Kwh 1 - Guides d'étude, Notes de cours & Résumés

LCA (or LCI) is intended to be _______________________. Which of the following is inappropriate? ANSWER: ABSOLUTE Uncertainty can be reduced or eliminated with more or better data. ANSWER: True Which one of the following statements is true with Zero Emission Vehicles? ANSWER: Zero emission vehicles no tailpipes How much will it cost to leave a 50-watt light bulb on for 200 hours? Assume you pay $0.10/ kWh ANSWER: 1 The city of Philadelphia has expanded its curbside ______ program to ...

2 © OCR 2023 Section A You should spend a maximum of 30 minutes on this section. Write your answer to each question in the box provided. 1 Which of these units is a base unit? A A B J C m2 D N Your answer [1] 2 The accepted value of g is 9.81 ms–2 . In an experiment to verify the value of g, students obtained a value of 10.20ms–2 . What is the percentage difference between the students’ value and the accepted value of g? A 1% B 2% C 4% D 8% Your answer [1] 3 Which of ...

PTICH correct answersrise/span what size of a circuit breaker can be installed on a line with 7 outlets 14 AWG wire? correct answers15 amp; according to code, the conductor ampacity rating for a 14 gauge wire is 15 amps. for 12 gauges wire is 20 amps. the number of outlets does not determine the size of circuit breaker. how many roof squares are in the roof measuring 45' by 50'? correct answers22.5; (45x50) / 100 (roofing squares made of 10'x10'). total drop for a 120' pipe with a ...

NATE CORE STUDY GUIDE(correct answers)to passWhich of the following is not the product of incomplete combustion: Oxides of nitrogen An oil trap is required at the base of the discharge line of the vertical riser is _____ or above 8 feet A diode allows current to flow in one direction: True 1 Watt = _____ Btu 3.41 Current in a closed circuit is limited by which of the following: resistance An oil separator is located in the _____: Discharge line ___...

1. What is the minimum working clearance from an electrical panel under 600 V?: 36" 2. Voltage drop in wire is a function of:: Wire gauge, Length of wire, Current flow in the wire 3. A 12-volt direct current,13-wattfluorescentlightis controlled by a photocell. The average daily on-time is 12 hours per day. How many watt-hours are consumed by the light on an average day?: 156 4. Where may you use nonmetallic-sheathed cable?: inside floors and walls 5. What is the maximum permitted distan...

Levelized cost of energy <~~> Cost of kWh per plant per plant life. All costs LCOE Renewables <~~> High upfront cost, low over time LCOE non renewables <~~> Low cost upfront, Med/High over time Rate Formula <~~> R=OM+(V-D)r (V-D)r <~~> (rate base) Value of investment in infrastructure - depreciation r= profit allowed to utility 1 | P a g e | © copyright 2024/2025 | Grade A+ Master01 | September, 2024/2025 | Latest update OM <~~> Operating...

r cables, motors, fluorescent lighting, switching power supplies, powered radio equipment and antennas Crosstalk definition - answerElectromagnetic interference, internal to the cable , that comes from another pair within the sheath Two examples of internal electromagnetic interference - answerCross talk or coming from the cables shield, screen, or other metallic component that is improperly bonded and grounded Net current fields we can directly with __________ - answerDistance High-curre...

Three transmission methods are - Answer-Symplex, half duplex, full duplex The choice of a specific transport medium is influenced by 5 economics and technical considerations such as the: - Answer-Physical construction, type of services, topology and size of the network, transmission path distance, transmission performance characteristics of the cabling. Twisted pair cable is called balanced cable because: - Answer-The physical construction of both conductors and the associated connections t...

Three transmission methods are - Symplex, half duplex, full duplex The choice of a specific transport medium is influenced by 5 economics and technical considerations such as the: - Physical construction, type of services, topology and size of the network, transmission path distance, transmission performance characteristics of the cabling. Twisted pair cable is called balanced cable because: - The physical construction of both conductors and the associated connections transmit information ...

REC Electrical Module Latest 2023 Rated A+ Ohm's Law What is the unit for voltage? Volts What is the unit for current? Amps What is the unit for resistance? Ohms Electricity Energy resulting from charged particles (electrons or protons). How is electricity formed? Charge (statically) or current (dynamically). Static Electricity _________ ________ charge by friction. Causes sparks, crackling or attraction of dust or har. Current Electricity Electrical charge that flows form one place to ...