7. Two single-phase transformers, connected in open delta will supply power to a 200 hp, three-phase induction motor, operating at 0.70 power factor and 0.90 efficiency. Solve for the minimum size in kVA of each transformer needed to supply the power without being overloaded.

Q: :A limit switch is usually actuated by

A: Limit switches is the mechanically operated switch. It work on the principle of the electromagnetic…

Q: Using Table 2- 1, calculate the total minimum volume requirements for the box. The box contains (2)…

A: The box contains following : No of switches=2 No of 14/3 romex w/grd=2 No of 14/2 romex w/grd=2 no…

Q: Toggle Switch (SPDT) Switch Type Symbol Voltage Current No. of pins Contact& Insulation Resistance…

A: The SPDT is as follows: A Single Pole Double Throw (SPDT) switch is a switch that just has solitary…

Q: CEC Table 23 allows a maximum of ten wires in a certain box. However , the box will have two wire…

A: According to CEC Table 23, the maximum number of wires allowed in a box with two wire connectors and…

Q: Explain the difference between "new work" and "old work" electrical boxes

A: The new work box is an electrical box for electrical outlets, and other devices that are configured…

Q: Find this speccification of Push Button Switch (push to break)

A: the connection between the two terminals cutoff when the push button is pressed in the push to break…

Q: 17. Draw below how to wire a 3-way switch:

A: 3-way switch - Three-way switches are typically used to operate a single light fixture from two…

Q: 14. Which of the following groups describes the three functions that an electrical device may…

A: Answer 14. Provide a breakpoint in a circuit, protect a circuit, and provide a control are the…

Q: When installing grounding electrode conductor at services, it's common to use a single large common…

A: Here we discuss about grounding/earthing related concept.

Q: Identify the symbol shown.

A: given switch

Q: List the different Wire Gauge and its uses. Note: Typical wires at home.

A: The wire gauge is used to measure the diameter of the wire. The measure of electric flow the wire…

Q: What is the purpose of the NEC®?

A: NEC stands for National Electrical Code. It was developed in 1897.

Q: Question No.11. Which of the following best describe the arrow A shown in welding diagram below…

A: In the shown in the figure Best describe the arrow in welding diagram?

Q: he electric field produced by static charge varies with the time. TRUE  False

A: According to question: If a charge is static this means the charge is fixed to a point somewhere in…

Q: What is the minimum sized Rigid Metal Conduit we should use for the above wire run if it is 24…

A: To determine the minimum size of Rigid Metal Conduit (RMC) required for the given wire run, we need…

Q: Count Mounting method 15. From the information you have studied about the various electrical…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: A cable has a VSWR of 10. If the minimum voltage along the cable is 20 volts, what is the maximum…

A:

Q: What happen if you followed the basic electrical rules?

A: If we followed the basic electrical rules following circumstances would not happen: - Contact with…

Q: What is the minimum sized IMC conduit we should use for the above wire run if it is 24 inches long?…

A: OPTION C IS CORRECT   The minimum size of Intermediate Metal Conduit (IMC) required for a given wire…

Q: C: What are the two purposes of using the circuit breakers?

A: We need to write the two purposes of using circuit breakers.

Q: Is there any iron lost in the short circuit test? If there is, why is it omitted

A: Yes, in short circuit test, iron losses or core losses are not absent (or zero) but they are…

Q: Compare the resistance limit of the switch (based on specification) and the computed total…

A: According to the question, we need to compare the resistance limit of the switch (based on…

Q: 1. The basic requirement of a d.c. armature wind- ing is that it must be (a) a closed one (b) a lap…

A: This is a problem of dc machines. The explanation is given in the next step

Q: Support the finding that workers face many electrical hazards on the job

A: Electrical Hazards on the job 1.Contact with live wire results in electric shock or burn 2.Exposed…

Q: QUESTION 14 The diagram shows an electromagnet electric pell. Describe how the bell on the right…

A: When the switch is closed, the electromagnet magnetizes and attracts the soft iron armature of the…

Q: Which of the following system works with reference to accuracy? O a. Closed loop System O b. Open…

A:

Q: What is the minimum sized IMC conduit we should use for the above wire run if it is over 24 inches…

A: 1/2".     To determine the minimum size of Intermediate Metal Conduit (IMC) required for a wire run,…

Q: 16   Another unit of measurement for electric field is in terms of _____.     Select one: a.…

A: Given  Electric field units

Q: Draw a map to connect an electrical circuit to a small room containing three lamps and an electrical…

A: to draw a map to connect an electrical circuit to a small room containing three lamps and an…

Q: Problem 1 is a review of your understanding of KVL (Kirchhoff's voltage law) Using KVL find the…

A: A simple question based on network analysis and the topics described in the solution are kirchoff's…

Q: diagram R-2R ladder type DAC? ‏

A: R-2R ladder type DAC - In R-2R Digital to Analogue converter is a resistive ladder network provides…

Q: The strain gauge can be classified into three types which are not  based on…

A: Strain gauge which used to convert force pressure into Electrical signal .

Q: what wire size is needed for a one 20-amp, 240-volt water pump

A:

Q: What is the minimum sized Rigid Metal Conduit we should use for the above wire run if it is over 24…

A: To determine the minimum size of Rigid Metal Conduit (RMC) required for the given wire run, we need…

Q: ct Fluke T5 and DMM Questions These questions apply to the T5 and/or the Fluke DMM. You will likely…

A:

Q: what electrical symbol is this ??

A: The given symbol is Now, Consider the various symbols for inductors: 1) Air-core Inductor 2)…

Q: THE TYPE OF WIRES AND WIRE GAUGES?

A: A wire is a single flexible strand of a metal, made up of materials which are good conductors of…

Q: In general, the letter-type designation R formerly referred to a -based covering and now indicates…

A:

Q: what are two additional terms used to identify voltage?

A: For example, in a battery to represent the fundamental characteristic of it, the term voltage is…

Q: how do we calculate the clearance distance in high voltage ? is clearance and arcing distance the…

A: Clearance distance:

Methods of Wiring

Electrical wiring is the way of integrating cables and wires to interconnected equipment such as fuses, switches, sockets, lights, fans, and so on to the main distribution board, which is a specific structure attached to the utility pole that ensures a constant power supply.