Machine Design Which one of the following is a positive drive? Rope drive Crossed flat belt drive V-belt drive Chain drive Rope drive Crossed flat belt drive V-belt drive Chain drive ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bolt of M 24 × 2 means that The nominal diameter of bolt is 24 mm and pitch is 2 mm The effective diameter of bolt is 24 mm and there are 2 threads per cm The pitch of the thread is 24 mm and depth is 2 mm Cross-sectional area of the threads is 24 mm² The nominal diameter of bolt is 24 mm and pitch is 2 mm The effective diameter of bolt is 24 mm and there are 2 threads per cm The pitch of the thread is 24 mm and depth is 2 mm Cross-sectional area of the threads is 24 mm² ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the distance between the rows of rivets, for equal number of rivets in more than one row for lap joint or butt joint (chain riveting) shall not be less than 2.5 d d 1.5 d 2 d 2.5 d d 1.5 d 2 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (neglecting centrifugal tension) will be equal to (Where, Pc is centrifugal tension) [⅟₂ × (P1 + P2)] + Pc P1 - P2 ⅟₂ × (P1 + P2) P1 + P2 [⅟₂ × (P1 + P2)] + Pc P1 - P2 ⅟₂ × (P1 + P2) P1 + P2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 2.5 3.0 2.8 3.5 2.5 3.0 2.8 3.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A feather key is generally Loose in shaft and tight in hub Tight in shaft and loose in hub Loose in both shaft and hub Tight in both shaft and hub Loose in shaft and tight in hub Tight in shaft and loose in hub Loose in both shaft and hub Tight in both shaft and hub ANSWER DOWNLOAD EXAMIANS APP
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