What do you mean by bulking?
(a) The volume increase of fine aggregate due to presence of moisture content in it
(b) The moisture present in aggregate forms a film around each particle
(c) Fine aggregate shows completely realistic volume
(d) The state of setting someone or something apart from others
I have been asked this question in a job interview.
This question is from Bulking of Aggregates in section Aggregates and Testing of Aggregates of Concrete Technology