Why is post-weld heat treatment (stress relieving) sometimes necessary for welded vessels?

0 Answers  

---

I have Completed my B.Tech in Chemical Engineering from NIT Raipur, I want to prepare for HPCL Please Suggest me some books for Aptitude, Technical Questions & Please send me Previous Year Question Papers.

3 Answers   HPCL,

---

What are the different types of equipments for the conveyance of solids?

0 Answers  

---

How does hollow shaft impeller works? Does it based on principle of pitot tube?

0 Answers  

---

What effect does choking a vertical thermosiphon have on the heat transfer rate?

0 Answers  

---

---

How much steam required for 1MW power production form 30 bar G super heated steam(350 C), outlet of turbine 4.5 bar

0 Answers  

---

QUANTUM COMPUTING - EXAMPLE 32.1 : In quantum computing, let the amplitude A = a | 0 > + b | 1 >, | a | | a | + | b | | b | = 1. Find the values of b if A = 0.8 | 0 > + b | 1 >.

1 Answers  

---

Question 112 - In quantum computing, let the amplitude A = a | 0 > + b | 1 >, | a | | a | + | b | | b | = 1. Find the values of b if A = 0.8 | 0 > + b | 1 >.

1 Answers  

---

What are the strategies acquired to cure tube vibration and exchangers in a shell?

0 Answers  

---

white rust formation over zinc plated and yellow passivated fasteners during CED painting. WHY?

0 Answers   Wheels India,

---

i need sample question paper of hpcl entrance exam... in chemical engneering category... please mail me to mychitti07@yahoo.co.in

0 Answers  

---

Explain how is waste heat boilers categorized?

0 Answers  

---