Discussion
Setting time of cement is determined using :
Answer: C
The setting time of cement is determined with the Vicat apparatus.
The Vicat apparatus has a needle of standard weight that is lowered onto cement paste. The initial setting time is when the needle no longer penetrates to within a set distance of the bottom of the mould; the final setting time is when an annular attachment no longer marks the surface. The same apparatus is used to find the paste's standard consistency.
A Bunsen apparatus is a gas burner, and 'Berner' and 'Burden' apparatus are not cement-testing instruments.
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