Answer Posted / jon

1 KVAR = 600 MFD

where is the need for short circuit test for 3 see is required and why? can you explain in brief with application

1960

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clarify types of motor operated valves and advantages

1903

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What is the dependency of stiffness on load angle??

1319

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Apparent power is expressed as V * I(Conjugate). Why not in V * I ?

3916

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how to decide the panel size like MDB ,SMDB PANEL SIZES

7385

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What is the rating of circuit breaker needed for 300 KVA load in 33 KV supply line in a transformer of 33 KV / 415 Volt ?

1779

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transformer spections :: input voltage 0-110-230v; output volage 0-10-12-14v; amp=3A using CRNO CORE, capcaity=50VA primary turns = ? ; secondry turns =?

2099

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How the circuit breaker is selected for Induction motor of 100 kW, 415 volt, 0.85 power factor, 0.95 efficiency ?

1612

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what is model question rrb junior engineer electrical gr.II

1956

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explain the what is a drive ? 0 4 which type motor r use in the celling fan..... PCB plannet 2 13 If stator & rotor of a 3-phase induction motor have different no. of poles, will the motor run or not?? types of drives Why dc supply is used for closing and tripping coil of ht breakers. What happen if we use only ups ac supply only. ACC 1 41 how the 3phase induction motor is running in 2phase supply with help of capacitor? 1 33 what is the actual difference betwen constructional details and constructional features? 1 20 how does commutator convert a.c to d.c?

4552

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what is the chiller and working principal

2337

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Define active filter?

1030

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i have applied for the post of RRB section engineering chennai board please send me previou papers and solved answer. my mail id jagarapusrinivas@gmail.com

1978

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What is the lower limit of break-down voltage of converter transformer.

1916

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What is evaporator & condencer & compressor

2170

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