Answer / ik3232

IP-43 Rating - The first digit designation "4" means
protection against "solid objects equal or greater than 1mm
(0.04") in diameter". The second digit "3" means protection
against "sprayed water" ; "Spray water falling
perpendicularly at an angle of up to 60-deg may not have any
damaging effects".

If u want More Details,then :
http://en.wikipedia.org/wiki/IP_Code#cite_note-0

how to calculate

0 Answers  

---

During the transients in alternator,the mechanical power input remains almost constant while the electrical power output changes significantly.Why?

1 Answers  

---

What is turbocharger in a generator?

2 Answers  

---

1.how to calculate energy units in our home at singe phase, 2.415V,63A wiring what will use thickness of wire

2 Answers  

---

derive the e.m.f equation of transformer

2 Answers  

---

Why we use three phase world wide why not four phase or five phase being used?

8 Answers  

---

why rating of motor in HP ?

2 Answers  

---

what is the diference between base speed and rated speed in motor

1 Answers   Bhel,

---

Why Transformer does not work in DC ?

5 Answers  

---

2. A current i=(10+10 sin t)amperes is passed through MI type ammeter. its reading will be.........

0 Answers   SSC,

---

There is no such thing as a Generator. All power generating devices are Alternator since both generate alternating current since this is the only way electrical power can be generated. In "generators" the alternating current is converted into DC inside the housing of the "generator" in order to give out DC Do you agree? If not please educate me. How else is DC generated if not like above?

2 Answers  

---

What Normal(Tangent) towers and Tension(Cut-point) Towers?

1 Answers   ABB, BGR Energy, NTPC, Powermec,

---