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The counter-flap hinge has two centres.(a) True(b) FalseI have been asked this question in unit test.This key question is from Doors, Windows and Ventilators topic in portion Doors, Windows and Ventilators of Construction & Building Materials |
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Answer» CORRECT option is (a) True To elaborate: A counter-flap hinge is FORMED in three PARTS. There are two CENTERS in a counter-flap hinge. |
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