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What does EHV stand for?
Answer
Correct Answer:
Extra High Voltage
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What is Extra High Voltage?
Answer
Correct Answer:
An electrical system or cable designed to operate at 345kv (nominal) or higher.
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What is electromotive force?
Answer
Correct Answer:
Potential causing electricity to flow in a closed circuit.
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What is electricity?
Answer
Correct Answer:
The flow of electrons through a conducting medium.
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What is electric load shaping?
Answer
Correct Answer:
The scheduling and operation of generating resources to meet changing load levels
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What is an electric generator?
Answer
Correct Answer:
A machine that transforms mechanical power into electric power.
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What is the most basic form of coupling in the grid?
Answer
Correct Answer:
Direct Electric Interconnection
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What is an electric cooperative?
Answer
Correct Answer:
A private, not-for-profit business governed by its consumers (known as consumer-members)
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After what conditions will an electrical relay produce sudden changes in one or more electrical circuits?
Answer
Correct Answer:
The appearance of certain conditions in the controlling circuit.
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What is lighting efficiency?
Answer
Correct Answer:
A ratio of light emitted from a luminaire to the light produced by the bare lamp.
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What is the discharge current?
Answer
Correct Answer:
The surge current that is dissipated through a surge arrester.
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What is the surge current dissipated through a surge arrester called?
Answer
Correct Answer:
Discharge Current
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What is the opposite of direct current?
Answer
Correct Answer:
Alternating current
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Which of the following is not a type of current?
Answer
Correct Answer:
AC - Alternating Current
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What is the Dielectric Test?
Answer
Correct Answer:
A test that is used to verify an insulation system.
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What is a dielectric?
Answer
Correct Answer:
Any insulating medium which intervenes between two conductors and permits electrostatic attraction and repulsion to take place across it.
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What is the optimization of the incremental cost of delivered power called?
Answer
Correct Answer:
Economic Dispatch
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What is the name of the speed control mode that enables synchronous generators to be run in parallel?
Answer
Correct Answer:
Droop Speed Control
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What is the purpose of a Distribution Transformer?
Answer
Correct Answer:
Transfers electrical energy from a primary to a secondary distribution circuit
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A distribution transformer is a transformer for transferring electrical energy from a primary distribution circuit to a:
Answer
Correct Answer:
Secondary distribution circuit
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What is the distribution system operator responsible for?
Answer
Correct Answer:
Providing reliable real-time distribution service, including the operation of Distributed Energy Resource.
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What is the responsible for providing reliable real-time distribution service, including the operation of Distributed Energy Resource?
Answer
Correct Answer:
Distribution System Operator
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The distribution system is generally considered to be anything from the distribution substation fence to what?
Answer
Correct Answer:
The customer meter
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What is Distributed Energy Resource (DER)?
Answer
Correct Answer:
Small-scale distributed generation and storage, usually connected to a distribution grid.
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What is Distributed Energy Resource?
Answer
Correct Answer:
Small-scale distributed generation and storage, usually connected to a distribution grid.
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What is the full meaning of "DR"?
Answer
Correct Answer:
Demand Response
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What is electric current?
Answer
Correct Answer:
The rate of flow of electrical energy through a conductor or wire
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What is measured in amperes?
Answer
Correct Answer:
Electric current
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What does the CSA registered mark show?
Answer
Correct Answer:
That a product has been independently tested and certified to meet recognized standards for safety or performance.
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A connector is wired to the _____.
Answer
Correct Answer:
Source of power
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Which of the following is NOT a conducting material?
Answer
Correct Answer:
Paper
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Which of the following is the best conductor?
Answer
Correct Answer:
Silver
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What does CE stand for?
Answer
Correct Answer:
Conformite Europeene
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What does the CE marking on products indicate?
Answer
Correct Answer:
Compliance with all applicable directives
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What does a carbon monoxide alarm do?
Answer
Correct Answer:
Detect the presence of carbon monoxide in the air
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What is a cable harness?
Answer
Correct Answer:
A string of cables and/or wires which transmit informational signals or operating currents (energy)
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What is the main purpose of a contingency reserve?
Answer
Correct Answer:
To cover the unplanned trip of a large generator or transmission line
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What is the main purpose of Contingency Analysis?
Answer
Correct Answer:
To show operators the effects of future outages
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What is the definition of contingency?
Answer
Correct Answer:
The unexpected failure or outage of a system component
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What is cogeneration?
Answer
Correct Answer:
The generation of electric energy and commercial or industrial quality heat or steam from a single facility.
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What does an unbalanced circuit mean?
Answer
Correct Answer:
A circuit with two sides that are electrically unlike
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What does a circuit do?
Answer
Correct Answer:
Allows an electric current to flow through it
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What is the main purpose of a circuit breaker?
Answer
Correct Answer:
To make, carry, and break currents under normal and abnormal conditions.
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What is a cable?
Answer
Correct Answer:
A set of wires, usually encased in an outer protective jacket.
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A "cord" would be a cable by this definition so far, but what is the main difference between a cord and a cable?
Answer
Correct Answer:
A cord is more flexible and often has a plug end for a portable appliance or lamp.
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What does the word "Bundle" mean in the context of electrical engineering?
Answer
Correct Answer:
Multiple cables used to form one phase of an overhead circuit.
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What does it mean to "buck" voltage?
Answer
Correct Answer:
To lower the voltage.
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What does "Buck" mean?
Answer
Correct Answer:
The act of lowering the voltage.
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What is the term for a reduction of voltage on the system?
Answer
Correct Answer:
Brownout
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What does the word "Brownout" refer to?
