Electrical circuit Study guides, Revision notes & Summaries

Electrical Shock - correct answer Sensation and muscular spasm cause when electric current passes through the body Voltage - correct answer Potential of electric energy; pressure of electrons pushing away from each other Current - correct answer Flow of electrons Most dangerous paths - correct answer Hand to hand & left hand to either foot Factors affecting shock - correct answer Amount of current, path of current, amount of body resistance, length of time current flows in ...

As per CAN/ULC S801, on an electrical distribution overhead utility line circuit, verification of voltage absence can be achieved by: - Using an approved voltage detector. Isolation and tagging (no locks) is acceptable on an overhead distribution circuit under some of the following conditions, EXCEPT for: - The isolation can be operated from the ground directly at the base of a structure. Isolation and tagging (no locks) is acceptable for an overhead distribution circuit under some of the ...

What material should be used for seating brushes? (Ans- Sandpaper Readings on the meter appear to be inaccurate, what should you do? (Ans- Test meter A machine that converts mechanical energy into electrical energy (Ans- Generator What is the purpose of interpoles in a motor? (Ans- Helps prevent neutral planes from shifting In the basic loop circuit generator armature supplies DC power to what DC elevator hoist motor component? (Ans- Motor Armature If you have leakage re...

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...

Electrical Level 3 Module 1 Load Calculations and Branch Feeder Circuits Quiz_ 2022. According to the NEC®, the ampacity of branch circuit conductors must be derated when there are more than how many current-carrying conductors in a raceway? Air conditioning overcurrent protective devices can never exceed what percentage of the motor-rated load current or the branch circuit selection current (whichever is greater)? Conductors must be derated when installed in conduit Continuous load...

PICAT Verification Test practice Questions with 100% Correct Answers In making permanent electronic connections, use? [Ans:- soldering iron When current flow is interrupted by a blown fuse, the circuits becomes? [Ans:- Open A standard multimeter does not measure? [Ans:- frequency Electric current flowing from one component to the next is an example of what kind of circuit? [Ans:- Series In order to make an electric current flow, it is necessary to have? [Ans:- Copper conductors ...

Combustible Liquid - Correct answer-A liquid with a flash point ABOVE 100F 12.5 - Correct answer-If the current flowing out from an electrical panel is 12.5 amps, and it then flows through an electrical load of 1500 watts, what is the amperage of the remaining current flow of the return circuit? 1000 - Correct answer-If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage? *Power (P) = current (I) x voltage (V) Watts = amps x volts 1987 - Correct answer-The y...

FDNY Z51 RMO Questions and Answers 100%Verified Graded A+ already passed!! the efficiency of the refrigerant cycle is affected by the operation of the condenser. Of the following, a more efficient centrifugal compressor operation results from - correct answer lowering the condenser pressure In most semi hermetic compressors, the suction vapor is used for - correct answer cools the motor The amount of refrigerant that flows through the orifices of an economizer is determined by the - corre...

Receiving job instruction and planning equipment use are part of: a. craft data. b. job preparation. c. work factors. d. leveled time. - Answer-b. job preparation Anticipating other tasks or problems: a. usually creates additional problems. b. wastes time. c. sharply reduces the number of emergencies. d. often is not worth the effort. - Answer-c sharply reduces the number of emergencies Making job planning a group effort: a. wastes time. b. improves productivity. c. causes confus...