Chemical Engineering :: Chemical Engineering Basics-2
- Pick out the wrong statement.
- Diamagnetic materials
- Reynolds number of a fluid flowing in a circular pipe is 10000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30% ?
- Dielectric
- Largest application of laser welding is in __________ welding.
- A dense structure of grinding wheel is not used for the
- The hardness of a grinding wheel is specified by the
- Addition of silicon to cast iron
A.
For a pressure vessel to be classified as 'thin vessel', the ratio of wall thickness to mean radius is less than 0.1 |
B.
For calculating forces and efficiency of rivetted joint, either rivet diameter or rivet hole diameter is used in case of pressure vessel and in structural work |
C.
Longitudinal joint is normally made butt joint to maintain the circularity of the vessel |
D.
Maximum diameter of the opening provided in a pressure vessel, which does not require any compensation is 200 mm |