Directions: The following 12 (Twelve) items consist of two statements: one labeled as the ‘Assertion (A)’ and the other as ‘Reason (R)’. You are to example these two statements carefully and select the answer to these items using the codes given below:
Assertion (A) : Spiral bevel gears designed to be used with an offset in their shafts are called ‘Hypoid gears’.
Reason (R) : The pitch surfaces of such gears are hyperboloids of revolution.