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when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com
2413Why is it preferred to use a wattmeter(s) to measure power in three phase systems rather than using a combination of other instruments e.g. voltmeters, ammeters etc?
2 6458in power station what is the electrical circuit length of spacing between power transformer and lightning arrestors,for the voltage system of 230kv,110kv,33kv,22kv,11kv?
1 4045can you use 400 volt 3 phase and neutral and earth equipment on 440 3 phase and earth supply safely and if so how?
2 8240iam working as a electrical engineer. i want to know about any license or certificates regarding my field. for my carrier and ti improve the knoweledge.,,, how we get that..and what procedures......... pls help me
1 4262how to testing the AC 3 phase motor? and what is the test procedure & kits required for testing?
3 8371what is the working principle of contactor and conditions of normal open and normal close on it?
EEE,
3 30028if any house we instaled a 1.5 ton ac and its phase cable of wiring is installed but netrual cable of wiring not instaed. my question is that is neutual of house(for other wiring is capable for ac load or a sepeart neutrual wiring required
25441 no. 22 kV feeder is taken from state electricity board. 350 MVA is the S.C. MVA. now i am feeding this feeder to HT Panel having 2 outgoings which further supply to 2 Transformers. Can you please suggest me the type & rating of cables are 3 of these cables same? or they are different? please help...............
TCE,
2 6745Post New Electrical Engineering Questions
Use of switch mode power converter in real-time basis?
What is meant by RVT and NDR ? expansion and details of it
A well system is when , no. of bus bar is less or more. Tell me the concept of it.
What is the capacity of the Fastners 12mm?
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can u describe the method used for protection of transmission line.
What types of question are done for diploma students in aptitude test
what will happen if multimeter(selector switch at DC voltage) and terminal at current is connected to DC supply?
A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N
orifice sizing how done, checking & selection
Electronic circuit
briefly explain principle of resistance welding
What are the essential characteristics of signal flow graphs?
What are the components of feedback control system?
Explain Creepage Distance of Insulator
