Machine Design If the tearing efficiency of a riveted joint is 75%, then the ratio of diameter of rivet to the pitch is equal to 0.6 0.5 0.25 0.2 0.6 0.5 0.25 0.2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a boundary lubricated bearing, there is a __________ of lubricant between the journal and the bearing. None of these Thick film Thin film Either A or B None of these Thick film Thin film Either A or B ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centre distance between two meshing involute gears is equal to Sum of base circle radii/cosφ Sum of pitch circle radii/cosφ Difference of base circle radii/cosφ Difference of pitch circle radii/cosφ Sum of base circle radii/cosφ Sum of pitch circle radii/cosφ Difference of base circle radii/cosφ Difference of pitch circle radii/cosφ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear plane in case of bolts should Be parallel to axis of bolt Be across threaded portion of shank Be normal to threaded portion of shank Never be across the threaded portion Be parallel to axis of bolt Be across threaded portion of shank Be normal to threaded portion of shank Never be across the threaded portion ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., when the thickness of the boiler shell (t) is less than 8 mm, then the diameter of the rivet hole (d) is obtained by Equating shearing resistance to the crushing resistance of the rivets Equating tearing resistance of the plate to the crushing resistance of the rivets Equating tearing resistance of the plate to the shearing resistance of the rivets None of these Equating shearing resistance to the crushing resistance of the rivets Equating tearing resistance of the plate to the crushing resistance of the rivets Equating tearing resistance of the plate to the shearing resistance of the rivets None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to avoid tearing of the plate at an edge, the distance from the centre line of the rivet hole to the nearest edge of the plate should be equal to (where d = Diameter of rivet hole) 2 d 1.5 d 2.5 d 1 d 2 d 1.5 d 2.5 d 1 d ANSWER DOWNLOAD EXAMIANS APP