Answer / Ram Kumar Yadav

Not all metals are heavy. The weight of a metal depends on its atomic mass and density, which vary for different elements. For example, Lithium (atomic number 3) is the lightest metal while Osmium (atomic number 76) is one of the heaviest.

Can you explain the refrigeration cycle?

1 Answers   Essar,

---

what medal conducts heat best?

1 Answers  

---

what is the grain size of lead as an element and as an alloy such as lead tin alloy?

1 Answers  

---

What is the chemical composition of FCVS350 ?

1 Answers   JSW,

---

What are the compositions of brass, how can this metal be heat-treated, what is the melting point of this metal?

1 Answers  

---

How would a salt and water solution clean a penny but a vinegar and salt solution will not clean a penny? What is the cause of this?

1 Answers  

---

Explain dislocation theory?

1 Answers  

---

what is the difference beteeen Annealing and stress releaving

6 Answers  

---

Which method has more procity in cast part? Which method has more strength in cast part?

1 Answers  

---

Define what is the strongest metal?

1 Answers  

---

Why same casting has different hardness and machineability properties? One spot it is found hard for machining and another spot soft? It is FG 260 grade for Cast Iron.

4 Answers  

---

What is galvanising?

1 Answers   NIC,

---