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Q: The center needle of the attachment of the vicat plunger projects the circular cutting edge by
  • A. 0.2 mm
  • B. 0.5 mm
  • C. 1 mm
  • D. 5 mm
Correct Answer: Option B - Vicat's apparatus is used to find out the consistency, initial setting time and final setting time of the cement. The center needle of the attachment of the vicat plunger projects the circular cutting edge by 0.5mm.
B. Vicat's apparatus is used to find out the consistency, initial setting time and final setting time of the cement. The center needle of the attachment of the vicat plunger projects the circular cutting edge by 0.5mm.

Explanations:

Vicat's apparatus is used to find out the consistency, initial setting time and final setting time of the cement. The center needle of the attachment of the vicat plunger projects the circular cutting edge by 0.5mm.