In pebble dash, the size of pebbles used generally varies from ___________(a) 2-5 mm(b) 10-20 mm(c) 20-35 mm(d) 30-50 mmThe question was asked by my college director while I was bunking the class.I'd like to ask this question from Types of Plaster Finishes topic in section Pointing and Plastering of Construction & Building Materials

In pebble dash, the size of pebbles used generally varies from _______

1.	In pebble dash, the size of pebbles used generally varies from ___________(a) 2-5 mm(b) 10-20 mm(c) 20-35 mm(d) 30-50 mmThe question was asked by my college director while I was bunking the class.I'd like to ask this question from Types of Plaster Finishes topic in section Pointing and Plastering of Construction & Building Materials
Answer» The correct CHOICE is (b) 10-20 mm For explanation: In pebble dash, the size of pebbles used generally varies from 10-20 mm. These pebbles are dashed against the surface in order to keep them in POSITION. The pebbles may ALSO be lightly pressed in the mortar by using a wooden FLOAT.

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