Chemical Engineering Basics
Oxygen cylinders used for autogenous (cutting/welding) purposes are

Made by sand casting
Heat treated before use
Seamless & made of steel
Welded steel cylinders

ANSWER DOWNLOAD EXAMIANS APP

Chemical Engineering Basics
In extrusion of metals, which of the following statement is true ?

Speed of the extruded material is same as that of ram speed
Redundant work is a function of the die angle
Relative motion between the billet surface and the container wall is always present
Hollow ram is used for indirect extrusion

ANSWER DOWNLOAD EXAMIANS APP