bsnl tta exam question

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FLP zone Types and Details

1 Answers  

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1500Ah VRLA battery,if its weight is designed 125kg during maufacturing its weight is reduced to 85kgs,What will be impact on AH capacity,life & economy?

0 Answers   Bajaj,

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please I wont know how to calculate the vector group for power transformer ZNyn11 best regard.

0 Answers   Al Rasikh,

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Hi.I want to ask how to calculate contactor rating current? for example I have 460 V , 100 A (induction motor) calculate contactor rating current?

2 Answers  

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Post possible questions for Power Factor Panel FAT / SAT

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What is power factor why we should maintain the power factor unless what will happen

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What are the fire Estingushers use in electrical fire?

3 Answers  

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Difference between earthing & grounding.?

0 Answers   Nitco,

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How to calculate VCB rating for 33KV ,25 MW Power line?

0 Answers  

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Up to how much limit of HP of electric motor the Star- Delta Starter can be used ?

1 Answers  

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If DC supply is given to a transformer it may a) Work b)Not Work c)Give lower voltage than the rated voltage on secondary side. d)burn the winding

12 Answers   wbsedcl,

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