Answer / saran

fire alarm control panel

what is the control circuit for operating the clean room air shower

1 Answers   L&T,

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Why are iron cores in transformers made laminated?

1 Answers  

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what do u mean by starting torque? how it should be for a good motor? what is the relation between starting torque and power factor? What is the relation between efficiency and starting torque?

2 Answers  

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Why transformer rating in KVA? and Generator also?

6 Answers   Bhel, IEEE, Toyo Denki, Toyo Engineering,

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Define steady state error.

1 Answers  

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need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.

1 Answers  

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What is the working principle of servo motor? And explain it.

1 Answers  

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Which capacitor is preferred for high voltage and frequency?

1 Answers  

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What is mean by discrimination of circuit breaker ?

1 Answers  

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Dear Respected sir how to test ABB REX521 protection relay by relay tester.

1 Answers  

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why we ground the scondary of current transformer.

4 Answers  

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For electrical designers what are the standard should know? i want learn about this standards. how to get information/reference. anybody help in this regards please.

1 Answers  

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