How much gold concentration should be in the organic phase (dbc) before reduction by oxalic acid solution?

590

---

What is iron ferrite and what is it used for?

514

---

A plain carbon steel contains 45 wt% of proeutectoid ferrite. What is its average carbon content in weight percent? I know that you need to use a tie line in the phasediagram, but my book does not really give a good example to go by?

712

---

For what reason would an aluminum casting, when applied with a powder coated paint finish, cause a poor finish to the paintwork.

537

---

When we do cardonitriding or casehardening operation for a plain carbon steel the case depth, hardness & microstructure are not alike why and what are the basicthing, which makes such a difference.

505

---

What is the difference between diagrams of it and ct in heat treatment of steels?

549

---

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?

493

---

What metal cord transfers electricity, and how can I tell?

480

---

what is the meaning of number in (11, 31, 61,14, etc. CDG11, CDG31, CDG61, DDT32

888

---

what is the hardness of ohns before heat treatment process and hardness of en series before heat treatment process

492

---

What is the difference between scpc and mcpc?

449

---

When pilot is assigned a speed, how much can one deviate from that speed?

645

---

What will be the responsibility of the spacecraft dynamics?

685

---

Explain what made you choose aerospace engineer line as your career?

605

---

Explain what would you do if your captain is not following the instructions properly?

621

---