what is mean impedance?

7 Answers   ONGC, Wipro,

---

Why only sinusoidal ac voltages are generated?why not triangular or sawtooth?

0 Answers  

---

Can we use HRC fuse inplace of semi conductor fuse ? What are difference between them?

3 Answers  

---

there are 3 transformers each of 1500 kva and one transformer of 1000kva for a 11 floor building . total otgoing kw is 4066 kw. i need an extra 260 kw .is there any provision for that? what is the max kw that can be connected with these transformers?

2 Answers  

---

How does and Earth Fault Relay operates in DG set control panel?

1 Answers   Cummins, University,

---

1.how to calculate energy units in our home at singe phase, 2.415V,63A wiring what will use thickness of wire

2 Answers  

---

what is the criteria for selecting fuse rating in 1phase, 2phase & 3phase welding sets?

0 Answers  

---

How do we calculate Blower drive Power (kw) If we have Volume m3 and Pressre (mmWC)

1 Answers  

---

what isthe emf eqation of a transformer

7 Answers  

---

How many types of DC current

2 Answers  

---

how much allowable resistance that can be difference in motor all coils?

0 Answers  

---

why we r using 4-20ma instead of 0-20ma in instrumentation

2 Answers   EID Parry,

---