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if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer
1 1979what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator
1 2128there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit
1 2016how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc
2 7947What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning
1 1994What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?
1 1977if i have 5kw,9A,three phase induction motor,if i want to install it 100 meter away from its feeder,how i will culculate cable size for this load.
2 5581in a refinery one motor is suddenly stoped. what will do how can i findout the problem explain step by step
2 4700the cheapest inducting instrument among all is a)pmmc b)moving iron c)electrodynamometer d)rectifier
2 6101why do we use bundle conductors instead of using single conductor of larger size for high voltage transmission?
7 22140in a refinery one motor is suddenly stoped. what will do how can i findout the problem explain step by step
2 4734what is the value will come when megger the phase to phase ,phase to neutral ,phasae to ground ?
3 20850Post New Electrical Engineering Questions
sir am giving jspl exam on 19th oct . i belong to eee, so plz send previous question papers ..........to dis id abhilash203@gmail.com
I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com
PLS SEND THE RRB CHENNAI MODEL QUESTION PAPER my email id is ganesan98655@rediffmail.com
hi this is hema can anyone mail me previous years questions for the APPSC-A.E.E (in electrical stream.) ......thank u.
A 15 kw squirrel cage motor having a maximum efficiency of 90% on a continuous full load has temperature rise of 42 degrees celcius after 30 min and 52 degrees celcius after 1 hr under the above operation conditions. a) calculate its final steady state temperature rise on continuous load and the heating time constatnt. b) if the motor is operated on a short load for 9 min estimate its temperature rise. c) calculate the maximum overload that can be applied on a short, 9 min rating so that the temperature rise is the same as the final steady state temperature rise on continuous load.
can you plz send l&t aptitude questions if available its urgent plz plz plz
Please nybody say, weather the result of Bharat Oman is declared or not? Probable date of declare???????
What is the magnetic field (coil DC ) of Turbo Expander?
hi this is hema, r there any books in particular for the preparation of the APPSC-A.E.E(electrical), if so please mail me the names ... thank u .
What are the different methodes for calculating the short circuit Current?
Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault
i am in need of AC SYNCHRONUS MOTOR 30KW. ANY ONE KNOWS THE MANUFACTURER OF SAME. ALSO MOSFET AC CONVERTER 20KVA CONT.OUTPUT.
Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.
hi friend i am going too attend for hpcl in this month please help me by sending written test question papers i am in the stream of E.E.E
I am shobana from Chennai. I am having my personal interview on 19th Dec at Chennai.kindly mail me the questions to mail id shobana.shanthi@gmail.com
