Workshop Technology
The instrument used to measure external and internal diameter of shafts, thickness of parts and depth of holes, is

Depth gauge micrometer
Outside micrometer
Inside micrometer
Vernier caliper

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
Lancing is the operation of

Cutting a sheet of metal through part of its length and then bending the cut portion
Cutting a sheet of metal in a straight line along the length
Bending a sheet of metal along a curved axis
Removal of metal to the desired shape from the edge of a plate

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
During hot working of metals

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

ANSWER DOWNLOAD EXAMIANS APP