Discussion :: Workshop Technology
- Riddle is used for
|
A.
Smoothing and cleaning out depressions in the mould |
|
B.
Cleaning the moulding sand |
|
C.
Moistening the sand around the edge before removing pattern |
|
D.
Reinforcement of sand in the top part of moulding box |
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Answer : Option B
Explanation :
A riddle is typically used to improve soil quality by allowing the gardener to sieve through soil and remove stones, twigs, large lumps of clay etc. and hence provide a finer tilth.
Riddles may also be used to help remove soil from harvested vegetables.
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