i am going to attaned the engineer (disign)iterview at HAL please give me duid line

0 Answers   HAL,

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for measuring current and etc.,why we use value of 1.732 in three phase calculation. not in single phase.why

3 Answers   Bhel,

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Before i went to bed my master bathroom lights were working fine. At 2 am, when I went to use the lights, none of them were working. The outlets throughout the bathroom work, but the lights and fan above the toilet don't. I have two panels of switches. The one panel has four switches. One of the switches turns on the hall light, and that works. The other three are to other lights, and they don't. The other panel has three switches. One of those is to the fan, and the other is to a light above the toilet. The other is a to light that is also on that other panel. I tried the breakers, and the one that turns off the outlets, marked for the bathrooom, turns on and off the outlets. None seemed to be tripped. I checked the lightbulbs, and they are fine. Please help

2 Answers  

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please give me all the Alarm .Trip ,Safety Relays & Conditions of Chiller mail me on ashokbabunhce@gmail.com

0 Answers  

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What happens when the power factor is leading and its disadvantages.

1 Answers  

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in 132 kv substation ligtning arrestor(120 kv) connected to line. but line voltage comes to 132 kv, it operate or not???

4 Answers   Divis Laboratories,

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what is the difference between MCCB and SFU in terms of their application?

2 Answers   Secure Meters, Tata Teleservices,

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WORKING PRINCIPLE OF VACCUM CKT BREAKER ?

2 Answers  

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What is corona ? Mention its positve effects .

1 Answers  

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Resistor switching is used in which type Circuit Breaker ? a) oil filled CB b) Air blast CB c) Gas filled CB

11 Answers   Engineers India Limited, wbsedcl,

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Why a motor blower cobination draw more current at winter than summer?

1 Answers  

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What is the difference between earthed & unearthed system?

2 Answers   HCL,

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