i am trying to select the correct grade steel for a shaft that will have a flap on it weighing about 4.5 tons being forced up with hydraulic rams. can someone tell me what grade the shaft should be and if it should be stainless steel or not

2 Answers   Rainford EMC Systems,

---

1) Any pipe line working fluid may water / steam on it one manual isolation valve suppose one side of valve 6 kg/ cm^2 pressure (i.e. up stream) and other side is “ 0” kg/ cm^2 pressure(i.e. down stream) . So how much Tourqe required for opening the valve in terms of Newton force wheather normal man can open this valve. (for reference pipe nominal bore is 100 NB )

0 Answers   Ansaldo,

---

Explain the function of cooling water expansion tank.

0 Answers   RRB,

---

how to select the capacity of an exhaust blower( exhaust booth) in an automobile industry.

0 Answers   MSP, TATA,

---

whether a spehrical ballon rises faster or a cylindrical ballon?

10 Answers  

---

present salary with all benefits (ctc) please give breakup it possible ?

0 Answers  

---

What is Ohms law?

1 Answers   RRB,

---

how many nozzles in gas inlet in siemens v 94.3a

1 Answers  

---

Explain the difference between projectile motion and trajectory?

0 Answers  

---

What are the protections in a Diesel generator Engine?

0 Answers   Wartsila,

---

Why preferred Production than Drilling?

0 Answers   ONGC,

---

how many filters at durty side in air intake system in siemens v 94.3a

0 Answers  

---