What is the effect of atmospheric pressure & Temp; on efficiency of motor? Why NGR(Neutral Grounding Resistor) is used in 132/11 KV Transformer & how? What is the use of Auto T/F in Grid Station?

0 Answers   K-Electric Limited,

---

what is mean by marshalling box in transformer?

8 Answers   Reliance,

---

Don't you have similar question banks related to Oral Certification Examination conducted by Mercantile Marine Departments / Directorate of Shipping, Ministry of Shipping for Electro Technical Officer?

0 Answers   Bernhard Schulte Shipmanagement,

---

What is ahu ? Working principal.

0 Answers   Sodexo,

---

Why we are designed only 11Kv and 6.6Kv Alternators, not 33Kv Alternators and Power Transmission side we are designed only 220kv, 120kv, 66kv, 33kv, 11kv, and 440volts, not 20kv, 50kv, 100kv.

2 Answers  

---

what is the calculation method to design core and winding of a 200kva 3phase distribution transformer?

0 Answers  

---

Explain why inductance of the iron cored coil changes with current?

2 Answers  

---

what is the acb tripping & closing voltage.

2 Answers  

---

in conclusion why we select you?

1 Answers  

---

what is buscoupler adopter panel????

5 Answers  

---

ii) A shunt motor supplied at 230V, runs at 900 rpm when the current is 30A. The resistance of the armature is 0.4 ohms. Calculate the resistance required in series with the armature to reduce the speed to 600 rpm, assuming that the armature current is then 20A. [12]

0 Answers  

---

Pleae send me last 5 years of Question book about RRB chennai.

0 Answers   RRB,

---