Answer
Correct Answer:
A reduction of voltage on the system.
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What is a Boost Charge?
Answer
Correct Answer:
A charge applied to a battery which is already near a state of full charge, usually of short duration.
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What is the purpose of a boost charge?
Answer
Correct Answer:
To charge a battery that is already near full charge
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What does a battery backup provide power for in case of an electrical outage?
Answer
Correct Answer:
Electrical equipment
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What does a bus do?
Answer
Correct Answer:
Serves as a common connection for two or more circuits.
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What is the capacity, in equipment and conductors, installed on the bulk system in excess of that required to carry the peak load called?
Answer
Correct Answer:
Bulk System Reserve
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What is the Bulk Power System?
Answer
Correct Answer:
An interconnected system for the movement or transfer of electric energy in bulk on transmission levels.
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What is B2G?
Answer
Correct Answer:
The interaction of buildings and grids, wherein services may be exchanged in either direction.
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What is a branch?
Answer
Correct Answer:
One, two, or more circuits whose main power is connected through the same main switch or device.
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What is the main power connected through in a Branch?
Answer
Correct Answer:
Main switch or device
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What is the definition of Black Start?
Answer
Correct Answer:
The process of restoring an electric power station
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In a bilateral market, who agrees to the mutually agreeable terms?
Answer
Correct Answer:
Buyer and Seller
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What is the minimum amount of electric power delivered or required over a given period at a constant rate?
Answer
Correct Answer:
Base Load
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What is the base load?
Answer
Correct Answer:
The minimum amount of electric power delivered or required over a given period at a constant rate.
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Which of the following is not a base-load generating plant?
Answer
Correct Answer:
Solar Power Plant
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Which type of generating plant is typically dispatched at constant or near-constant levels?
Answer
Correct Answer:
Base-load generating plants
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What does a Balancing Authority Area do?
Answer
Correct Answer:
Manages generation dispatch and balance, power interchange with neighboring Balancing Authority Areas, and load frequency control.
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What is the responsible entity that integrates resource plans ahead of time called?
Answer
Correct Answer:
Balancing Authority
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What does a Balancing Authority do?
Answer
Correct Answer:
Maintains demand and resource balance within a Balancing Authority Area
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What is the fundamental balance required in a balancing area?
Answer
Correct Answer:
The total of all generation must equal the total of all loads.
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What is the ancillary service?
Answer
Correct Answer:
Services that assist the grid operator in maintaining system balance.
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Which of the following is not an Aggregator (Demand Response)?
Answer
Correct Answer:
Independent System Operator
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What does AMI stand for?
Answer
Correct Answer:
Advanced Metering Infrastructure
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What is Advanced Flexible Distribution?
Answer
Correct Answer:
A distribution system where power can be derived from a variable mix of grid and local sources.
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What is the main component of an advanced flexible distribution system?
Answer
Correct Answer:
A variable mix of grid and local sources.
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What is the definition of adaptability?
Answer
Correct Answer:
The ability to respond to change in demand and supply
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What is a person approved or assigned by the employer to perform a specific type of duty or duties at the jobsite called?
Answer
Correct Answer:
A designated person.
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What does "Approved" mean?
Answer
Correct Answer:
Sanctioned, endorsed, accredited, certified, or accepted as satisfactory by a duly constituted and nationally recognized authority or agency.
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What does ANSI stand for?
Answer
Correct Answer:
American National Standards Institute
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What is an arc flash?
Answer
Correct Answer:
The flow of current through the air between phase conductors or phase and neutral or ground.
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What is an Arc?
Answer
Correct Answer:
A discharge of electricity through air or a gas.
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What is the purpose of an anchor?
Answer
Correct Answer:
To support and hold in place conductors when they are terminated at a pole or structure.
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What does Amperage measure?
Answer
Correct Answer:
The flow rate of electricity
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What is Amperage?
Answer
Correct Answer:
Measurement of the flow rate of electricity
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What does ampacity refer to?
Answer
Correct Answer:
Current in amperes that a conductor can carry continuously without exceeding its temperature rating.
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What does AWG stand for?
Answer
Correct Answer:
American Wire Gage
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What is the name of the current that reverses direction at regular intervals?
Answer
Correct Answer:
Alternating current
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What does "Al" represent?
Answer
Correct Answer:
Aluminum
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What is the chemical symbol for aluminum?
Answer
Correct Answer:
Al
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What does AIS stand for?
Answer
Correct Answer:
Air Insulated Switchgear
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What is the main purpose of an air blast breaker?
Answer
Correct Answer:
To blow-out the arc when the contacts open
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What blows out the arc in an air blast circuit breaker?
Answer
Correct Answer:
A blast of compressed air
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What does an adapter do?
Answer
Correct Answer:
Allows different devices to connect
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What is an adapter?
Answer
Correct Answer:
A cord or block style device with different ends that allows different devices to connect.
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What is the definition for Apparent Power?
Answer
Correct Answer:
The vector sum of Active Power and Reactive Power
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What is the original state of the active material in a battery during the charging process?
Answer
Correct Answer:
The material returns to its original state
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What is the definition of active material?
Answer
Correct Answer:
Material which reacts chemically to produce electrical energy when the cell discharges
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What is an Access Point?
Answer
Correct Answer:
A wireless networked device usually connected to a wireless LAN used to access the wired LAN
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What does 'ACB' stand for?
Answer
Correct Answer:
Air Circuit Breaker
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What does AC stand for?
Answer
Correct Answer:
Alternating Current
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What does "Amp" stand for?
Answer
Correct Answer:
The measurement of the electrical current flowing in a circuit at any given moment.
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