Answer Posted / niranjan

Its braking the motor by reversing the current direction in the circuit, it can be done by interchanging the the two supply terminals, in case of DC and in AC three phase, it can be done by interchanging any two lines of the three lines.

what is different between relay and plc?

5867

---

what is the purpose of silicon dropper used in battery charger?

7516

---

What should be the height of basement according to NBCC code?

2262

---

tell me some type of questions throught which i can prepare for exam and do my best

2089

---

generally in LT and MV motors we are using 3.5Coresx16,25,35,50 etc cable for supply.although motors is earthed at two point and having all protection.then why we are using that 1/2 core for earthing the motors.while in HT cable we are using only 3core cable for motor supply.generally lt and mv motors are delta connected and ht motors having star connection.whethere it is having any relation with winding connection( star or delta).all motors i am talking about are dol only.can anybody solve my confusion.thanks...

1969

---

can you plz send l&t aptitude questions if available its urgent plz plz plz

2172

---

Explain marx circuit.

1393

---

What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning

2053

---

how to compute kvar in substation feeder to improve power factor and sending voltage

2206

---

I need HT sphere gap calibration table. Can any body help me.

1995

---

Why have to use copper cable for local isolator to motor ?

2148

---

R=*¶ l/a

1662

---

Define what is the function of anti-pumping in circuit breaker?

1390

---

Earth has zero potential then what would be the neutral potential ?

1476

---

Two electric lamps 40 W, 220 V each are connected in series across 220 V. What is the power consumed by the connection?

1460

---