Answer / hari singh

to control input and output .

Answer / pratap

To control the output (or) to get the desired output.

Answer / n.bharat mohan

control systems are mainly designed to make any variation in the output will be reflected in the input so as to obtain a desired output.for example in our daily life if a action is performed daily then the action when done at the starting day when compared to first day will be improved similarly we can observe in other days also (vehicle driving,cooking,reading etc)

PLZ EXPLAIN CORONA,SKIN,BIRD PALE,SPAN,SAG Effects of power cable.

0 Answers  

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Pure inductive ckt takes power from AC when 1. Applied voltage and Current increases 2. applied voltage and current decreses 3. voltage decreases and current decreases please justify

2 Answers  

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If we say that an cable of size 3.5X 50 mm sq. can take current upto 140 amps,is it the current of single core of the cable or of all the cores jointly.

3 Answers  

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what happens when back charging of transformer is done for longer period

1 Answers  

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what is the effect come when i changed the alternator exciter field winding DC palority(+ve & -ve)which is coming from AVR.

1 Answers   Wartsila,

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Do you know how to measure the earth resistance? if so explain it

42 Answers   ABB, BEL, BridgeStone, College School Exams Tests, Dalkia, Dalmia Group, DEC, Electrical, Genpact, HEC, IOCL, JLL, L&T, MSEB, Saraca, Sical, Telecommunications, University Exams,

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how to select the mpcbs and contactor for 3 phase 30 hp star delta motors.for plc control.and tell me the calaculation for future use.

0 Answers  

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what is the formula for calculating of dielectric strength of transformer oil.

2 Answers   Bhel,

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Why 30kw 40 hp 4 pole 3ph induction motor over heated?any steps on reduction in heat?

0 Answers  

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To test Transformer we give HT side 440V to see wheather that it is producing 17.6V on LT to verify Voltage ratio is correct or not but when we give the 440V voltage to LT side then what will happen to HT voltage ?

3 Answers   Aditya Birla,

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what is meant by re-rolling motor? how it differs from standard motor?

0 Answers  

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what is stalling of a motor?

2 Answers   BTCL,

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