with any component Which of the following describes the most useful feature of the clamp - on ammeter ? - Answer -Does not require that connections be disturbed Which of the following devices is an example of a reactive component that can store energy for long periods of time causing an electrical hazard even with power re...

NFPA 70E Exam Guide with Verified Answers 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 - CORRECT ANSWER-c 3. For energized circuits, escorted unqualified persons are allowed within which Shock Protection Approach Boundaries? a. Restricted Approach Boundary b. L...

ABYC DIESEL ENGINE CERTIFICATION EXAM COMPREHENSIVE QUESTIONS AND ANSWERS 100% A+ GRADED EXCELLENCE Black soot around the engine compartment openings might indicate: - CORRECT ANSWER-Insufficient engine room ventilation if the engine does not achieve full rpm, what test would be the last to be performed? - CORRECT ANSWER-compression check The exhaust blower switch is activated but the sound coming from the blower is not normal. After a period of time, the breaker trips. What is the most...

An air bag system is being serviced, Technician A says to disconnect the yellow SRS connectors at the front of the vehicle. Technician B says to disconnect and isolate the negative battery cable. Who is right? A. Technician A only B. Technician B only C. Both A and B D. Neither A or B - ANSWER-.B Which of these should be used when soldering electrician wiring connections? A. rosin core flux B. acid core flux C. sulfur core flux D. none of the above - ANSWER-.a When testing co...

Oil Burner License Exam Questions and Answers, Latest Updated 2024/2025 (Verified Answers) 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.. - Answer- 300-1000 ohms If a pump is used to bring oil to a l...

A technician uses an ohmmeter to check resistance and for a complete path in the electrical circuit, also known as: - Continuity. A wattmeter is connected to a circuit with 120 V, 10 A, and a power factor of 91.7%. Its reading is: - 1,100 W. An ohmmeter is set on continuity and beeps when the leads are connected to a circuit. This indicates that: - The circuit path is complete. Before attempting to use an electric meter to measure the circuits on a system, the technician should: - Underst...

NFPA 70E accurate Questions & Answe2. 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 - ANSWER c 3. For energized circuits, escorted unqualified persons are allowed within which Shock Protection Approach Boundaries? a. Restricted Approach Boundary b. Limited and Restric...

ETA CET Exam 382 Questions with Verified Answers The resistance of a component at a given frequency - CORRECT ANSWER What is impedance? Diode - CORRECT ANSWER A two terminal device that conducts in only one direction. Printed Circuit Board - CORRECT ANSWER Insulating board containing conductive tracks for circuit connections. Capacitor - CORRECT ANSWER An electrical device used to store electrical charge. 1996 - CORRECT ANSWER When did the ETA initiate renewal? False - CORRECT ...