Answer Posted / mohit

two

EXPLIAN THE IMPORTANCE OF POLY PHASE CIRCUIT.

2098

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Draw a SLD for main panel for school having connected load of 1200kw and emergency generator 200kw.also show the increase of additional load of chiller 225kw in the lv panel indicating meter postion size of transformer ,cables and capacitor bank.

929

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diff b/w normal grounding and resistance grounding

1869

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which pump used in WTP explain the function of VFD how to dtermine capacitorbank of capacity one plant

1871

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I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com

1759

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need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.

1776

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what is the difference between the characteristics of two different phase bushing of any transformer

1765

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Explain what is electric traction? Explain few advantages of electric traction system?

1091

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A 1F capacitor is charged to 100V initially. A 1H inductor is connected accros the capacitor througha a switch. The current in the circiut when the switch is closed is____

2276

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what is formula for calculate thermal overload in new numiricalrelay( not in bimetal relay)?

2258

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brief notes on ammeters

1975

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What is called grain-oriented laminations?

1076

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When color of silica gel will gets change from blue to pink from Top to bottom?

1547

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What is the most important precaution in any experiment with d.c. Shunt motor?

1204

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what is the formula for hv test for cable and circuit breaker..????

1975

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