If the Brush of DC motor is shifted by 90 deg, then what happens to voltage and torque? Both voltage and torque are zero. how to justify the answer?

0 Answers  

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Whet is IGBT.How it teste

2 Answers  

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why we use condenser in the thermal power plant, althrough the same vapour will be again heated

0 Answers   Bhel,

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WRITEDOWN FEW RELY CODES

0 Answers   Equate,

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when we decide to use soft starter drive or vfd drive in mcc to operate apump?

0 Answers  

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Why high Voltages come in multiple of 11, like 11 KV, 33KV, 66 KV, 132 KV etc.

11 Answers  

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How to calculate voltage drop in copper and aluminium cable? I have laid 240Sq.mm Aluminium cable for the length of 600 Mtrs in 1 Mtrs underground. Normal load is 150A. Transformer is 630KVA, 6.KV/433V. But, I am getting only 395 Volts when load. How to calculate voltage drop and what is the permissible voltge drop for this circuit?

1 Answers  

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why d.c produces corrosion

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what is meant by impulse voltage?

0 Answers   Masseera,

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1)what is hypo test. 2) which cable need to hypo test.3) when hypo test can be done before or after glanding.4) what is the purpose of hypo test.

5 Answers  

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what is the meaning of Dd0yn11

2 Answers  

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What is difference between mcb and mccb.

0 Answers  

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