Answer / sreekanth rodda

MIG Welding requires low current

Answer / rajasekhar

M.S pipeline manufacturing

Answer / rahul

Becoz in DC there are no polarity change during welding.

What is an expansion valve and its purpose?

0 Answers   RRB,

---

What are the requirements of a good fuel?

4 Answers  

---

If the black box flight recorder is never damaged during a plane crash, why not the whole airplane made out of that stuff?

0 Answers  

---

• What is your weakness?

0 Answers   NTPC,

---

what is the purpose of reheating the fuel in gas turbine

5 Answers  

---

what is the major purpose to choose the type of casting whether gravity,pressure,low poressure&shell moulding?

2 Answers   Hyundai,

---

What is a blow down valves?

2 Answers   ABC Inc, RRB, Siemens,

---

Suppose there are two vessels. One of diameter = D and other vessel dia = d. Suppose in vessel with dia D, water is filled upto height H and vessel with dia d is empty. Now both vessels are connected.Water will flow from D dia vesel to small d dia vessel.Suppose after equilibrium height of water in vessel with dia D is h. How much is h in terms of D, d,H etc?

14 Answers   BARC,

---

what is diffusion heat transfer

2 Answers  

---

Which has higher spring effect during transmitting power - between solid & hollow shaft having same Outer Dia., Length, material,making process, heat treated and coated?

1 Answers  

---

Why stainless steel is corrosion resistant?. What is stress corrosion cracking?.

6 Answers   Dr Reddys, IGCAR, Reddy Labs,

---

The pattern material used in Investment casting Process is?

5 Answers   HAL,

---