what is meaning of sympathetic tripping with respect to relays and give the values for current carrying capacities for copper and aluminium cables from 16sq mm to 500sq mm

1 Answers  

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In generally how many earthing required for power

4 Answers  

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how can alculate the apfc panel rating?

3 Answers  

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

0 Answers  

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What are the test performed on A faulty transformer ?

2 Answers   Bhel,

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Describe kW and kva and difference between

4 Answers   BTM,

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why should we india maintain frequency of 50 Hz.

8 Answers  

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air condition capacity for masjad having 50feet in circal and 35 feet high

3 Answers  

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Which motor has high starting torque

2 Answers   Greenko,

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what is the use of neutral displacement relay

1 Answers   OCL,

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During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP

0 Answers  

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why inductance is not present in a incandescnt lamp?

2 Answers  

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