Answer / syed javeed basha

Isolators are those switches which disconnect (isolate) supply to any particular section. usually these are manually operated during maintenance of transformers or busbars etc.

busbars are those metal strips or hollow pipes which pass current in a substation or grid.

Answer / tapiwanashe vhurumuku

An isolator is a switch operated manually which disconnects power from the main supply

State ohm’s law?

0 Answers  

---

Due to velocity saturation, MOSFET reaches saturation a.Before Pinch off b. After pinch off c. At Q point d. Before Q point e. After Q point

1 Answers  

---

in transmission line 11kv is step up or step down? why?

5 Answers  

---

what is phase angle ? and also tells me why my phase-phase voltages are 390 rather then my single phase voltages are 221 and 223 respectivly?

2 Answers  

---

why there is spacing between two rails in railway?

3 Answers   DS Group, RRB,

---

Make a list observation on Transformer?

0 Answers   HSL,

---

why earth hole size is biggest in plug point?

22 Answers   Al Qabas, HCL, RRB,

---

What should be the minimum depth of ground laid 66 kv ht cable?

3 Answers   L&T,

---

what is cogging? how it can be controlled?

1 Answers   HCL,

---

When a single pase capacitor run motor- run on 230vac and Case(1)run with 8 Mfd 250 vac.capacitor , Case( 2) run with 8 Mfd 400vac capacitor. What is difference between both case regarding power ,efficiency etc?

0 Answers  

---

A 2D array X(7,9) is stored linearly column wise in a computers memory.Each element requires 4 bytes for the storage of the value.If the first byte address of X(1,1) is 3000,what could be the last byte adress of X(5,8)?

2 Answers   TCS,

---

With a phasor diagram show the effect of increasing the field current of a generator supplying a constant real power and connected to a grid system.

0 Answers   VECL,

---