In Ferranti effect,Receiving end voltage is greater than sending voltage,why? can anybody tell me the answer15 35313
hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible544
why DC current not used in Transformer action?17 12688
what is buchholz relay?what is it used for?8 22177
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 2739
Buchholz relay is used ………. a) protection T/F b) oil T/F c) Air core T/F8 9308
Resistor switching is used in which type Circuit Breaker ? a) oil filled CB b) Air blast CB c) Gas filled CB11 18719
In EHV tranm. The conductors are …….. a) Cu roads b) Cu bars with Si c) Cu tube with Si plate2 2939
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 2735
Moving Iron instruments are applicable with a) DC only b) AC only c) DC & AC14 8763
. 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 950
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 1715
According to underground cables a) stress b/w sheath & conductor is high b) inrush of core & conductor773
How do you ensure that you are consistently meeting the requirements during various stages in the life cycle of the software product?
NARRATE A STORMY NIGHT?
plz can some one tel me "The concept of stock holder's equity and paid in capital".
Is there any method for calibration of HPLC ( linier gradient calibration)
How to calibrate Field bus transmitter? procedure ?
you have finished Bsc ( Computer Science ) , then why you choose your career in marketing and sales ???????
how the arrangement of equipments done in control room
How to calculate sales tax ?
what is meant by csr in foundation? what is sbc?what is meant by contour line?
Why we make earth connection with Transformer Body and What will be the minimum size of copper wire as per code with respect to KVA rating of Transformer?
How earthing of switchgear system to be done.
draw IRON-CARBON diagram.
why screw pump are used insteed of centrifugal pump?
WHAT IS THE BANK RECONSILATION, WHAT THE FORMAT OF IT
please send previous years question papers of JuniorEngineer (ELectronics)in RRB.