Statement I): Hollow shafts are preferred in propeller shafts of airplanes.
Statement II): Use of hollow shafts affords considerable reduction in the weight of the shaft for equal performances.
1
Both Statement I) and Statement II) are individually true and Statement II) is the correct explanation of Statement I)
2
Both Statement I) and Statement II) are individually true but Statement II) is not the correct explanation of Statement I)
3
Statement I) is true but Statement II) is false
4
Statement I) is false but Statement II) is true