Answer Posted / k.prakashchandra

I think alf could be Alf, meaning maximum 'line fault
current' (A lf )

1 “earthing” for bonding of equipment and circuits to common plant earth electrode potential, 2 “protective earthing (PE)” when this bonding is required for personal safety provisions 3 “grounding” for interference suppressing bonding of screens, sys-tems with ground level 4. low-impedance earthing ? 5.primary earthing system and secondary earthing system what is that? 6.earthing electrode or mesh net earthing electrode ? very confusing , simple but very informative help required ? i will be very very thankful to you guys.

2076

---

I am abt to give IOCL intrv.Plz sir guide me for IOCL intrvw (Electrical).Which subject to be consider. questions are generally asked from which subject.Plz help me out.

2004

---

Did RMU have ct and pt ?

1360

---

What is EMC filter in VVVF Drive ?

2733

---

sir pls send the je exam - 2008 and other model question papers..

2078

---

when ID fan will immediately stop through VFD what exactly cause and problem the ID fan

1458

---

What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer

1889

---

What is 11 N1 and 12 N2 in single phase Transformer ?

1934

---

The specific heats of the gas at constant pressure and constant volume are respectively 1.0 kJ/kg K and 0.72 kJ/kg K; the value of R for the gas is

1137

---

all interview questions with answers of ntpc (2000-2009

2215

---

What is the basic principle of welding process?

2148

---

how to measure earth resistance of a substation

3326

---

hi everybody how to design string combiner box (scb) internal parameters like bus bar and spd (surge protection device and fuse which place to set that,and also bus bar one particular cross sectional how much heat generated and how much power loss tell me Clearly and briefly

1993

---

for compensate 315mh inductance ,how many capaciance required?

2057

---

What is earth?

2444

---