__03

Calculate the assigned values in the circuits below.       E2 = ________            E3 = _________          E6 = _________          E9 = _________ E11 = ________           E13 = _________         RT = ________            R6 = __________ IT = _________           I5   = __________        I7 = _________           I10 = __________ PT = ________

KVLLoop abfea: __________________________________________________Loop cdhgc: __________________________________________________Loop bcgfb: ___________________________________________________

Answer each problem and show your solutions cleanly and clearly. Draw diagrams.__________________________________________________________________________________________________________

Electrical Engineering Give correct answer     UPSs measured in ____________ and ______________. __________________ are what your system uses and ____________________________ are what UPS can deliver in a perfect world.

___________ is an Area on a device characteristic where the ratio between applied voltage and resulting current is constant.

6.a. Extreme _______ may cause some nonmetallic conduits to become brittle and therefore moresusceptible to damage from physical contact.A. coldB. corrosionC. voltageD. heat6.b. Snap switches are permitted to be grouped or ganged in an enclosure provided the voltage between theadjacent snap switches does not exceed ___ V.A. 400B. 300C. 200D. 100

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

NUMBER SYSTEM ADDITION 10111 BASE 2 + FEED BASE 16 + 321 BASE 8 = ____________ BASE 8 1020 BASE 10  + 101111  BASE 2  + 212 BASE 8 = ___________BASE 16 F12 BASE 16 +  FAAA BASE 16 + CDA BASE 16 = ____________BASE 8 1011 BASE 2 + 1011 BASE 2 + 1101 BASE 2 + A BASE 16=_______BASE 10 444 BASE 8 + 222 BASE 8 + 101 BASE 8 + F BASE 16 = ________BASE 16 101101  BASE 2 +  1110101 BASE 2 + 11101 BASE 2 + 0101 BASE 2= _______BASE 2

Part 2: Analysis and selection of the Wind Turbine. The team decides at install a 30 MW wind farm. The turbine that has been selected by the local contractor is an Enercon wind turbine. The specifications of all the available Enercon wind turbine is shown in the attached datasheet. 1. Decide on the required number of wind turbines needed. 2. In your own words, explain what the Betz limit for wind turbines means.

A device used in kitchen serving hotels dining rooms club houses and restaurants is__________. a.) Grease basin b.) Yard basin       c.) Garage basin         d.) Oil catch basin

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

Answer the following: A) Type of clipper circuit per level of clipping. 1. ___________ 2. ___________ 3. ___________   B) Type of clipper circuit per non-linear devices used. 1. ___________ 2. ___________   C) Other term for clipper circuit. 1. ___________ 2. ___________ 3. ___________

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

14: In a natural circulation solar water heater, collector has a glass cover on the top and an ________________ material at the bottom. a. Insulating b. Sheets c. Steel d. Tubes 15: text ____________ wind mill consists of narrow rims and wire spokes. a. Single bladed b. Vertical Axis c. Double bladed d. Multibladed

13. If an equipment bonding jumper is run external to a raceway, it must be less than _______ feet.A. 6B. 2C. 4D. 5

On site plans, all evevations are referenced from_. A. The centerline of a street B. Ground level C. A bench mark D. A test boring

Find the value of unknown. 2:5 —___:15

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

Question 9 An FET is a current voltage O voltage and current __-controlled device.

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

QUESTION 9 When a ground wire is connected to an interior gas piping system and the underground portion of the gas pipe into the building is plastic, which of the following is (or are) true? a   A.This would be approved by code as the gas pipe is only being bonded to the electrical system. b   B.This installation would be approved by code, as the gas pipe is not a grounding electrode. c   C.Both A and B d   D.Neither A nor B

Trouble shooting is the systematic _____________________________ of the various ______________ of a system or process to _________________ a __________________________________ part.

Suppose the current in this circuit is I = -35 A. The voltage drop across each circuit element is as given in the table below. From this information, determine, for each of these circuit elements, (i) whether an active or passive sign convention is being used for that element, (ii) whether that element is absorbing or producing a net (positive) amount of electrical power. In each answer box within the table below, type the correct choice from among the bold-faced words above. - A A B C A + с B + V₂ Circuit element Voltage drop Sign convention? Absorbing or producing net electrical power? -5 V -6 V 1 V -

In the generation of electricity, generating too little electricity will cause __________ and generating too much electricity will cause__________________ a. Blackout and brownout b. Brownout and blackout c. Lights on and lights out d. Lights out and lights on

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.…

A hotel with a length of 12m, a width of 9m and a ceiling height of 4m will be illuminated in the conference hall. Luminaire providing semi-indirect lighting will be used. The ceiling and walls are white. Lighting will be provided with 36W fluorescent fixture ( GE brand daylight fluorescent bulb). Determine the number of fixtures to be used and draw the shape of the ceiling layout?

20. If a steel ground rod is used as a grounding electrode, the rod must have a minimum diameter of_______ inch.A. 5/8B. 1/2C. 1/4D. 3/8