Is there any standard guidelines/Criteria to design NGR/NGT.?

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Determine the BTU size of an aircon for 20 sq metre room

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Why more sound is produced in mixer than grinder

2 Answers   Vedant,

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If we use 250A MCCB as a incomer in Control panel for a fault level of 50kA for one second ,assuming temperature rise from 85 Deg. to 100 Deg , Then what will be the Aluminium Bus-bar size for 250A MCCB? Explain in detail.

0 Answers   Usha Capacitors,

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Is any AC drive(VFD) had a feature of DC injection braking? if available please mention the detail. i.e drive can supply braking torque when the motor in idle state.

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Can anybody please refer the best and simple book for about Protection relays and in detail of all its protection ?

0 Answers  

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what is standard height of an energy meter from ground?

2 Answers  

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In LRS how much water PH value maintain for good operation of motor?

3 Answers  

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Pls say , how we calculate lux / sq.ft, which formula used for calculation

5 Answers  

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placing earthing pit in pathway is correct or wrong??. placing earthing wireGI1/18 inside walls is correct or wrong?. explain!!!

0 Answers  

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is electrons really flow or they just vibrate at their position?

5 Answers   Bhel, HAL,

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Which type of alternator used in power station?

2 Answers  

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