Building Materials
Soundness of cement is tested by

Vicat's apparatus
Compressive strength testing apparatus
Le-chatelier apparatus
None of these

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Building Materials
A queen closer is a

Brick with half the width at one end and full width at the other
Brick laid with its breadth parallel to the face or direction of wall
Brick laid with its length parallel to the face or direction of wall
Brick having the same length and depth as the other bricks but half the breadth

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