Workshop Technology
Riddle is used for

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

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
A progressive limit gauge has

None of the listed here
'Go' and 'Not go' member on the same side of the gauge
Separate 'Go' and 'Not go' members
'Go' member at one end and 'Not go' member at the other end

ANSWER DOWNLOAD EXAMIANS APP