Electrical circuit Study guides, Revision notes & Summaries

In capacitors, what is the purpose of the dielectric? - ANSWER-Prevent arcing within the capacitor Which of the following is true about capacitors in AC circuits? - ANSWER-Current leads voltage all the time What describes a capacitor s ability to store an electrical charge? - ANSWER-Capacitance which of the following statements is correct about polarized electrolytic capacitors? - ANSWER-Voltage polarity must be correct What is the time constant for a circuit with 150k ohms and 2 mic...

NEIEP 700 Final Exam Version 1 (Latest 2023/ 2024 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....

Section 1: Transducers, sensors and measuring devices -detailed information with diagrams and tables What is a thermocouple? Making a simple copper-constant thermocouple (Experiment) Investigating Thermistors Section 2: Sensing and Measuring PH meter Moisture sensor Pressure sensor

Type ____ is multiconductor cable identified for use as underground service entrance cable. correct answer: Type USE cable Knife switch rated for more than 1200 Amps at 250Volts or less correct answer: Can be used only as isolating switch, shall not be opened under load Track lighting with outlets in a bathroom is not allowed because ? correct answer: Track lighting has receptacle Where internal combustion engines are used as the prime motor, an on site fuel supply shall be provided ...

CWB Welding Inspector Level 3 Exam Prep (Latest 2023/ 2024 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 prese...

Unit 15D - Electrical Circuits and their Applications - distinction received Cheap and use when you need to hand in assignments quickly

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...

True or False: A mandatory rule can have exceptions. False True or False: Permissive rules are allowed but not required to be performed true What does NEC stand for? National Electrical Code What do chapters 1-4 of the NEC cover General electric installations What do chapters 5-7 of the NEC cover Special equipment and loctations What does chapter 8 of the NEC cover Communication systems What does chapter 9 of the NEC cover tables What is an...

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...

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 ...

Essay Unit 15 A and B - Electrical Circuits and their Application - distinction received Cheap and use when you need to hand in assignments quickly

If you inhale phenolic fumes what would happen to you? Trouble breathing A _________ fire extinguisher should be used on an electrical fire. Class C What does OSHA stand for? Occupational Safety & Health Administration This type of drawing represents a three-dimensional object using several two-dimensional views of the object. Orthographic What are linear dimensions usually expressed in? Decimal or Fractional Units What does a filled triangle represent in a fluid po...