An electrical circuit - Study guides, Class notes & Summaries

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...

CWB Welding Inspector Level 3 Exam Prep (Latest 2024 / 2025 Update) Questions and Verified Answers | All Modules Covered | 100% Correct | Grade A Q: Fluxes that can dissolve the oxides on Al are ............ Answer: Halide compounds ( Fluorine, chlorine, Bromine etc.) Q: Chlorine gas from a Chloride flux in presence of an arc can create poisonous gas called .......... Answer: Phosgene (COCL2) or Mustard gas produced by the reaction of chlorine and carbon monoxide in the presence of intense light...

Traffic Signal Technician Level II (Latest 2024 / 2025 Update) Questions and Verified Answers | Grade A | 100% Correct Q: Check for proper operating DC voltage, check for the absence of red on a phase that does not have green, yellow, or walk, check on a simultaneous are functions that are provided by both - Answer: CMU and MMU Q: What is the purpose of relays in a traffic signal system? Answer: to transfer the outputs from one component to another Q: What device minimizes the amount of voltage ...

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....

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 ...

ASD Exam Questions With 100% Correct Answers 2023 Category 1 - Correct Answer-Category of Water that originates from sanitary water source (Clean) Catetroy 2 - Correct Answer-Category of Water that is contaminated; may cause discomfort or sickness (Grey) Category 3 - Correct Answer-Category of Water that is grossly contaminated; includes toxins, pathogens Special Situation - Correct Answer-Regulated or hazardous materials Class 1 - Correct Answer-Class of water that has least amount...

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...

NST1502 Assignment 4 (Portfolio) 2024 | Due 8 October 2024. All questions answered. QUESTION 1 Energy Basics [18 marks] 1.1 Define and explain the different forms of energy, providing real-world examples for each. (Focus on the following forms of energy; Kinetic energy; potential energy; thermal energy; chemical energy; electrical energy, light energy, and sound energy). (14) 1.2 Discuss the concept of energy transformation, giving examples of how one form of energy can be converted into...

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...

NEIEP 300 Final Exam Version 1 (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: Which of the following can be caused by even a slight electrical shock? Answer: - Injury due to involuntary movements Q: Of the following choices, which will cause current to flow, causing an electrical shock? Answer: Contacting a live conductor and ground Q: The severity of electrical shock is greatly increased in the presence of which of the following? ...