Machine Design Screws used for power transmission should have Strong teeth Very fine threads High efficiency Low efficiency Strong teeth Very fine threads High efficiency Low efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design Wire ropes as compared to cotton ropes All of these Are lighter in weight Offer silent operation Can withstand shock loads All of these Are lighter in weight Offer silent operation Can withstand shock loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the levers of third type, the mechanical advantage is __________ one. More than Less than None of these Equal to More than Less than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bolt of uniform strength can be developed by Keeping the core diameter of threads equal to the diameter of unthreaded portion of the bolt Keeping the nominal diameter of threads equal to the diameter of unthreaded portion of the bolt None of these Keeping the core diameter smaller than the diameter of the unthreaded portion Keeping the core diameter of threads equal to the diameter of unthreaded portion of the bolt Keeping the nominal diameter of threads equal to the diameter of unthreaded portion of the bolt None of these Keeping the core diameter smaller than the diameter of the unthreaded portion 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 (according to Barth) will be equal to (Where, Pc is centrifugal tension) [⅟₂ × (P1 + P2)] + Pc ⅟₂× (P1 + P2) [(√P1 + √P2)/2]² P1 + P2 [⅟₂ × (P1 + P2)] + Pc ⅟₂× (P1 + P2) [(√P1 + √P2)/2]² P1 + P2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., when the thickness of boiler shell (t) is greater than 8 mm, then the diameter of rivet hole (d) is obtained by Equating tearing resistance of the plate to the shearing resistance of the rivets Equating shearing resistance to the crushing resistance of the rivets Equating tearing resistance of the plate to the crushing resistance of the rivets None of these Equating tearing resistance of the plate to the shearing resistance of the rivets Equating shearing resistance to the crushing resistance of the rivets Equating tearing resistance of the plate to the crushing resistance of the rivets None of these ANSWER DOWNLOAD EXAMIANS APP
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