Answer Posted / rajesh nayak

Double compression glands used in FLP motors for intrinsic
safety where as single compression glands used in every motors

explain safety measures in alternator?

1776

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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 ?

1606

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what a function diesel generetaor turbo charger & turbo charger is more heated explain reason ?

2251

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What is the simplest formula to calculate the rotor diameter of a synchronous generator?

2442

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how i can calculate the size for fire cable

2009

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What are the three major categories of error?

1215

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explain the process of commutation in a dc machine. Explain what are inter-poles and why they are required in a dc machine.

1167

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In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?

3125

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why sometime we get electrical shock while touching the ballon of dish tv connection ? which we should not get.

1981

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upto how many load can v connect to stabilizer which is used for tv

2232

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What is Electrical Grade Aluminum for Tubular BusBars. i am confused between 6063 and T6 or T5 and what is BS 2898 and BS 159?

1836

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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.

2331

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what is transformor oil gread

2529

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The SFC of an engine is 0.25 kg/kW hr. when the fuel used has a calorific value of 36000 kJ/kg. the thermal efficiency of the engine is

1954

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we are having 110 Kv,250mA Electrostatic precipitators for coal fired boilers. what will be static voltage and current after discharge and what time it will remain before earthing?

1886

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