Which pipes are used for steam lines?

 Distinguish between the shear center and elastic center.

Name two vital conditions of a perfect gas.

What is mean by greenfield project?

 What do you mean by cotter joint?

Define pitting.

What is the alloy of tin and lead?

What is the importance of tolerance in engineering?

 What is caustic embrittlement?

 Name the boiler that does not need a steam drum

 Explain the Otto cycle in brief.