Answer Posted / deepesh k v

Grounding/Earthing (both the same) is done for human safety
and Neutral is done for device protection

how many Classification of fire extinguisher

2118

---

how we calculate torque ? how we improve it ?where torque will either motor or generator ?

2068

---

ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?

2024

---

What is Negative Potential Bias

2304

---

Whether should be the oil level in OCTC transfomer? It should be upto winding immersed completely or should be upto tap changer s/w? How it will affect the performance of the transformer. Rating may be 33KVA

1838

---

Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.

2056

---

What is CCT (Correlated Color Temperature) ?

1957

---

What is the previous name of Cox's Bazar

2251

---

What is EHT tariff or Power factor Tariff ????

2343

---

whether fibre optic cable in high voltage earth conductor is used for protection circuits

1614

---

when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

1719

---

difference between ac series and parallel circuit

2045

---

we have two motors 1250kW,6.6kV to be coupled on the same shaft ,so please provide assistance for their synchronisation.

2066

---

Dg pf .71 i am improve pf 0.80 what capacitor connected in dg how?

1683

---

how tto ingress mw in turbine explain.procedure ?

2303

---