Answer / lnp

IP stands for Ingress Protection . i.e. Protection against Ingress of solid particles and water. The first Digit indicates solid particles up to 1mm can not enter the equipment and second digit indicates that water sprayed from any directon cannot enter the equipment.

what is deffrent alternatid and gernater

2 Answers  

---

which cable is used for 15 Hp monoblock pump 3phase and service wire Distance is 210 feet please tell me cable size Armaured

0 Answers  

---

the total iron closs in a transformer core at normal flux density was measured at 25hz and 5ohz and was found to be 250w and 800w respectively.the hysteresis loss at 50hz would be................?????

1 Answers   ABB,

---

how to get more than 1000 ohms between 2 earth pits ?

2 Answers   HCL,

---

how to calculate the formula of cable size if motor kw is given

0 Answers   APT,

---

---

what is mind in cable

0 Answers   BARC,

---

What is auto reclose system in Circuit breakers

1 Answers  

---

The mechanical angle is electrical angle A always less than B greater than or equal to C equal to D less than or eaual to

1 Answers  

---

1.why we are using metal oxide gapless block in lightning arrester,2.What is minimum and maximum rating of metal oxide blocks using in india

0 Answers   Areva,

---

How to calculate current carrying capacity of copper conductor _ such as cable size 25sq mm,50 sq mm, 75 sq mm, 100 sq mm

2 Answers  

---

Is there is any hazard to insulation of 3hp motor 5 KV megger is used for it?

1 Answers  

---

hello everybody. what does an abnormal stator winding impedance or dc resistance show? thanx

0 Answers   Ansaldo,

---