Answer Posted / menaka

electrical consists of ac current and electronics controlls
dc voltage

what is meant by LCR meter? where its useful ?

2065

---

if any body have question paper of railway (section engineering),then plz send me .i will thank of him/her.

1993

---

What is the function of the circuit breaker failure relay?

2386

---

What is the tension required for the 25000 CFM AHU belt

2492

---

what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?

2097

---

we have an energy meter in a capacitor bank panel, So should we consider it's readings as energy consumption on daily basis. (when capacitor bank doesn't have any energy losses)

2448

---

What is the basis for framing the rules of block diagram reduction technique?

1532

---

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

1333

---

suri transmission

4763

---

explain comutator action in detail.thanks

2263

---

What are test signals and their significance?

1136

---

in basic 2 phase will short means tripping the power but spot welding 2 phase shorting but not tripping it will welded why.....(Q)

1967

---

operation of protection relay watchdog contact?

2421

---

Please help me regarding my one concern. - During earth pit testing we noticed that the Clean earth pit and dirty earth pit showing continuity (Resistance value - 5ohm) . I want to know that if both earth pit have separate location and there is not internal looping between PIT then why such continuity is showing on it . Because of this issue the field side all earthing point showing short. In PLC panel we are providing two types of earthing cable which is coming from separate earth pit (Clean and Dirty earth pit) because of earth PIT showing short our PLC is not complying spec . please help regarding this issues.

1602

---

What the formula for calculating no.of earthings & size of earth strip for 100mX90m shop.

2367

---