Answer Posted / s.sarkar

No,for two AC minimum 30A meter required.

What are the advantages of skewing of cage rotor conductors?

1152

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what are the standard IR values should be of R-E, Y-E, B-E, R-Y, Y-B, B-R of VCB in closed condition and in open condition for 500KVA & 1000KVA transformers. and what is the acceptable range when tested by 5000V megger.

2270

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How to select a cable size for particular load?

1779

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please send me RRB electrical engineer previous year questions for Sr. Section Engineer

1883

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Who are the manufactures those manufacturing 3Cx2.5sqmm FRLS cables. I heard about FRLS technology adopted only in wires useful for wirings

2023

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Following test should be conducted to find out relative polarity of transformenr terminals A no load test B back to back test C phasing out test D none of above

2162

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What is a feedback in control system?

1157

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What is effect of over voltage and under voltage on ACB

1879

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what are the applications of PLC?

1917

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The D.C. spark test is applicable to single conductor cable & assemblies of insulated single conductor cables without insulation shield,metallic sheath or metalic armor?

1798

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Draw a circuit diagram in which if button is open we can use socket and bulb as a series test circit and if button is close than simple we can use socket as any load purpose.

1817

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although ckt breakers have taken the place of old fuse. But instead of it , these older ones are still used in the industries and homes ? why .... what are their advantages and disadvantages ? which one is leading and winning the race and competition ?

1934

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Why we use duplex coil and hook switch in telephone system?

4978

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When distance between two pulleys is not fixed, the tension of belt is adjusted by a) driver shaft b) driven shaft c) adjustment screw d) belt

2973

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What range of speed can you get with the armature control method of speed control of d.c. Shunt motor?

1074

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