Answer Posted / vipul

as we discussed earlier,anti puming relay avoids the
multiple clossing of the breaker,if we press the close
button while the breaker is already closed,anti puming
relay comes into action.ano contact of the anti pumping
relay is connected parallely to the close coil of the
breaker.if we go on pressing the close button, parallely
connected coil will energise not close coil

what is the use of vcb & isolator in substation?

2366

---

What is the formulae of Megger value for a A.C.Motor

2878

---

What is the meaning of C1, C61, C91 cable

3458

---

How to synchoronize the generator (with gcb,GT) to grid????? ????? from Grid iam getting power (rated 400kv/20kv) through GT and its goes to UAT.,,ST.,, now my generator(rated 20kv ) ready.,, now iam closing my GCB.,, in GT iam suddenly giving 20kv on that Gt.,, what will happend

2070

---

How can we design a HVAC Plant room which includes AHU,FCU,Chillers,Cooling towers, Pumps etc & how will they work? any Drawing if possible?

2331

---

A Question Like A Wire Is Wound Whose Resistance Is Some 132. 44647 Ohms. If A Voltage Of 30 mv, 296 Ma Current Is Applied To It What Is The Resistance.

1058

---

what is counter poise conductors

2154

---

What is relation between mu(nought) and epsilon(nought)?

1528

---

whats the existence of reactive power and when it arises?

2125

---

how give earthing conection to household equipment?

2026

---

what happen when increase or decrease size of lamp,light.glass.

1912

---

Name one of major transformer company in KSA ?

1199

---

What is cable tray, its type, and its support?

1147

---

what happen if the load connected to the induction motor is taken away? the same question for synchoronous generator in synch i think that the the exitation voltage will appear on the terminal only if so plz answer me

1996

---

Can anybody post questions asked in Engineers India Limited Interview? Thanks in advance.

2376

---