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If the feeder rating is 7.5 kw or 10 HP star-delta feeder, MCCB is taken as 63 a, contactors-32 a, how much will be the OLR rating or which range OLR should be considered when we concern about type-2 coordination?
2358Post New Electrical Engineering Questions
wat is the current produced in a 5000v megger? when the positive and negetive terminals are touched on our body get s shock?
what is the reqirred voltage in HT motor to get full RPM on no load test?
what is the basic construction diffrance between servo motor ans sqiralcage induction motor
Which device is used for the source of emission of electrons in a crt?
How does an oscillator differ from an amplifier?
what is the series parallel connection of capacitors? and how can we use these application in three phase motors for controlling torque?
What Normal(Tangent) towers and Tension(Cut-point) Towers?
An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor reactance at stand still is A 2 ohm B 1.25 ohm C 3.15 ohm D 2.25 ohm
In Power cable specification what is U0/U and Um.
How to choose size of the cable w.r.to current carrying capacity ...
What is rotating magnetic field?Discuss elaborately.
Where can I get Iidian straderd specifications for electrical items or works in web? please help me.
- two pumps must work with them at the same time but if the first pump start the second pump must delayed for some time to start also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it
How you give clearance to a spare feeder.
hi friends this is a newcomer in your community of enthusiastic peoples. i am preparing for SSC (CPWD JUNIOE ENGG EXAM FOR ELECTRICAL) pls guide me on the same how to crack it? PLS LET ME KNOW IS ANYONE THERE WHO PASED IT? CAN I GET THE QUESTION PAPERS OF PREVIOUS EXAMINATIONS?
