if we convert kw into kva,which one formula use by us,pls
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where lt & ht capacitor used
how invertor convert the dc into ac give brif detail
all interview questions with answers of ntpc (2000-2009
(1)Can earth and be conected together (2) what is the diferent between earth & neutral
WHAT IS DOL STARTER? HOW IT WORK? GIVE ITS CONTROL AND POWER DIAGRAM .
IF alternator SCR value will be high means what happen in alternator efficency at operating power factor of 0.8
what is interpose? where it is used and why it is used?
The D.C. spark test is applicable to single conductor cable & assemblies of insulated single conductor cables without insulation shield,metallic sheath or metalic armor?
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 ic 01,ic 06 ?is it types of cooling?
what is the function of Moulded case circuit breaker, why it is called Moulded?
What facility we get after CT secondary earthing and how?
What is speed mode?
what are problems caused by the pdu in rack server
What happens to a motor if it is connected in Delta connection