If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021

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An ISP is granted a block of addresses starting with 150.80.0.0/16. The ISP wants to distribute these blocks to 2600 customers as follows. a) 200 medium size businesses; each needs 16 addresses b) 400 small businesses; each needs 8 addresses c) 2000 households; each needs 4 addresses Design the subblocks and give the slash notation for each subblock. Find out how many addresses are still available after these allocations.

0 Answers   UOG,

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why is  use the star and delta connection and difference

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pls tell me function of closing coil of A.C.B.

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What is the different between Insulator & Di-electrict?

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ho can we calculate the conductor insulation value according to their ratings like voltage,current etc.how insulation value related with voltage,current and power of amachine

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suppose there is afault in transmission line connected to a generating station, then what r the adjustments u will take to without loss of synchronism?????

2 Answers   NTPC,

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A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is onbserved the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?

1 Answers  

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upto how many load can v connect to stabilizer which is used for tv

0 Answers   Sandvik,

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why we did not get shock by touching +ve OR -ve busbar (Which are going to supply cell voltage) of Rectifier- Tranformer in electrolysis plant?

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Why computer humming sound occurred in ht transmission line?

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On wat basis TSM & PSM are set? Example.TSM=30% n PSM=2.5A....Hw they are set and how we come to know that the particular relay should be set to this value only?

2 Answers  

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