Workshop Technology
The fullers are used

To finish the punched hole
For finishing flat surfaces
For punching a hole
For necking down a piece of work

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
Riddle is used for

Cleaning the moulding sand
Moistening the sand around the edge before removing pattern
Smoothing and cleaning out depressions in the mould
Reinforcement of sand in the top part of moulding box

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
In a compound die

Two or more operations are performed simultaneously at the single stroke of the ram
Two or more cutting operations are performed at one station of the press in every stroke of the ram
Only one operation is performed at each stroke of the ram
Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
During hot working of metals

Grain structure of the metal is refined
Mechanical properties are improved due to refinement of grains
Porosity of the metal is largely eliminated
All of the listed here

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