how fan speed decrease or increase by using regulator? thank you

3 Answers  

---

how caculate the pump head to maintain perticuler pressure of water and what would be the motor size in hp for the same?

1 Answers  

---

How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?

0 Answers  

---

what is the clearances between phease to phease & phease to earth in 400 kv transmission line?

1 Answers   Lanco,

---

difrent between vcb acb sf6 and mccb breakers

1 Answers   DMRC,

---

what is the significance of positve n negative voltage regulation .on alternator

1 Answers   TCL,

---

sir i am apearing for nic exam.i dont know exam pattern.can you please send me some model papers

0 Answers  

---

I am having a 1500 KVA transformer whose secondary current is 2086A and my connected load is 1000 KVA, I am having 400 KVAR APFCR for PF improvement what ratio of CT should i install in LT EB Bus to get optimum PF improvement?

0 Answers  

---

why do MCB melt but not tripped in lighting highmast??

1 Answers   AHPCL,

---

What is the difference between MPP, APP, Mixed Dielectric power capacitors? Which technology is superior in current scenario?

5 Answers  

---

what is protections used for 6.6kv ht motor

2 Answers   OEG,

---

seromechanism

4 Answers   Bhel,

---