Kwh 1 Samenvattingen, Notities en Examens

NABCEP PRACTICE EXAM QUESTIONS WITH SOLUTIONS power=250W, open circuit voltage=40V, maximum power voltage=35V, short circuit current=8A, maximum power current=7.5A, temp coefficient for voltage= -0.33%/°C, CEC power=220W, NOCT=48°C, Inverter low MPPT voltage=230V, Inverter maximum input voltage=550V There are 4 PV source circuits of 10 modules each. What is the MPPT voltage of the array at Standard Test Conditions? a. 160V b. 350V c. 140v d. 230V - ANS b. 350V an off grid insta...

CSLB C10 TEST 1 / 120+ QUESTIONS AND CORRECT ANSWERS 2023/2024 / GRADED A+. CSLB C10 Test 1 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-watt fluorescent light is 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...

A fuel's net energy yield is correctly defined as - a comparison between the cost of mining, processing, and transporting a fuel and the amount of useful energy the fuel generates A regular light bulb has an efficiency rating of 3 percent. For every 1 joule of energy that bulb uses, the amount of energy produced is - 0.03 joules of light Methane gas and ethanol are two examples of biogases that are produced in what process? - The anaerobic digestion of biomass Hybrid car engines have what...

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...

BBE 2201 Final Exam Questions and Answers Rated A+ The EIA Geothermal video suggested that wastewater has never yet been a source of water for geothermal plants but some are considering it. False Which of the following are benefits of deep geothermal systems? Select all that apply. Small footprint Low impact on the environment Renewable energy is produced The US currently generates about _______% of our overall total electricity from deep geothermal systems. We are currently at 0.4%, but coul...

CSLB B GENERAL Exam Review Questions and answers, VERIFIED/ PTICH - rise/span what size of a circuit breaker can be installed on a line with 7 outlets 14 AWG wire? - 15 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'? - 22.5; (45x50) / 100 (roofing squares made of 10'x10'). total drop ...

FIN 301 Penn State World Campus Final Excel project Scenario: Tom Jones, the CFO for the firm PSUWC Energy, LLC, woke up with a start at 4:00 am on July 2, 2012, due to his phone ringing. It was his senior financial analyst, vacationing in Europe, calling with bad news. Tom was supposed to present his project evaluation, at the end of the week, for the Board's proposal that they invest in new equipment that generates electricity, using a new nuclear technology. His staff of financial analysts h...

1-1 Light output is measured in ...? a) Footcandles b) Lumens c) Watts d) Electrons - b) Lumens 1-2 Rated lamp life is the time when ...? a) Lamps reach 20,000 hours of operation b) 1/2 of a large group of lamps are expected to have failed c) All lamps are expected to fail d) It's the best time to group relamp - b) 1/2 of a large group of lamps are expected to have failed 1-3 The Color Rendering Index is a scale that describes how accurately colors look when struck by the...

NATE CORE STUDY GUIDE QUESTIONS WITH COMPLETE SOLUTIONS GRADED A+ Which of the following is not the product of incomplete combustion: -Ans Oxides of nitrogen An oil trap is required at the base of the discharge line of the vertical riser is _____ or above -Ans 8 feet A diode allows current to flow in one direction: -Ans True 1 Watt = _____ Btu -Ans 3.41 Current in a closed circuit is limited by which of the following: -Ans resistance An oil separator is located in the _____: -A...