IENG2010_F23_Assignment2

The circuit breaker cubicles illustrated in your reading material each contain____circuit breakers. A. Two B. Three C. Four D. Six

The system having ±0.5% of F.S.D if the full scale deflection is 50 units, then accuracy is _____ a. ±0.25 b. ±1 c. ±0 d. ±0.5

Potential energy, or voltage, introduced into a circuit is called a(n) ____________________.

6. According to the NEC, allowance for the future expansion of installations isA. an exception.B. in everyone's best interest.C. defined.D. a requirement.

Please answer in typing format

Please answer in typing format with explanation

Please answer in typing format

23. The __________  formula relates physical and chemical process rates to temperature and is used to describe the relationship between temperature and time to failure for electronic

A semiconductor is a material that has _____ energy band gap. a)no b)wide c)narrow d)nuclear

Messages AA Statement one Training will allow you to safely erect a mobile. tower scaffold on any ground surface condition. and access the tower both internal and externally Statement two In windy conditions placing sheeting around the mobile tower scaffold will protect the workers on the tower a) Statement two is incorrect b) Statement one and two are correct c) Statement one is correct and statement two is incorrect d) Both statements are incorrect actclass.co.uk 22 Questi 23 Questi 24 Questi 25 Questi 26 Questi Submit Answers Ć

if present, are required to be bonded together to form a grounding electrode system. What article does this refer to in the NEC 2017?

6. Ferrous metal raceways or enclosures are made with _______ content.A. brass or aluminumB. steel or brassC. aluminum or ironD. iron or steel

1. A14/2 type copper used for a general lighting branch circuit.                                                Ampacity:______________              Maximum Fuse or Circuit Breakers Sizes:________________      2.Three 8 AWG copper conductors with THHN insulation Installed in garage in electrical metallic tubing (EMT). The ambient temperature in the garage can reach as high as 110'F. All termination points for this circuit are rated 60'C.                            Ampacity:______________                  Maximum Fuse or Circuit Breakers Sizes:________________ 3.Four 4 AWG copper conductor with THWN insulation imstalled in EMT in a basement. All termination points are rated at 60'C.                                 Ampacity:______________                  Maximum Fuse or Circuit Breakers Sizes:________________  4. An 8/3 Type UF copper cable installed underground from a house to a detached garage to feed a 120/240-volt subpanel. All termination points are rated at 60'C.…

Four electricians are discussing wiring under raised floors in information technology equipment rooms. Electrician A says that wiring under the raised floor requires fire-resistant walls, floors, and ceilings between other occupancies. Electrician B says that wiring under the raised floor requires fire resistant halfway up the walls and floors between other occupancies. Electrician C says that the room must employ a disconnecting means that removes half of the power to all equipment in the room. Electrician D says that a disconnecting means isn't necessary for the room. Which of the following statements is correct? A. Electrician B is correct. B. Electrician D is correct. C. Electrician A is correct. D. Electrician C is correct.

1.1 PV modules can be wired together in an array using ______ connections to increase voltage. a. Terminating b. Series c. Parallel d. AC 1.2 A PV module, also called a solar panel, is comprised of individual photovoltaic _______ wired and mounted together as an integrated unit. a. Capsules b. Compartments c. Chips d. Cells   1.3 A __________ system uses a storage system that stores the generated electricity so it can provide during times when the system’s panels are not receiving solar energy. a. Direct coupled b. Self regulating c. Charge controlled d. Indirectly connected   1. 4 __________ energy may have the potential to supply all of the world's energy needs, but at this time, it provides a very small percentage. a. Coal b. Natural Gas c. Diesel d. Solar

If an electrical system operates at a potential higher than 600 volts, the nonmetallic conduit must be encased in at least_of concrete. A. 1 inch B. 2 inches C. 4 inches D. 6 inches

Raceway fill calculations are a prerequisite in ____ needed for particular circuits. Select one: A. MATERIAL REQUIREMENTS B. SCHEMATIC REQUIREMENTS C. DETERMINING THE SIZE OF RACEWAY D. CIRCUIT LOADS

schedules are typically provided to detail the circuits and overcurrent protection required for listribution equipment. Branch-circuit - Outlet C. d. ore distribution points for electrical in .... Switch Panelboard

You wish to turn on the two LEDs located at the outside of the LED pack, so the first thing you will do is set AL to _________.   A) 00   B) 11   C) 18 D) 55 E) 81

Complete the following statement about multimeters using the following words. Words: Accuracy, Advanced, Available, Circuits, Current, Digital, Diode, Direct, Display, Electronic, Functions, High, Hundredths, Impedance, Measure, Multimeter, Needle, Ohms, Provide, Range, Selected, Test A digital __________ (DMM) can __________ many more things than volts, __________, and lowcurrent. Most multimeters measure __________ current (dc) and alternating __________ (ac)amperes, volts, and ohms. More __________ multimeters may also measure __________ continuity,frequency, temperature, engine speed, and dwell, and/or duty cycle.Multimeters are __________ with either digital or analogue displays. DMMs __________ great__________ by measuring volts, ohms, or amperes in tenths, __________, or thousandths of a unit.Several test __________ are usually provided for each of these __________. Some meters havemultiple __________ ranges that must be manually __________; others are auto-ranging.Analogue…

1)The NEC Style Manual indicates that if a term in the NEC appears in more than two articles, it qualifies for a definition in which of the following. a) The articles where the term appears b) Article 90 c) Article 100 d) Table of Contents  2)Definitions of terms related to grounding and bonding and used only in Article 250 are located in ________.a) Article 100 b) Article 200 c) Chapter 9 d) Section 250.2  3)As a general rule, when installing ground rod electrodes, two must be installed always unless a single ground rod provides not more than 25 ohms’ resistance to ground. a) True b) False

Electrical plants Define the terms "Main column ." " Line ." " Protection earth " and " Operating earth