i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400

2090

---

sir i want model and previous year question paper of RRB. please send it to my mail id. im a mechanical engg.

1982

---

Why efficiency of generator is higher than motor at a particular load?

2027

---

33kv Rated output avilable in market (any where in india)

2042

---

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

2074

---

BEL old probationary engineering questions and answers

5218

---

Can you tell me more about pu systems (per unit systems )calculation in large power systems? how to get the base for voltage and power in generator, transformator and transmission lines?

2253

---

how to protect motor in dol starter having capacity of 30 hp.40 hp?

3175

---

what is the effect of connecting three phase supply lines to three phase auto transformer output terminals through a fuse of 10Amp and a circuit breaker (MCB). Is this connection permanently destroy the transformer?

1898

---

What is the requirement of grounding the neutral of single phase generators on load? If the neutral is not grounded, what will be the effect?

2079

---

hi can anyone tell me some technical questions asked in iocl

2228

---

what is the use of offset follower in cam? why and where we have to use this type of follower?

2256

---

Different STANDARDS (BS, IS, IEC etc) gives different informations on CT specification. How they correspons w r t each other (i.e I mean to say BS provides "knee point voltage" but IS does not, then how can i select CT)

1934

---

what are the necessary basic electrical topics to learn for mechanical engineer to deal practical problems.

2191

---

what is upper impedance and lower impedance of a distance relay

1995

---