refrigeration cycle?

1 Answers   MAHINDRA, Shapoorji Pallonji Group(SPCL),

---

What will happen if the interpoles in case of a generator have opposite polarities to that behind it in the direction of rotation ?

1 Answers  

---

WHAT R THE SAFETIES IN A HIGH TENSION PANEL N LOW TENSION PANEL. ALSO WAT SAFETIES R THERE IN A 200 KVA TRANSFORMER?

0 Answers  

---

what is the earthing condition between earth & neutral.

6 Answers   ABB,

---

An 11kv system consisting of an underground cable to a sub station about 300 meters away was shut down for about 10 hrs. On energising, it tripped off on earth fault about 10---20 mins later 6 times but since than it is not tripping.its already 3 weeks now. The SPAJ was found to be fine. what could be the cause.No test had been done to determine the cause of the trippings till now because of demand.

2 Answers  

---

why does a dc machine has high efficiency while working as a generator than as a motor ..

0 Answers  

---

why cant we use earth as neutral at home whereas neutral is actually grounded at transformer end?

4 Answers  

---

Ohm's law applicable for semi-conductors?

4 Answers  

---

Which lamp will fuse first(1)20(2)40(3)200 three lamps will fuse together

2 Answers   NTPC,

---

what is acceptable leakage current for 33kv cable while doing high voltage test for cable? how to calaulate the leakage current for 33kv or any rated cable?

0 Answers  

---

What cmos is and its benefits?

0 Answers  

---

where the protection CT in neutral of transformer be located, before bifurcation or after bifurcation and why.

2 Answers  

---