Answer / sharada

IPXX is the "Ingress Protection" rating.
in IPXX first digit X stands for Degree of protection
against solid object. & second digit X stands for Degree of
protection against moisture or water
e.g. IP56 means protected against ingress of dust & heavy
seas or water projected in powerful jets.

Answer / sathish

We can represents the IPXX is to IPX1X2.
IP means "Ingress Protection" and also the X1 is Protection
against solid objects X2 is protection against Liquid
objects.

for examble:
IP45
4 denotes protected against solid objects over 1mm tools,
wires & small wires

5 denotes protected against liquid objects over low
pressured of water from all direction

what are the types of control systems to control the speed of the motor??

1 Answers  

---

what is the differnce between vector and phasor? are both same or there is difference between two term.?

6 Answers  

---

Why induction motor can not be operated at synchronous speed?? what would happen if it is operated at synchronous speed??

5 Answers  

---

What happens if we give the supply to the rotor of induction motor and make its terminal shorted?

2 Answers  

---

What is the amount of no load current of 630 kVA tranformer voltage ratio 11kV/440V ?

13 Answers  

---

what's the difference between abs/inc encoders. apart from the position remembrance what are all the other differences. and what's mean by grey code.

0 Answers  

---

How can we get d.c series motor characteristics by using a.c induction motor?

1 Answers   IIT,

---

Where can I get CPWD electrical shedule rates in web? please help me.

1 Answers  

---

What is FM200 Fire Supresion System??

3 Answers   Emerson,

---

please send me jindal previous aptitude and technical question and answer.my email id is deep_raj@live.com

0 Answers  

---

What is the use of IGBT in UPS & its working??????????

5 Answers   Reliance,

---

What is a circuit breaker contact multiplier relay?

2 Answers  

---