What is the purpose of REACTOR in GIS substation?1 2869
why does the magnetic balance tests at transformers? how to provide earthing in flight?1 3280
WHAT IS MEANT BY BTU OF AIR CONDITIONERS.2 3477
what is meant by impedence? can you describe easy becuse iam not well familier in electrical?2 2638
what is the name for a meter/tester to measure the paint quality in electrical panel or wall?1 2267
how to select a capacitor, i mean we use 3.5 mico ferad cap for a celling fan,but how to select a cap for 1h.p motor,etc.........1 2496
a distribution transformer(3 phase)supplying 440volt per phase.now suppose one of phase voltage(230volt) becomes zero.what will be the cause ?3 3774
how to select a cap,when a fan is required 2.5 micro ferad cap,then how we know about 1 hp motor?1 2374
EXPLAIN WHAT BTU STANDS FOR(AIRCONS)2 3005
how u calculate ups battery backup2 3935
1amps current equal to howmany electrons to be flowed?1 3084
Why power factor is arising in electrical circuit, is it possible to eliminate from the circuit, why2 2865
Please tell me the formulaes while designing a substation for power Calculations in designing a 33 KV Substation?????
Define rise time.
How to do maintenance of transformer feeder.
what can be the causes of capacitor start motor having a higher current that its actual
What is the difference between rated and per unit in transformer?
State the frequency for rc phase shift oscillator?
can anyone show me how the 3 phase power is supplied to socket outlets?
How many types of probe used in cro?
bsnl tta exam question
Why do we will ground the positive terminal in electrostatic precipitator
how are reversing the direction of rotation of dc motor
in my working site. momentary jerck in electrical supply ocurred frequently which cause of multiple losses in our electrical equipements. how can we protect our electrical machines and equipements in this situation.
Explain different types of d.c motors? Give their applications
What is difference between unity power factor wattmeter and upper power factor wattmeter? In short circuit test of transformer the wattmeter used is unity power factor type or upper power factor type wattmeter?
what is the difference between b c d curves on mcb