Machine Design For tight leakage joints, following type of thread is best suited NPT (national pipe threads). Metric Buttress Square NPT (national pipe threads). Metric Buttress Square 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 3.5 3.0 2.8 2.5 3.5 3.0 2.8 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Allen bolts are Self locking bolts Designed for shock load Provided with hexagonal depression in head Used in aircraft application Self locking bolts Designed for shock load Provided with hexagonal depression in head Used in aircraft application ANSWER DOWNLOAD EXAMIANS APP
Machine Design The designation M 33 × 2 of a bolt means Bolt of 33 mm nominal diameter having 2 threads per cm Metric threads of 33 numbers in 2 cm Metric threads of 33 mm outside diameter and 2 mm pitch Metric threads with cross-section of 33 mm Bolt of 33 mm nominal diameter having 2 threads per cm Metric threads of 33 numbers in 2 cm Metric threads of 33 mm outside diameter and 2 mm pitch Metric threads with cross-section of 33 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will Have contact at the bottom most of the bearing Move towards left of the bearing making metal to metal contact Move towards right of the bearing making the metal to metal contact Move towards right of the bearing making no metal to metal contact Have contact at the bottom most of the bearing Move towards left of the bearing making metal to metal contact Move towards right of the bearing making the metal to metal contact Move towards right of the bearing making no metal to metal contact ANSWER DOWNLOAD EXAMIANS APP
Machine Design The strength of the unriveted plate (P) per pitch length is equal to p.t.σt (p - d) σt p.d.σt (p - d) t.σt p.t.σt (p - d) σt p.d.σt (p - d) t.σt ANSWER DOWNLOAD EXAMIANS APP
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