after how many spot we must chang secondry cable in portable spot welding gun?

0 Answers  

---

What is the meaning of utility ground and clean ground? How the distribution panel is grounded?

0 Answers  

---

ACCORDING TO IEC WHAT SHOULD BE THE MINIMUM HEIGHT OF G.I. STRUCTURE OF CT, PT, ISOLATOR, LA?

0 Answers  

---

What is boucholz relay and the significance of it in to the trformer?

0 Answers  

---

What is referred to the electron in the outer orbit?

0 Answers  

---

which element is neglected during fault calculation? a)resistance b)inductance c)capacitance d)reactance

4 Answers  

---

what are the range of memory address in plc for L&T lx7 4A

0 Answers  

---

How much current can 11KV line carry? What are the formulae used to calculate current across both side of transformer? Moreover I need to know can I connect 33KV line with transformer of 1600KVA? Details are: V=415, Pf= .9

3 Answers  

---

After fault clearing in Tr line, whether the Metering core of CT is comes to normal condition from saturation region & its works as a normal condition?

1 Answers  

---

can we use CBCT in neutral of solidly grounded transformer? in place of three phases we can pass only one phase which decreases the size of CBCT?

0 Answers   UPSC,

---

EXPLAIN THE FOLLWING: (1) BANDWIDTH (2) SELECTIVITY (3) RESONANT FREQUENCY (4) CURRENT MAGNIFICATION

1 Answers  

---

what is relation between torque and speed / rpm?

1 Answers  

---