Answer Posted / vijay mali

Generally the operating time of the circuit breakers
depends on the designer. The opening time of the breaker
should be less than the closing of the breaker. Opening
time should be less than or equal to 20msec (preferrable).
Closing time depends but preferrably less than 90msec

send me any model test paper of clerical post of state bank of india.......

1786

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i want wipro vlsi placement pattern please send me

1716

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what is meant by loss of field in a DC motor? how a universal motor works?

1797

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WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?

2225

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How to calculate the copper in HT motors if KW, RPM & Voltage is given

3146

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What are the applications of different multistage amplifiers?Plz also write advantages of these amplifiers? Thaaaaaaaaanx

2837

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What is the difference between PS & metering CT (5p20,0.5 etc.)? Why in PS class CT only Vk is given ? Is PS class CT is more accurate than metering CT?

1060

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Why the magneti fields are not passes from southpole to north pole

2053

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how to calculate the cable current ratingand and how much of distance the rating will be ok will the distance is incresed what the action we take

2064

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why surge protectetor work explain with the help of circut diagram?

1940

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what are all types of cross section in AC cables?

2227

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Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?

1904

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I have been using an 600VA with 0.6 p.f UPS with my desktop which has 450W power supply unit. Can anyone explain how can this happen . Because the output of the UPS is 360W (600*0.6) (<450W)

2071

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PLEASE ANYBODY HAVE ELECTRICAL CIRCUIT DIAGRAM FOR CHMER PULSE CD 60M SPARKING MACHINE.PLEASE MAIL ME SUPRIYAAYYAPPAN@YAHOO.CO.IN.

2742

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comparision between ACB and VCB

2303

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