Machine Design In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle. Smaller than None of these Equal to Larger than Smaller than None of these Equal to Larger than ANSWER DOWNLOAD EXAMIANS APP
Machine Design The distribution of the forces along the length of key fitted in a shaft Is uniform throughout Varies exponentially, being less near the torque-input end Varies exponentially, being more near the torque-input end Varies linearly Is uniform throughout Varies exponentially, being less near the torque-input end Varies exponentially, being more near the torque-input end Varies linearly ANSWER DOWNLOAD EXAMIANS APP
Machine Design Yield point in fatigue loading as compared to static loading is Depends on other factors Lower Same Higher Depends on other factors Lower Same Higher ANSWER DOWNLOAD EXAMIANS APP
Machine Design A double fillet welded joint with parallel fillet weld of length 'l' and leg 's' is subjected to a tensile force 'P'. Assuming uniform stress distribution, the shear stress in the weld is given by √2P/s.l P/2.s.l P/√2.s.l 2P/s.l √2P/s.l P/2.s.l P/√2.s.l 2P/s.l 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 shearing resistance to the crushing resistance of the rivets Equating tearing resistance of the plate to the shearing resistance of the rivets None of these Equating tearing resistance of the plate to the crushing resistance of the rivets Equating shearing resistance to the crushing resistance of the rivets Equating tearing resistance of the plate to the shearing resistance of the rivets None of these Equating tearing resistance of the plate to the crushing resistance of the rivets ANSWER DOWNLOAD EXAMIANS APP
Machine Design A pressure vessel is said to be a thick shell, if the ratio of wall thickness to its diameter is Greater than 1/10 Equal to 1/10 Less than 1/10 None of these Greater than 1/10 Equal to 1/10 Less than 1/10 None of these ANSWER DOWNLOAD EXAMIANS APP