Can any One Help me to Know about Fire hydrant and its related water Pressures

0 Answers   Matrix,

---

What is difference between npn & pnp sensors?

0 Answers  

---

On what bases time study methods can be calculated?

0 Answers  

---

what is the need of rectifier?

0 Answers  

---

if zero ohm is not adjusted on shorting the two terminal of multimeter what does it indicate

0 Answers  

---

---

ANY ONE USED/INTERFACED CITECT VERSION 6.0/1 OR 7.0/1 TO SIEMENS S7-300 OR S7-400 CONTROLLER IF PLEASE TELL ME THE COMMUNICATION STRUCTURE AND ADDRESS CONSIDERATION FOR DI,DO,AI,AO please mail the details lok_pallapolu@yahoo.com Ph:09247513753 hyderabad

0 Answers  

---

I want to know about a good liquid scrubber that we can use in acid washing.

0 Answers  

---

Off Load Tap changer generator Step-up Transformer, My question is, is safe to operate the tap say I want to change the tap position from 3 to 4, there is not load on the transformer but a 22000v 0r 1100 v is present on the secondary side from the common Bus *22000V/415 v

1 Answers  

---

How to check DC Motor & SERVO Motor?

0 Answers  

---

What is different between preventive maintenance and maintenance?

0 Answers  

---

Why virtual corporation is used?

0 Answers  

---

what is the standard time in production management ?

0 Answers   University,

---