Answer Posted / manojk

i need rrb (je elecrical)question for last 5 year and i 
need (je electrical) syllabus. please send my e- mail 
manovenkadesh@gmail.com 

what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.

1460

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Why two phase welding machine is used instead of three phase welding machine.

1927

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1868

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In HI POT test what is reason for applying the AC VOLTS and DC VOLTS in different applications what is the nessesity for this ?

1936

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what will happen if earth of 33 kv cable (earthed system) is not connected to earthing pit?

2033

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What is the difference between Droop vs Isoch Control?

2437

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How to calculate that clean water supply in one Day from 150 KLD STP?

2011

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Is it possible to obtain 480v or 550v in single phase output by giving the input to 230v to a single phase torodial type transformer without using a stepup transformer?

2000

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how to test the electrical panel.ht lt mcc pcc.

3780

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My load is 1635 KW. & current pf is 0.884, I have to improve it for 0.99.Please suggest what KVAR value is needed?

1593

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An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor reactance at stand still is A 2 ohm B 1.25 ohm C 3.15 ohm D 2.25 ohm

2285

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In radial network the source is fed from 1 end both ends at central

2129

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Explain how you intend to work under pressure to meet up with deadline target?

2393

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how much winding resistance of 0.75kw to 12.5kw 3ph sqwiralcage induction motor?

3000

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What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?

3693

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