The advantages of Magnetic flux leakage technique over Ultrasonic technique for non distructive testing of material.
Meaning of ingrace protection for motor.for ex IPXY
DRAW ACIRCUIT DIAGRAM OF 100 KVA 415V/55-0-55V DELTA TO STAR TRANSFORMER
can we start a 6.6kv ht motor with 415 lt supply1 3280
A IS TWICE AS GOOD A WORKMAN AS B AND TOGETHER THEY FINISH A PIECE OF WORK IN 14 DAYS.THE NUMBER OF DAYS TAKEN BY A ALONE TO FINISH THE WORK IS 1.11 2.21 3.28 4.423 12448
Transformer Specification say 66/11KV, 23/27/35MVA OFDAN,what is OFDAN? we know ONAN,ONAF or OFAF2 4837
what is different between grounding and earthings?4 4378
which metal use as a electrical shunt?2 2350
Why earthing is necessary for any equipment?
Define average demand?
where is the need for short circuit test for 3 see is required and why? can you explain in brief with application
how can calculate resistance box for 15 kw, 6 pole, RV-230, RA-42 motor
what will happen if frequency is below 50 hz?
what is consequences of neutral and earth connect?
Why use in ht motore
WHAT IS SUBSTATION & ACCORDING TO VOLTAGE HT,EHT SUBSTATION EXPLAIN IT
in shunt clippers why a resistor is used in sereis with the input
Installation method of self treated earth electrode.
What is the Designing & Selection Procedure for a DG/Transormer of rated capacity?
what is the reqirred voltage in HT motor to get full RPM on no load test?
How Self works in DG set
What is K-rated transformer? What is the use of it? What can be the size(pls provide calculation if possible) of K- factor transformer for 550kW,690V motor operating with drive (VFD)?
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?