i want to apper for apgenco or aptransco or related can any one sugest me where can i get previous papers of thouse exams

0 Answers  

---

How the circuit breaker is selected for Induction motor of 100 kW, 415 volt, 0.85 power factor, 0.95 efficiency ?

0 Answers  

---

at high temperature conductivity increases for conductor what will happen for long transmission when temperature is high?

1 Answers  

---

why transformer is conneted to dc for polarity test.it doesnt work in dc?

1 Answers   ABB, KVPY,

---

how we can use resistance heating for any domestic purpose???

2 Answers  

---

---

what is the difference between LT and HT power supply?

26 Answers   Center One Mall, Central University, JSW, Siemens, Suzlon,

---

if we increase the frequency given to a transformer then wat will happen to the transformer size, whether it will increase?

4 Answers  

---

If there is unit power factor in a power house and a capacitor bank used in a factory at resistive load . In this case, will there leading power factor in power house across that factory.

2 Answers  

---

what is ferranti effect?

3 Answers  

---

WHAT IS THE DIFFERENCE BETWEEN A DC MACHINE OUTPUT AND RECTIFIER OUTPUT...

3 Answers   Cesco, NTPC, RRB,

---

1.what is surge 2.what is lightning 3.what is switching 4.difference between surge,lightning,switching used in power system 4.definition of surgearrestor,lightningarrestor 5.adv and disadv of surgearrestor,lightningarrestor 6.uses and purpose of surgearrestorand lightning arrestor 7.block dia of surge arrestor 8.blockdiagram of lightning arrestor 9.operation and working of surge arrestor and lightning arrestor 10.basic formula of surgearrestor and lightning arrestor 11.basic diagram of surge arrestor and lightning arrestor

1 Answers   Crompton Greaves, Framo, L&T,

---

What is the meaning of utility ground and clean ground? How the distribution panel is grounded?

0 Answers  

---