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A _________________ roller consists of a flat platform below with number of smooth rubber tyre wheels are mounted on two or more axles.(a) Sheep’s foot(b) Pneumatic(c) Smooth wheeled(d) Dead weightThe question was posed to me in an interview for internship.This interesting question is from Earth Compaction Equipments topic in chapter Construction Equipments of Construction & Building Materials

Answer»

Correct answer is (b) Pneumatic

Easy explanation: The Rubber tyred or pneumatic rollers are found to be very efficient in the composition of earth UPGRADE, granular soils in base course, final operation for BITUMINOUS surface dressing, etc. In addition to the direct pressure due to ROLLING these rollers ALSO PROVIDE a slight kneading action.



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