Answer / nihar ranjan

Dross is a mass of solid impurities, which forms during smelting of low-melting point metals viz, Aluminium, Tin, Lead . As metal is melted, it oxidizes, forming a layer of scum and impurities which float to the surface as the metal heats up.

Scaling is mainly due to the presence of calcium and magnesium salts (carbonates or sulphates), which are less soluble hot than cold, or to the presence of too high concentration of silica.

Which reactor uses natural uranium as fuel ?

0 Answers  

---

my jindal interview is on 24th.. can anyone give me few tips regarding the same? lik how i shud prep

0 Answers  

---

HOW WOULD YOU FIND THE EXACT NUMBER OF WHITE MARUTI CARS IN MUMBAI???

2 Answers   HCL, Zycus Infotech,

---

How many isomers have the name bromomethylcyclopentane?

1 Answers  

---

how many type of engine?

7 Answers   L&T, SSB,

---

What is means turbine

8 Answers   Fiat,

---

What pressure is highest L.O. Gravity Head or S.W. of the stern tube circulation

0 Answers   RRB,

---

tell me 1 name of device where work & heat transfer is +ve

3 Answers  

---

What to write.. for perception about ntpc.. when you are applying for its interview?

0 Answers   NTPC,

---

Explain the terms solid solution, eutectic, eutectoid and peritectic.

0 Answers  

---

What is the difference between hydraulic and mechanical press machine

3 Answers   Carraro,

---

WHO IS A MITUTOYO,TESA,MAHR MAKE MEASURING INSTRUMENTS SUPPLIER IN INDIA.

1 Answers  

---