Manufacturing And Production Technology
Jigs are used

For holding and guiding the tool in drilling, reaming or tapping operations
To check the accuracy of workpiece
None of these
For holding the work in milling, grinding, planing or turning operations

ANSWER DOWNLOAD EXAMIANS APP

Manufacturing And Production Technology
When the temperature of a solid metal increases,

Both strength and ductility of the metal increases
Strength of the metal decreases but ductility increases
Both strength and ductility of the metal decreases
Strength of the metal increases but ductility decreases

ANSWER DOWNLOAD EXAMIANS APP