Machine Design The designation M 33 × 2 of a bolt means 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 Bolt of 33 mm nominal diameter having 2 threads per cm Metric threads of 33 numbers in 2 cm ANSWER DOWNLOAD EXAMIANS APP
Machine Design For steel, the ultimate strength in shear as compared to ultimate strength in tension is 43833 43864 43834 43832 43833 43864 43834 43832 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Wire ropes as compared to cotton ropes Offer silent operation Are lighter in weight Can withstand shock loads All of these Offer silent operation Are lighter in weight Can withstand shock loads All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw will be self locking, if Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is more than helix angle Friction angle is less than helix angle Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is more than helix angle Friction angle is less than helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given by Where m = mass of belt per meter (kg/m) v = belt velocity (m/s) f = coefficient of friction a = angle of wrap (radians) (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the Sum of the initial tension and external load applied Initial tension or external load, whichever is greater Initial tension External load applied Sum of the initial tension and external load applied Initial tension or external load, whichever is greater Initial tension External load applied ANSWER DOWNLOAD EXAMIANS APP
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