Answer Posted / opira paul

i think that answer is ok

How to check the thermocouple is correctly connected to cable for K type? (i,e positive pole is connected to non magnetic conductor and negative pole is connected to magnetic conductor)

1715

---

what is the formula for efficiency of francis turbine and generator for hydropower? what is best way to select francis turbine and generator?

2499

---

we can run 2phase as 3phase .what will be the differnce with respect to phase angle, power, current between the two modes

2203

---

how you taken aotitude test

2489

---

is there any device that works properly accept relay, it may be fuse but if i want fuse of 33kv 300 amp it is avaliable, pls give me details

1996

---

how make megger test for control cable like 12c x 1.5mm and what it apply voltage and test timing details.

2202

---

Define noise?

1166

---

Why the magneti fields are not passes from southpole to north pole

2127

---

What is mean by hot and cold loop testing? What is the difference between them?

1125

---

In both 600/1000 V cable and 450/750 V cable, we can supply 415 V. However for distribution, all utilities are using only 600/100 V instead of 450/750 V. What is the reason?

1964

---

We have 750KVA DG set, we want to introduce REF relay with 1250/1A,CL PS,Current transformers.The lead distance of 2.5mm copper flexible cable from CT to relay is around 5mtrs.We would like to know the knee point votage(VK) & IM calculion for CT's

1922

---

Why front mounted CT polarities are always towards breaker?

2024

---

Define closed loop control system.

1085

---

Stator of 3-phase IM has 3 slots per pole per phase. If supply frequency is 50 Hz, calculate the speed of rotating stator flux A 1000 rpm B 500 rpm C 1500 rpm D 1440 rpm

2185

---

what is the difference between "Rotary bypass isolation switch and Normal bypass switch" pls share indepth techs?

2060

---