In Ferranti effect,Receiving end voltage is greater than sending voltage,why? can anybody tell me the answer15 34943
hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible521
why DC current not used in Transformer action?17 12547
what is buchholz relay?what is it used for?8 21916
A 25MVA 3300/400V T/F is termed as per winding is …… a) primary 3300V & Secondary 400V b) primary 3300V & low voltage winding 400V c) High voltage winding 3300V & Secondary 400V d) High voltage winding 3300V & low voltage winding 400V4 2683
Buchholz relay is used ………. a) protection T/F b) oil T/F c) Air core T/F8 9169
Resistor switching is used in which type Circuit Breaker ? a) oil filled CB b) Air blast CB c) Gas filled CB11 18259
In EHV tranm. The conductors are …….. a) Cu roads b) Cu bars with Si c) Cu tube with Si plate2 2893
the max. power will be transferred if …… a) sending end vol. is high b) receiving end v is high c)…….. d) corona loss is least2 2677
Moving Iron instruments are applicable with a) DC only b) AC only c) DC & AC14 8634
. The string effcy in AC sys is 80% Then for same power, the string effcy in dc sys is a) less than 80% b) 80% c) more than 80% d) zero1 895
The temperature rise in the sys, which leads to ….. a) Increases stress& length b) increases stress but decreases length c) Decreases stress & increase length d) decrease stress & length1 1647
According to underground cables a) stress b/w sheath & conductor is high b) inrush of core & conductor749
can i connect REF and Differencial relay in 1 CT core for transformer protection?
What are the standard libraries used by WMLScripts?
Write the program that calculates and prints the average of several integers. Assume that the last value read is sentinel 9999.
what is control supply rating of a machine
how can i prepare for the interview for sap mm?
If I bough materials from a manufacturer and want to sold it to another customer , Can i clearand ship the docuemtns under my company name if the invoice showing my company as bill to adress and my customer as shipped to
I am using an Oracle 8i Database my data contains Clob data. I am using toad version 7.6 i am able to get the data in toad but unable to extract the data in excel.when trying to extract the data into the excel the toad error says out of memory. Can any body please help me to extract the data through the same toad version. Thanks in advance
what is the limit of total coli forms for cuttle fish?
Does the ATCC do MAP (mouse antibody production) testing?
How to Call an IB stored procedure using TStoredProc?
Can you name a few potential risks of Genetic Engineering?
Why do power lines not short out when they fall into water?
Is it possible to list only a portion of Equity Shares leaving the balance as unlisted?
What are the features of APP programing
while doing high voltage test on 11kv/433 distribution transformer why we only give 28 kv on hv side and 3kv on lv side for power transformers what is the value what factors it depends