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,

---

why high speed tripping relay is used in protection circuit why not normal relay

0 Answers  

---

list down a few application of ac & dc in a generating station?

1 Answers  

---

The capacity of the transformer is 20/25 MVA, Ratio is 132/11 KV, Vactor group YNyno. and impedance is 10.07%. As per the calculation the secondary current is 1312.2Amps. The maximum fault current the transformer should sustain is 13.030KA. How many times the transformer should sustain the maximum short circuit current of 13.030KA over a period up 1 Year. The transformer is repaired one & 10 Years old.

1 Answers  

---

Why voltage regulation of an alternator is negative for a leading power factor?

3 Answers  

---

why CT output is always raetd 5.regardsof primery curre.

3 Answers   ABB, BARC,

---

Why mostly GT(Generating Transformer)has only Ynd1 Vector Group?

1 Answers   Essar,

---

If an induction motor is restarted before its rotor stop rotating, then what will be the amount of current drawn? Is this current will be the same as motor starting current?

5 Answers  

---

What is minimum phase system?

0 Answers  

---

What is the two pole structure?

0 Answers   Foxconn,

---

How can we parallel two transformer with vector gorup YNd11 and YNd1?How is connection two transformer GT?

3 Answers  

---

If ct ratio is 250/1 and mtr is of 5 amp, what will be mf?

1 Answers  

---