Answer Posted / uday
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sir i applied for hpcl(electrical).i want to know from which subjects most of the technical que will b asked.and pattern of the written test.pls help me
how to get electrical supervisor competency certificate in gujarat. i did 3 year diploma in electrical
1. The DC generaror,s induced output emf is connected with a DC motor(as load). when increasing the load of the motor by using brake drum or any way. what are the parameters will changes in both motor and generator(voltage, current, resistance, frequency, speed, torque, power, flux etc...) 2. Similarly for AC generator and AC motor 3. similarly if using DC batteries instead of DC generator, What happens?
what you have to see after one week or month from the day of installation of transformer ?
1.Z transform always lies around ? a) origin b) pole c) zero d) z=1. Multiples Mcqs which is bother me can’t find answers on internet. Some help required with little explanation . Note: this is not homework or related to any test. Thanks
What is the Temperature to be set in Thermostat provided in Marshalling box of the Transformer / Motor.
what is the transformer rush current?
A 10 MVA, 66KV, 50Hz, Y-connected 3-phase alternator has synchronous reactance of 0.635 Ù. It is working at full load at 0.8 lagging p.f. condition. Find torque angle, neglect armature resistance.
What is the difference between rated and per unit in transformer?
What is the differance between 2 dc motors of armature voltage 660 v and 440 v?
WHAT KIND OF LIGHTENING PROTECTION SCHEMS CAN BE ADOPTED FOR THE FLAT ROOF OF BIG DIMENSION.
what are the differences between 'exhaust fan', 'heavy-duty exhaust fan' & 'super heavy duty exhaust fan'. what are their power ratings ?
I WANT BHEL PREVIOUS QUESTION
how can i use REF and diffrencial relay both in 1 CT core for transformer protection?
For electrical designers what are the standard should know? i want learn about this standards. how to get information/reference. anybody help in this regards please.
