write down the formula of cable size in RM if current is 50Amp.

0 Answers  

---

low voltage distribution is done by a)3 phase 3 wire b)3 phase 4 wire c)single phase

3 Answers  

---

Why sip ring used in ac motor also why its not used in dc motor?

2 Answers   RRB,

---

why the protection turbo generators is most complex?

0 Answers   Infres, L&T,

---

A shopkeeper allows 10% discount on the price of an article and sells it for Rs 7,600. What is the marked price of the article?

1 Answers  

---

Give two basic sprrd control scheme of DC shunt motor.

2 Answers  

---

What is the minimum distance between taransformer (say 2000 kva)and its earth pit?

2 Answers   Bhel,

---

1.what is difference between line,neutral and earth 2.IF single phase voltage is 230v ac and what should be the voltage between line to neutral,neutral to earth and earth to line

1 Answers  

---

it is difficult to interrupt a capacitive current because (a)it has a leading power factor (b)current magnitude is very small (c)the restriking voltage can be high (d)stored energy in the capacitor is high

2 Answers   DGVCL Dakshin Gujarat Vij Company, MGVCL, UGVCL Uttar Gujarat Vij Company Ltd,

---

IN MY INDUSTRIES 125 HP MOTOR USED FOR THAT ONLOAD AMPS UP TO 280 SO CAN I USE ONE LOWER KVA DG SET WITH STEP UP TRANSFORMERS THAT MEANS WITH LOW POWER INPUT TO GET CONSTANT HIGH POWER OUTPUT EG:125KVA DG SET = 250 KVA STEP UP TRANSFORMERS

1 Answers  

---

what is the difference between transformer and amplifier ??

5 Answers  

---

What is the main uses of VCB & ACB?

2 Answers  

---