Answer / vinod

preventive maintenance is planned maintenance of equipments
based on site condition/manufature data to avoid the
breakdown of equipment.
predictive maintenece is doing after condition monitoring
for Eg. we can check temprature/vibration etc online if the
value is more equipment will take for predictive
maintenance

Answer / raju

Preventive maintenance means which are done before
breakdonw like sheduled maintenance. Predective maintenance
done by monitoring condition.

How we can calculate the consumption in kwh of motor on basis of kw @100% load, @50% load & @ no load.

0 Answers   Grasim,

---

when ur using single phase type of load for a 3.5core power cable .Why neutral is .5 and how much current in the neutral if we consider neutral as a reverse path for three phases.

2 Answers  

---

What is switching over voltage?

1 Answers   MEIL,

---

Draw a 230kv two-bus bar system showing the following. 1.Two generators (150MW) each connected through one 15.75/230KV transformers 2. 1 outgoing lines 3. Two 230/130 KV transformers 4. BUS PT's 5. CT

0 Answers  

---

why we do not switched on capicitor panel with DG Supply

3 Answers   DLF,

---

Why the generator rating in kva

32 Answers   CompuCom, DLF, Genpact, HNG, SIPM,

---

6.6Kv feeder feeding tow step down transformers-415V-,what the possible consideration for parrellel operation?

1 Answers  

---

why on delay timer used for fully automatic star delta starter?

0 Answers  

---

140 is load amps for a equipments and what ratio of CT requied for installimg ammeter to amps montering purpose?

1 Answers  

---

A well system is when , no. of bus bar is less or more. Tell me the concept of it.

0 Answers  

---

What is the minimum load that you can keep in a 3 Phase 40 KVA Diesel Generator? Is it neccessary to load all the 3 phases? Can a phase be left without load?

2 Answers   DRDO,

---

Why in india freq. is 50HZ & in U.S.A. it is 60HZ?

2 Answers   MacLellan,

---