how to calulate bearing number of any motor ?

0 Answers   Transfield,

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How can I indicate rpm on digital rpm meter with help of simple tacho output? tacho output is 90v at 3000rpm.

2 Answers   Godrej,

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Which modulation has higher data rates a.fm b.am c.qam d.qpsk

1 Answers   NTDC,

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What does the term power factor shows?

0 Answers  

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For having nonavailablity of 10 Amps fuse, a lineman replace the same with 5Amps two strand, Do he correct ?

4 Answers  

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High voltage test procedure of in swgr board. why should measure millivolt drop on testing time?

0 Answers   NTPC,

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Two liquids hot and cold in two vessels are there and an metal bar acts as a conductor of heat between the two vessels. what happens then. what happens after 24 hrs?

0 Answers  

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what is the current density of copper & alluminium.

0 Answers  

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11KW Delta motor is taking about 44Amps in star and goes upto 70Amps in delta and trips OFF. The rated current is 26Amps. Application is for the blower. The motor takes ( no load without coupling impller ) only 2.5A and 5Amps in star & delta starter test.Need to know why its taking high current.

10 Answers   Pfizer,

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by using pump duty, how we will can calculate the motor duty(KW)? is there any standard or formula.

0 Answers   HP,

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what happend when 230v dc motor we supplied a 23v ac supply

3 Answers   Hero MotoCorp, RRB,

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what is the thumb rule for determination resistance of resistor?

0 Answers   Siemens,

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