Answer Posted / thowsif_emerson

Hi go through this link,..

http://en.wikipedia.org/wiki/Programmable_logic_controller

Define relative stability.

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Is it true online ups having bypass mode if it is true then why we called ups because it is interrupting power when goes in bypass mode

2028

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how to test and calculat the head and discharge in borewell compressor

2154

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A 1F capacitor is charged to 100V initially. A 1H inductor is connected accros the capacitor througha a switch. The current in the circiut when the switch is closed is____

2324

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why we use sinosidal voltage / current instead of others in system?

2203

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ii) A shunt motor supplied at 230V, runs at 900 rpm when the current is 30A. The resistance of the armature is 0.4 ohms. Calculate the resistance required in series with the armature to reduce the speed to 600 rpm, assuming that the armature current is then 20A. [12]

2364

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what are the major & minor faults that occur in an inverter and in UPS ? And how to repair and resolve them ?

2365

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how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt

1968

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(1)WHAT HAPPENS WHEN SUDDENLY LOAD GIVEN TO THE INDUCTION MOTOR ? (2)CAN WE MAKE WOOD AS MAGNET ? (3)WHAT IS THE VALUE OF MAGNETIC FLUX DENSITY IN TRANSFORMER ? (4)WHY WE ARE USING ELECTROMAGNETI NOT ELECTROSTATIC IN MACHINE ?

2184

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What is the necessary and sufficient condition for stability.

1129

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Types of test in Switchgears, MCC, NGR and DB's how it should be procced. Can anyone give me the details here or email me to pasuvaraj.k@gmail.com

2106

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What are the common sources of energy?

1094

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Explain few advantages of electric traction system?

1131

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what is the pulse and audio frequency transformer? what is different between induction regulators and tap changing transformer?

2111

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What is the temperature PROFILE OF A FLUID W. R. T. Distance from a sphere to which it is IN CONTACT which is at constant temp.?

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