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) P1 + P2 ⅟₂× (P1 + P2) [⅟₂ × (P1 + P2)] + Pc [(√P1 + √P2)/2]² P1 + P2 ⅟₂× (P1 + P2) [⅟₂ × (P1 + P2)] + Pc [(√P1 + √P2)/2]² ANSWER DOWNLOAD EXAMIANS APP
Machine Design A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be 2 τ 4 τ τ τ/2 2 τ 4 τ τ τ/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is 10 microns 0.1 micron 0.01 micron 1 micron 10 microns 0.1 micron 0.01 micron 1 micron ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear stress in a beam varies from zero at the outer fibers to a maximum at the________. Lower surface None of these Upper surface Neutral surface Lower surface None of these Upper surface Neutral surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design In helical bevel gearing, the axes of shafts are __________ and the teeth are curved. None of these Non-intersecting and non-parallel Intersecting Intersecting and non-parallel None of these Non-intersecting and non-parallel Intersecting Intersecting and non-parallel ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resultant axial load on a bolt depends upon Relative elastic yielding of the bolt and the connected members All of these Initial tension due to tightening of the bolt External load applied Relative elastic yielding of the bolt and the connected members All of these Initial tension due to tightening of the bolt External load applied ANSWER DOWNLOAD EXAMIANS APP
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