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An ___________ is a structure which is constructed to span across an opening.(a) Doors(b) Windows(c) Arches(d) BridgesThis question was posed to me during an online exam.This interesting question is from Arches Technical Terms in section Arches, Lintels, Stairs and Formwork of Construction & Building Materials

Answer»

Right CHOICE is (c) Arches

For explanation: Arches generally consist of small wedge shaped unit which are joined together with mortar. However, the arches MADE of steel and RCC are built in single units WITHOUT the use of wedge shaped unit and they are used for the bridge construction.



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