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oscaril oil
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at what basis/standard we have to arrive the current density of aluminium/ copper in busbar?
What is the two pole structure?
what is the function of impulse relay
Why field rheostat is kept in minimum position?
What is servo motor and what are different types of servo motor
what parameters should we check to reduce the power bill
What is ST and specify its range of voltage.
Why is it prefer to initiate circuit breaker failure by "86" lockout relay not by "94" tripping relay ?!
How to select batteries required for ups and the inverter if we Known load? And how AH is selected of battery?
how to calculate the magnetizing current of ct ( 800A/1A) for Relay 64
What are the uses of stepper motor?
following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?
what is a power factor?
What is main cause of cable's terminal point burned in Lug on high temperature although lug and cable selection is ok as per stantard and also tightness is ok as per situation. so please take in deep and tell correct answer thanku.
What is the approximate value of stacking factor?
