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________________ are cranes of Swing jib type and are mounted on high Steel Towers.(a) Cableways(b) Swing jib(c) Tower(d) GoliathThis question was addressed to me by my college professor while I was bunking the class.Origin of the question is Hoisting Equipments in portion Construction Equipments of Construction & Building Materials

Answer»

Right option is (c) TOWER

To elaborate: The height of Tower MAYBE 25 to 30 meters and these cranes are found to be extremely useful in the construction of tall buildings in congested area. The ground area required for such cranes is also very small and they can be PREPARED very close to buildings.



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