Answer Posted / vinod kumar

ELCB earth leakage circuit breaker
RCCB residual current circuit breaker which operates
when there is a difference in current between any two
phases.This differential current is called resdual current.

what is is the potential diffrence between two phase ?

6260

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what is consequences of neutral and earth connect?

2060

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WHAT IS SPEC OF CLEANROOM MOTOR AND LIGHT FITTINGS?

2257

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How many devices can be connected in one zone of FACP

2271

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What are the three major categories of error?

1164

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mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....

1905

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Percentage losses in power generation?

2939

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explanation of mesh bus bars

2124

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I NEED RRB SYLABUS FOR JE ELECTRICAL ,PLEASE SEND TO MY E- MAIL ID joo28_eee@yahoo.co.in

2821

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Please clarify, 1. Is it required to lay two runs of GI wire along with Armoured LT cable if it is laid between one big mains (63Amps TPN SDF) to small main (32A TPN SDF) with proper glanding termination? 2. If the armoured cable with proper glanding is laid from DB to CNC machine, is it required to run two runs of body earthing to the Machine from DB? 3.If the armoured cable with proper glanding is laid from Substation to Hangar, distance is approx. 100 mtrs, is it required to do earthing at shop area though the primary termination at substation is earthed through gland.

1990

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What is a advantage of Self Reset Lockout ? On Fault breaker get trip & fault no longer exist then self reset lockout how inform us?

1817

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what are the advantages and disadvantages of oil filled cables over XLPE cables

19324

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Explain what cmos is and its benefits?

1059

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Could you measure voltage in series?

1191

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Explain with example of functional requirements of protection relay in terms reliability, selectivity, sensitivity

1842

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