Answer Posted / ajit

Neutral is used to close the ckt. with phase voltage and earthing is used to collect leakage voltage from the body and release it to the ground for human safety.

What is Meter MF if External CT Ratio is 150/1 , PT Ratio is 132/110 Meter CT Ratio is 200/1 & Meter PT Ratio is 110/1

1886

---

What is the use for cable entry in control room?

1179

---

WHAT IS MEANT BY INSULATION CLEARANCE IN VACCUM?

1988

---

Why negative feedback is preferred in the control system?

1271

---

I have one ct of ratio 3000-2000/1 Amp its knee point voltage mentioned on name plate is 500-333/30mA-50mA at Vk/2. in secondary box there is three terminal named 1S1, 1S2, 1S3 then on which terminal obtained the knee point voltage ie 1S1-1S2 OR 1S1-1S3 & also specify the knee point voltage for the ratio 3000 from name plate.

2456

---

What is the minimum value of hfe for the oscillations in transistorized rc phase shift oscillator?

1277

---

Why we use mho Relay in long transmission line?

1459

---

how dose servo motor works

1925

---

what is Anti-pumping?

1950

---

quantizer means?

1953

---

what is inter connected dc generator?

2849

---

when the time of backcharging the transformer three phases only enough or three phase with neutral is must.from these which one is the best one.

2053

---

What is transient Phenomenon?

2262

---

What is an alternator impedance value?

2866

---

what is the operating time for LBB and how does the LBB relay realise whether cb is opened or not?

1990

---