Answer / jai prakash narain singh

MCCB-moulded case circuit breaker.mccb has protection for
over current,which can be set by turning the current
setting knob and you can also set the delay time.in case
over current occur for more than set time,it will trip the
mccb ,to protect the ckt

Can any body tell me what is use of END OF LINE RESISTOR in fire alaram circuit?

2 Answers  

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Its possible to use 3core 2R of 240 sq.mm cable for 3phases & separely 50sq.mm 3core cable fully for Neutral for connection of PCC to MCC 3ph..4wire system?

1 Answers  

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What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning

1 Answers  

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how make to Incident and accident report

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Please clarify 1. Icw: rated short circuit working withstand capacity 2. Icu: Rated ultimate breaking capacity 3. Ics: Rated service short circut withstand capacity 4. other specification of ACB

1 Answers  

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what is the purpose of supervision relay coil

1 Answers  

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to vary valtage from 0 - max a variac is necessary . so how to design for high power applications nearly about 200KW power

1 Answers  

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Why ideally the internal resistance of voltmeter should be infinite and of an ammeter be zero

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if u have single phase load (un balance) and the main power cable is 3.5core means netural is .5 of phase and can the three phase current make the return paht in .5 neutral.

1 Answers  

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what is d meaning of inrush current of a trafo ? how u can calculate this ?

1 Answers   Jindal,

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how do we calculate contactor and fuse rating for a motor if its full load current is known,i want exact calculation for 1.5 kw motor????

1 Answers   Allied Group, Nucon,

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A three phase load, around 4 km away from the 11/0.433KV distribution transformer (Neutral of Transformer is solidily earthed) and consisting of mainly very costly and sensitive electronic equipments is giving trouble due to high voltage difference between neutral and body earth. Whether this problem can addressed by connecting neutral at the load point solidly to earth?

3 Answers  

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