i have applied for junior engineer 2 c&w for Guwahati RRB please send me last five year question paper

0 Answers  

---

75kw drive operated motor current fluctuation from(85-130)ampere.current setting in drive is 130amp.sometimes motor trip when current limit cross 130amps.I change the drive. still current fluctuate between 80-130amps but in this time motor not trip,current setting in drive is 130amps.where is the problem?

1 Answers  

---

Calculate torque developed by the 3-phase, 5 H.P., 4 pole induction motor runs at 1500 rpm A 23 N-m B 21 N-m C 10 N-m D 0 N-m

0 Answers  

---

What is the abbreviation of NGT panel

0 Answers  

---

What is sensitivity of a measurement?

0 Answers  

---

how to calculate the MF in meter reading

2 Answers  

---

HOW TO CALCULATE THE DOMESTIC POWER FACTOR?

3 Answers  

---

What are the protections for safe running of electric generator?

0 Answers   Hetero,

---

Why CT secondary should not be kept open?

7 Answers   Anna University,

---

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

0 Answers  

---

How neutral voltage for transformer decided? eg 33kv neutral voltage for 200MVA transformer?

1 Answers   MEIL,

---

What should be the dielectric strenght value of transformer oil of 11/0.433KV distribution transformer and 33/11KV tranmission transformer ?

2 Answers  

---