Answer Posted / sheikh

PLC comprises at 4 Types of Block.

1- Power Supply
2- C.P.U
3- Input modules
4- Output modules

am I right ?

1. what is usage for power factor in industries?? 2.why we need to monitor power factor??

6741

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132/66kv sub-station procation ?

1716

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What is the function of the generator exciter?

921

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what is the difference between earthing and unearth

2369

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What cmos is and its benefits?

666

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What should be the values of settling time, peak time, steady state error, overshoot, rise time, MPOS (Maximum percent over shoot) to keep the system in transient state, to keep the system in steady state ?

1763

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What is the Surge suppresor? Why using in a UDB's and How it works?

1688

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my b-tech percentage is 50%. what answer will satisfy the hr ?

1629

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I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?

1742

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Why the standard of ambient teperature mentioned as 40 degree celcius in machines.

1455

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What are the characteristics of negative feedback?

611

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How Can you do Maintenance of ACB of 2000Amperes

1648

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Explain the operation principle, advantages and disadvantages of the following converters: a) A 12 pulse converter b) A Switch-mode inverter c) A thyristor inverter

1496

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I am having a 42KW 3 phase electrical heating furnace, heating element is 80/20 nichrome material, my connections is made in such a way that 2 star connection compromising 2 coils per phase so totally 12 coils, shall if i use it unbalanced star condition (instead of 2 group of 3 phase or 1 group of 3 phase, connecting 4 phases of 5 phases) what will be the consequences and is it acceptable?

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sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

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