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Q: ................ is used to ensure that the thickness of plastering is uniform.
  • A. Bull point
  • B. Pivot point
  • C. Bull mark
  • D. Bench mark
Correct Answer: Option C - When plastering on vertical surfaces, to ensure even thickness and true surface, 15 cm×15cm plaster is done at regular intervals to source as gauge (bull marks), the surface of these gauged areas shall be truly in plane or finished plaster surface.
C. When plastering on vertical surfaces, to ensure even thickness and true surface, 15 cm×15cm plaster is done at regular intervals to source as gauge (bull marks), the surface of these gauged areas shall be truly in plane or finished plaster surface.

Explanations:

When plastering on vertical surfaces, to ensure even thickness and true surface, 15 cm×15cm plaster is done at regular intervals to source as gauge (bull marks), the surface of these gauged areas shall be truly in plane or finished plaster surface.