Answer / mario

Static fan is the pressure dropped from the discharge of the
fan and dynamic fan is pressure dropped from the suction.

Answer / ram

The pressure drop measured across the discharge of the fan
is called ESP. and the pressure drop measured across the
suction is called as dynamic pressure. Also it can be
calculated as 0.6 x v2 (v-velocity) .

How instantanious short circuit current is calculated? its formula?

1 Answers  

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If Two Generators are working parellel in a network and suddenly the field of one Generator get weakened What will happened if there is no reverse power relay fixed in that Generator panel????

7 Answers  

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wat s the electronic device used in the fan regulators recently?

2 Answers  

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on which power factor synchronous motor run

2 Answers   Bhel,

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What is DPR relay, And what for??

2 Answers   Engro,

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WHAT IS DOL STARTER? HOW IT WORK? GIVE ITS CONTROL AND POWER DIAGRAM .

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brief notes on ammeters

0 Answers  

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What will happen if v use DCP Type Fire Exingusher on a Server Chaisis???

1 Answers   Emerson,

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Define peak overshoot.

0 Answers  

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I want to ask that is there any relation between current denesity of copper and material purity. also is ther any standard which defines the standard current denesity of material.

0 Answers  

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how to design step down 12 V, 1mA small transformer from 220 V AC? Because according to VI relation and power transfer it results bulky...

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in catridge heeter  watts =110, 260 v ,  i checked in multimeeter meeter shows 50 ohms but oms law r=v square /w  260*260=67600, and 67600/110=614.5 ohms  how to caluclate exact ohms in heetre s 

2 Answers  

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