Answer Posted / pravesh

both rccb and elcb are same name given to the same device
both work in residual current value of the circuit. both
has low current setting i.e. 80 ma .if any durrent flows
(residual) itflows from the earth condutor and thus trip
the elcb/rccb

What are the advantages of autotransformer?

1216

---

HOW WORK HEAT PLATE EXCHANGER

1992

---

What is different between resistance grounding system and resistance earthing system?

1151

---

what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?

2087

---

What must be the distance between the Earth pit which are grounded from two different sources. Example: Distance between the earth pit for LV Panel-1 & 2

2076

---

can anybody tell me that for p.f. Improvment we use capacitor banks but how to decide its capacitance. As we all know how to calculate kvar but what abt capacitance value

1864

---

What is the formula to calculate a three phase alternator

2338

---

If we have to feed a housing complex having load 8MVA, than what would be the better option, either we first step down 33kv supply into 11kv & than 430v or we proposed no of 33/.44 kv transformer, also which option is economical?

2226

---

What is the difference between a verilog task and verilog function?

1297

---

Comparision of Air break circuit breaker, SF6 Circuit breaker and vacuum circuit breaker.

2368

---

How many types of interlocking use in screw type air compressor,make-Kaser(BSD MODEL)?

2108

---

How could I get a certificate of competency as Electrical Supervisor? I have completed By BTech in Electrical this year(2012) for VJTI Mumbai Maharashtra. Is it compulsory to be produced while joining?

3460

---

Explain the functioning of diode?

1093

---

what are types of encoder

1875

---

1. A bomber drops a bomb from an aircraft flying at 2000 km/hr. at an altitude of 7km. The speed at which the bomb will strike the earth would be

1909

---