Answer Posted / liakhat mohammad

oil filled

Hello Guys !! i want to rrb section engineer electrical(signal) previous model papers? any body help me?

1887

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The power factor of the fixed load is 0.8, now the p.f is varying from 0.8 to 0.5.

1967

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what precautions to be taken while desigining a LT,HT panel. Eg-LT panel PCC panel with ACB installed. HT panel VCB panel with VCB installed. & what is main diffrence betwn IP54 & IP55 construction of panel.

3030

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What is the formula to calculate the rating of a three phase air circuit breaker

2315

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What are the different methodes for calculating the short circuit Current?

2038

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What is the power requirement of tamil nadu for one month?

2010

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Rules and standards of electrical control wiring ?

1129

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. What is Electrical Life & Mechanical Life of Circuit Breaker? 2. What is Electrial Life & Mechanical Life of Magnetic Contactor? 3. What is RCD, RCCB & RCBO? 4. What is the Between defferance of RCD, RCCB & RCBO?

3327

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sir i applied for hpcl(electrical).i want to know from which subjects most of the technical que will b asked.and pattern of the written test.pls help me

1923

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1.what is difference between ATS & STS main use. 2.what is difference between ACB& VCB With symobles,and main partes, manimum range. 3.How many types of relays and main function.

6288

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How can we calculate the KVA rating of a Distribution transformer from its core details?

2044

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What is the typical enclosure type used for Indoor switchgear / Outdoor switchgear Units? - In Onshore / offshore Units?

986

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dear sir, i completed diploma in electrical in 2005, how i can get electrical supervisor liance in mumbai

1956

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if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?

2537

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What should be setting for alarm,tripping and cooling fan on for power transformer's oil temp. and winding temp. indicator?

1931

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