how to calculate units consumption for a 12 hp motor /hr.

0 Answers  

---

how many parameters can integrate with fire alarm basically ?

0 Answers   Schneider,

---

Can we connect more than one NGR at a time of different rating of generators. what is advantage or disadvantage.

2 Answers  

---

why in the three pin plug all 3 pins are cutted ?

0 Answers  

---

what are the types of basic earthing?and why we are doing that?

3 Answers   Bharti,

---

why do we use LPF wattmeter not UPF in the experiment of no load and blocked rotor test of 3phase slipring induction motor?

3 Answers   Matrix,

---

where used impendence relay?

3 Answers  

---

If two hack saw blades, seperated by 1mm thick paper,are connected across 230volts, and immersed in water,then they start getting heat. This is fact,i dont know how they get heated.Blades are not directly connected together. Please if anybody knows the fact ,revert back to me

3 Answers  

---

where does core based current transformer is used? and what is the value of lux in a work station?

1 Answers   Space Matrix,

---

Why have the transformer one earthing to their neutral? Why have the transformer many earthing to their body?

1 Answers  

---

ho can we calculate the conductor insulation value according to their ratings like voltage,current etc.how insulation value related with voltage,current and power of amachine

0 Answers  

---

why we use 3 phase in our country?..why no 4,5 or 2??

2 Answers   Siemens,

---