Answer Posted / raghavendran

A 1 ton AC consumes 3.5KW of power.so under running
condition we can estimate the current consumed as
3500/(230*.8 say)

The advantages of Magnetic flux leakage technique over Ultrasonic technique for non distructive testing of material.

1985

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what types of cable used in underground coal mining?

1485

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can the measured percentage error during calibration of single phase energy meter be negative?

2413

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Name the component u would expect to find in a switchgear assembly?

2032

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what is the formula of starting current of 3phase and 1 phase motor???

2110

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3Cx240 & 3Cx300 sqmm Al. cable from lv side. What is the calculation for this cable??

1410

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What is turn ratio of a transformer?

1238

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What Should be the value of Vector Surge angle at Tripping and how to calculate it?

2056

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If one tertiary phase i.e. R,Y or B is earthed of a loaded type tertiary delta connected (Without load)of a power auto transformer, what is its advantage/disadvantage?

2085

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What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.

2360

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what is the difference between 2 way and 4 pole selector switch???

2445

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give me a clear defination of inductance,and how can u calculate inductance of a motor

2802

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what is the criterion for selecting vector group of Transformers ? i mean how to decide vector group of Generator transformer, substation trasformer and transformer at consumer end

2358

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what would u consider to be the basic purchase order information you would need to proceed with a cable inspection assignment?

1906

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What is the comparison between 30mA DP RCCB and 100mA DP RCCB and can replace it against 63A MCB

1599

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