Answer / milind parashar

Ingress Protection Rating consists of the letters IP
followed by two digits and an optional letter.It classifies
the degrees of protection provided against the intrusion of
solid objects (including body parts like hands and
fingers), dust, accidental contact, and water in electrical
enclosures
IP55-(5)dust protected,(5)Water projected by a nozzle
against enclosure from any direction shall have no harmful
effects
IP54-(5)dust protected,(4)Water splashing against the
enclosure from any direction shall have no harmful effect
IP66-(6)dust tight,(6)powerful water jets

Answer / preveen

shall specify "louvers"

How many types of instrument cables are there?

0 Answers  

---

what is the role of energy meter in distribution system ???? technical and non technical losses in distribution system????

1 Answers  

---

in ACB breaker requireding 3200Amps. buscoupler getting OFF mode and again it reset and getting normal position give me a required answer?

0 Answers  

---

Dear sir, How to calculate 3.5 core pvc aluminium armoured cable meter wise,give with best examples.... please help me in this regards....

1 Answers   Modi Builders,

---

What loads the lagging and leading effects comes in a circuit?

5 Answers  

---

what are the various parts of airconditioning system used in train and its working

1 Answers  

---

Why are the voltage levels in a powersystem are 11KV,33KV etc., why not 10KV,30KV?

2 Answers  

---

what is the diff b/w HP and KW

10 Answers  

---

Which type of losses in transmission Line

2 Answers  

---

how to find out capacitor range?

2 Answers  

---

george phenomenon of synchronous machine

0 Answers   JU,

---

what is inductance function?

3 Answers  

---