Answer Posted / sandeep

D/y

why we can stote dc? why we cant store ac?

2129

---

actually i can't understand what is 3dB ? and it's really not clear to me.please any one let it me be cleared.

2303

---

while doing high voltage test on 11kv/433 distribution transformer why we only give 28 kv on hv side and 3kv on lv side for power transformers what is the value what factors it depends

2916

---

current transformer balance the power level on both sides. e.g in case of step up, at secondary side voltage rise but current decrease and vice versa in case of step down transformer. but how this power level remains same in case of current transformer and voltage transformer

1654

---

How to do bus bar short circuit calculation for 230KV/11kv, 60 MVA Substation?

4781

---

im electrical engineer, could any one help me for FEWA exam questions please ?

1163

---

WHAT IS THE TOTAL POWER GENERATION IN CHHATTISGARH?

2040

---

can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?

1500

---

RESPECCTED SIR/MADAM- I AM PRERING FOR SECTION ENGINEER (ELECTRICAL) RRB CHANDIGARH PLEASE SEND ME SOME PREVIOUS YEAR QUESTION PAPER OR MODEL PAPER.MY EXAM IS ON (30- NOVEMBER 2008).I AM VERY THANKFUL TO YOU. FROM- HARENDRA SINGH YADAV

2148

---

What is the slip speed?

1148

---

Can you explain about Restricited earth fault protection scheme

1909

---

What is the formula to calculate the no load current of a single & three phase induction motor

2335

---

Why do we apply both Differential and REF (HV and LV) protection schemes on YNyn configuration of a transformer?

2200

---

What are the main significances of root locus?

1279

---

WHAT IS THE FUNCTION OF SHORT CIRCUIT MAINTENANCE CT

2504

---