Answer Posted / chetan panchal

Cast iron is an alloys which contain more than 2 % Carbon. there are two types of cast iron. one is grey cast iron and other is spheroidal graphite iron of ductile iron which is treated with Magnesium with grey cast iron.

carbon: more than 2%
Si: 1.8-2.3%
Mn:0.5-0.8% max
P:max 0,01%
S:<0.02%
Cu: can be less than 1%

What are the characteristics of Freon 12?

2354

---

Why is heat treatment required?

1183

---

why we transfer FA(full arc) to PA(partial arc) in steam turbine at specified load?

2266

---

Explain the procedure in staring a F.O. purifier

2336

---

respected sir/madam.. i wish to know about the latest mechanical inventions and improvements... hwere can i get them... please respond to me through my id

2018

---

If a person is working in R&D organisation but he has not been involved in R&D activities. So Which types of questions may be asked if he wants to get opporunity in mechanical R&D activities?

3407

---

Why rockets using liquid hydrogen have higher specific impulse compared to liquid hydrocarbon ?

1102

---

What causes crankcase explosion?

2437

---

how to select a pump (in hp) for lifting water from a Borewell upto a height of 320feet? Is there any thumb rule?

2108

---

How to calculate motor bearing life - cycle (life time) (SKF bearing) how determine the capacity of refrigeration system? how we use condenser coils, compressor, capillarity,compressor how determine the capacity of refrigeration system? how we use condenser coils, compressor, capillarity,compressor what is rigging

3151

---

• What is your weakness?

2011

---

Hoew to represent unilateral tolerance, as Bilateral tolerance in engg drawing...? Example: 1.295 +0.000 and -0.10, as unitolerance, write the value in bilateral tolerance?

1910

---

Which is the hardest material on earth?

1284

---

how can we calculate the size of bearing with the size of plummer block?

3131

---

give me an example of time when u something u tried to accomplish and failed.

1883

---