Which type of control system is expensive — closed loop or open loop?

1 Answers   GE,

---

working of bulb?

1 Answers  

---

what is the difference between STAR and DELTA connection and application wise how it can be utilizedd ???

1 Answers  

---

any calculation method for decide cable size for current?

1 Answers  

---

HOW TO CALCULATE BATTERY BACKUP TIME & AH CAPACITY AGAINST UPS KVA RATING?

2 Answers  

---

What happen if LV supply is fed to a HT motor?

19 Answers   ITC Infotech, Jindal,

---

In a ordinary plug can we hold the earth in hane and connect the circuit to supply?will we get a shock?

5 Answers  

---

what is the function of a commutator in a dc generator?

14 Answers   College School Exams Tests, NTPC, TCS,

---

how to carried out tan delta test in 11 KV alternator ?

0 Answers  

---

how to testing the AC 3 phase motor? and what is the test procedure & kits required for testing?

3 Answers  

---

What happens if i apply 500V to 440V rotary Switch ?

0 Answers  

---

A charge of 240 C is transferred in 2 minutes. The current flowing is:(a) 480A(b) 120A(c) 2A(d) 8A

2 Answers  

---