Workshop Technology
The metal patterns as compared to wooden patterns require less

Machining allowance
Shrinkage allowance
Distortion allowance
Draft allowance

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
Notching is the operation of

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

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
Riddle is used for

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

ANSWER DOWNLOAD EXAMIANS APP