Question No : 1
The soft grade grinding wheels are denoted by the letters
Question No : 2
Gears can be best produced on mass production by
Question No : 3
The hardness of a grinding wheel is specified by
Question No : 4
In drilling operation, the metal is removed by
Question No : 5
The width of cutting edge of a parting off tool varies from
Question No : 6
The chuck used for setting up of heavy and irregular shaped work should be
Question No : 7
The common welding error that occurs due to shrinkage of weld metal, faulty clamping of parts, faulty penetration or overheating at joints is called?