Workshop Technology
The binder commonly used in making oil sand, is

Any one of the listed here
Inorganic type binder
Clay type binder
Organic type binder

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
Piercing is an operation of cutting

A hole (other than cylindrical) in a sheet of metal by the punch and the die
A number of holes evenly spaced in a regular pattern on a sheet of metal
A flat sheet to the desired shape
A cylindrical hole in a sheet of metal by the punch and the die

ANSWER DOWNLOAD EXAMIANS APP