Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (according to Barth) will be equal to (Where, Pc is centrifugal tension) ⅟₂× (P1 + P2) P1 + P2 [⅟₂ × (P1 + P2)] + Pc [(√P1 + √P2)/2]² ⅟₂× (P1 + P2) P1 + P2 [⅟₂ × (P1 + P2)] + Pc [(√P1 + √P2)/2]² ANSWER DOWNLOAD EXAMIANS APP
Machine Design The square threads are usually found on Railway carriage couplings Spindles of bench vices Feed mechanism of machine tools Screw cutting lathes Railway carriage couplings Spindles of bench vices Feed mechanism of machine tools Screw cutting lathes ANSWER DOWNLOAD EXAMIANS APP
Machine Design The railway carriage couplings have Buttress threads Acme threads Square threads Knuckle threads Buttress threads Acme threads Square threads Knuckle threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a hydrodynamic lubricated bearing There is a thin film of lubricant between the journal and the bearing There is a thick film of lubricant between the journal and the bearing There is no lubricant between the journal and the bearing The lubricant is forced between the journal and the bearing, by external pressure There is a thin film of lubricant between the journal and the bearing There is a thick film of lubricant between the journal and the bearing There is no lubricant between the journal and the bearing The lubricant is forced between the journal and the bearing, by external pressure ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct, for two shafts connected in parallel? Torsional stiffness of each shaft is the same Angle of twist of each shaft is the same Shear stress in each shaft is the same Torque in each shaft is the same Torsional stiffness of each shaft is the same Angle of twist of each shaft is the same Shear stress in each shaft is the same Torque in each shaft is the same ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be a self locking screw, if its efficiency is None of these More than 50% Less than 50% Equal to 50% None of these More than 50% Less than 50% Equal to 50% ANSWER DOWNLOAD EXAMIANS APP
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