Machine Design In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft) 2 d 3 d 5 d 4 d 2 d 3 d 5 d 4 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Indian standard specifications, plain carbon steel designated by 40C8 contains carbon 0.35 to 0.45% 0.40 to 0.60% 0.20 to 0.40% None of these 0.35 to 0.45% 0.40 to 0.60% 0.20 to 0.40% None of these 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 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 Equating shearing resistance to the crushing resistance of the rivets Equating tearing resistance of the plate to the crushing resistance of the rivets 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 4 τ 2 τ τ/2 τ 4 τ 2 τ τ/2 τ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum shear stress theory is used for Nonferrous materials Plastic materials Ductile materials Brittle materials Nonferrous materials Plastic materials Ductile materials Brittle materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm) 2840 d 1680 d 2080 d 1420 d 2840 d 1680 d 2080 d 1420 d ANSWER DOWNLOAD EXAMIANS APP