The intrados of the flat arch is horizontal but the extrados has a straight camber or upward curvature.

Related MCQs

• The perpendicular distance between the intrados and extrados of an arch, is called
• In rough brick arches, the joints at the extrados are wider than those at the intrados.
• In a flat arch, the skew back is made to rest in an inclined position so as to make an angle of
• The highest point on the extrados is called
• The vertical distance between the springing line and the highest point on the intrados is called
• The lower portion of an arch between the skew back and crown is called
• The span of an arch is
• The wedge shaped unit (voussoir) placed at the crown of an arch, is called
• The surface of the abutment on which the arch rests, is known as
• The depth of arch is the