Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?

0 Answers  

---

in cable joints procedure what electrical problems have been solved out ?

1 Answers  

---

I got shortlisted in RRB thiruvananthapuram for the post of Junior Electrical engineer, waiting List - 7. i want to know about the validity of the current list and chance to get the job please help anybody knws abt it,, thank you

1 Answers  

---

what are the causes for strip heater failure ?

1 Answers  

---

How i measured Bus bars weight without wighting ?

3 Answers   Encom,

---

hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.

0 Answers  

---

why solinoid coil used in tripping rely?and why not other type coil?

1 Answers  

---

If i connect aload to phase taken from one transformer and neutral from another what will happen.

2 Answers  

---

Define magnetic centre in a motor?

1 Answers  

---

How to check the specific gravity of the two 12 V batteries connected in series to a 24 V UPS and inverter ? will we have to disconnect all the connections and turn off the UPS and inverter or not ? will we have to check specific gravities in each cell of the two batteries ? what is the name of the instrument that is used to check the specific gravity and whats the procedure to check the specific gravity with it ? thanks

2 Answers  

---

If an electrical component has a positive temperature coefficient, how come such components have high power losses due to heat if current decreases when resistance increases? assuming power given by I^2*R whereby the Resistance is infinite.

0 Answers  

---

My meter CT is 200/5amps Then my electrical meter MF=???please suggest

2 Answers   KFC,

---