What is voltage - Study guides, Class notes & Summaries

Level 2 Module 1 Alternating Currents 2:1 What is the step-down turns ratio of a transformer with 200 turns in the primary and 100 turns in the secondary? induced high voltage Opening the secondary of a CT under load will cause a dangerous level of___. 40Hz What is the hertz rating of an AC circuit if the frequency is 20 cycles per 1/2 second? 340V Given: A circuit has an rms voltage of 120VAC. What is the peak-to-peak voltage? 175V A circuit has a peak voltage of 275V....

What does GMAW stand for - Answer-Gas Metal Arc Welding GMAW is generally done with what polarity? - Answer-Direct current electrode positive (DC+) What type of power source is generally used for GMAW welding - Answer-Constant Voltage What does E stand for in ER70S-6 - Answer-electrode What does "70" stand for in ER70S-3? - Answer-tensile strength What mode of metal transfer allows for only flat/horizontal position GMAW welding - Answer-Spray What gas mixture is generally associated with...

Electrician NCCER Test Questions and Answers Latest Updated 2024/2025 | Graded. What is a dropout plate? Metal plate with a curve surface for cable to follow as it passes from the tray All of the following are common service voltages in the United States Except: 372/575 3- Phase, 4-wire What does a GFCI breaker do? Opens a circuit to prevent operation of an electrical device What will happen when one or more coils in a winding are grounded? The motor will automatically blow fuses eight in...

NEIEP 500 Final Exam Version 2 (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: Proper adjustment of which of the following can reduce the effects of building compression on an elevator installation? Answer: Rail jack bolts Q: When installing passenger hoistway entrances in a rise of more than three floors without a running platform, which procedure should you follow? Answer: Build a template that you can use to measure off the door frame ...

NEIEP 700 Final Exam Version 1 (Latest 2024 / 2025 Update) Questions and Verified Answers | 100% Correct | Grade A Q: When an elevator constructor describes a normal open contact or a making contact he or she is describing the same contact configuration. Answer: True Q: As current flows through a relay's coil _______________________ generated by the coil will pull or pick the relay's armature . Answer: Magnetic field Q: The most common relay used today is the plug type. Answer: True Q: The maj...

CWB Level 1 Exam Prep (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: Why must European drawings be studied carefully before fabricating parts? Answer: The drawings may employ the use of first angle projection Q: How many principal views are there in an orthographic projection? Answer: 6 Q: What is the angle of inclination most commonly used on an isometric drawing? Answer: 45degree Q: Which lines appear thicker on an engineeri...

An EXCITER on a traditional generator does what? - correct answer Voltage regulation (AVR) if you change the excitation current, you change the voltage. ECO Min, ECO Max, and EMERG Max are genrator _________________. - correct answer Limits When synchronizing to the interconnection, what needs to be synchronized? - correct answer Frequency, Voltage, and phase angle. GMD (GeoMagnetic Disturbance) procedure is implemented when? - correct answer 10A or greater is measured by specia...

NICET Fire Alarm Level 1 Exam Questions And Revised Correct Answers Elevator lobby smoke detectors shall be mounted within a maximum of which distance from the center-line of the door? - ANSWER : 21 feet At minimum, when working near power lines with voltage of 600 volts and lower, an aerial lift operator shall maintain which distance from the lines? - ANSWER : 10 feet The use of unprotected EMT shall be permitted under which conditions? - ANSWER : when in direct contact with t...

NEIEP 700 Final Exam Version 2 (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: What is the primary reason AC relays hum or chatter? Answer: AC cycle reversal Q: Which of the following best describes the contact rating of a magnetic switch? Answer: The maximum voltage and current that can be safely interrupted Q: How can you reduce contact arcing on plug-in relay contacts? Answer: Wire two contacts of the same relay in series ...

What is the result if the neutral wire becomes open on a multiwire circuit having unequal loads? Select one: a. The load of higher resistance would overheat and probably be damaged. b. The load of lesser resistance would overheat and probably be damaged. c. No effect until one load is turned off or opens. d. No effect. The load of higher resistance would overheat and probably be damaged. Refer to Figure 128.202. ___ volts are applied across the water heater element. S...