Question

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 performance.

• A. Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
• B. Both Statement (I) and Statement (II) are individually true but Statement (II) is NOT the correct explanation of Statement (I)
• C. Statement (I) is true but Statement (II) is false
• D. Statement (I) is false but Statement (II) is true

Answer 1

The correct option is A Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)

Hollow shaft is more strong as compared to solid shaft for same volume and same material.