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________________ is a Jack hammer mounted on a tripod with legs spread out to grant sufficient stability to the drill.(a) Wagon drill(b) Tripod drill(c) Steam hammer(d) Jack hammerI had been asked this question by my school teacher while I was bunking the class.I would like to ask this question from Equipments in section Construction Equipments of Construction & Building Materials

Answer»

Correct choice is (b) Tripod drill

To ELABORATE: In case of Tripod drill, it becomes necessary to frequently move the tripod drill to ADJUST for subsequent drilling work and HENCE, tripod drills are only used for drilling operations on very hard ROCKS.



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