Answer Posted / mahesh katakdhond

MERITS

1.Run in Synchronous speed.
2.If load changed then run either synchronous speed or zero speed(magnatic locking).

DEMERITS

1.Not self start.
2.High cost.

what is the easiest method of short circuit current calculation ? pls. derive with a mathematical example in real life application.

2424

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1.WHAT IS A SMART CAPABLE DB ( DISTRIBUTION BOX) ? 2. HOW TO DECIDE THE TYPE OF DB TO BE USED ( RECESSED/ PLUG TYPE/ SMART ETC ETC? 3. WHAT IS MILLENEUM BUS BAR USED IN DB? 4.DIFFERENTIATE MCCB AND MCB.

1839

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difference between a diode and thyristor?

2236

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Why saturation region slowly shifted in the left side?

1855

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Q) Write VBscript code along with QTPscript code in QTP tool for below scenario 1. Launch yahoo site(i know) 2. Do loogin(i know) 3.Click inbox link(i know) 4.Go to every page of mail box and count no.of read mails and no.of unread mails(i know) 5.Store page numbers, read mail count and unread mail count in a new excel file sheet 6.Create 10 types of graphs on that data 7.Do logout and close site(i know) 8.Save new excel files with graph

2495

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Can Anyone suggest the Standards (IEC or IS) for selecting copper current density?

1399

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Why the power factor improvement is so important in industrial loads

2033

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In a flange coupling, the flange bolts are designed for

1119

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How to calculate the no of Ceiling fan (1200mm sweep) per unit area?

2072

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plz tell me,ht and lt panel terminals in substations explain beiefly

2924

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is there any lightning by passer is arranged in ship like buildings?

1935

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plz send me the placement interview question and answers of whizchip(technical and apttitude)..i have an interview in next.

4985

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Pls Breifly explain about UPS (Inverter,Reserve,Rectifier,Float voltage,Boost voltage).

2783

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can some one clearly explain why -48 volt DC use in telecom site????

1687

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defination of lines

1998

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