WHY IS THE POWER FACTOR NOT MORE THAN UNITY.6 16897
HAT IS THE EFFECT OF LOW POWER FACTOR ON THE GENERATING STATION?HOW WILL YOU IMPROVE THE LOW POWER FACTOR?1 4800
EXPLAIN THE FOLLWING: (1) BANDWIDTH (2) SELECTIVITY (3) RESONANT FREQUENCY (4) CURRENT MAGNIFICATION1 1543
AIR GAP IS TERMED AS USEFUL. WHY?5 3699
DOES A MAGNETIC CIRCUIT CONSUMES ENERGY? IF YES, WHY?6 6025
IN A MAGNETIC MATERIAL HYSTERYSIS LOSS CAN'T BE REDUCED TO ZERO. HY?3 2498
EXPLAIN THE APPLICATION OF RECIPROCITY THEOREM1 10375
Whats difference between a single phase & a three phase motor?4 12340
ROC converges if poles and zeros lie inside a. Origion b. Z=1
what is sevice settings for mccb?How can be it setted?
EXPLAIN THE TERMS "INTEREST AND DEPRECIATION" AS APPLIED TO ECONOMICS OF POWER GENERATION.
what is meant by brushed alternator & its working principle ?
Why neutral is not used in three phases dol starter
what happen if field of dc shunt motor opens? what is function of putting res. in parallel to one phase of 3 phase IM? the power supplied by 5A source in circuit is given by------Watt.
which phase is preferred for connecting 1 phase vt used for synchronizing OHL? WHY?
how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.
Different STANDARDS (BS, IS, IEC etc) gives different informations on CT specification. How they correspons w r t each other (i.e I mean to say BS provides "knee point voltage" but IS does not, then how can i select CT)
what is the use of piston rings in the engine used for a generator...........
describe the constructional features of an auto transformer and its principle operation
where solid grounding and where grounding through ngr done and why?
What is the main purpose of c.f.b.c.boiler
how to decide the capacity of accl
why we take movement of rotor always in counter-clockwise direction in 3-phase induction motors?