Machine Design The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress. One-third One-fourth One-half Double One-third One-fourth One-half Double ANSWER DOWNLOAD EXAMIANS APP
Machine Design Shear stress theory is applicable for Brittle materials Elastic materials Ductile materials All of these Brittle materials Elastic materials Ductile materials All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The elasticity is the property of a material which enables it to Draw into wires by the application of a tensile force Resists fracture due to high impact loads Regains its original shape after deformation when the external forces are removed Retain deformation produced under load permanently Draw into wires by the application of a tensile force Resists fracture due to high impact loads Regains its original shape after deformation when the external forces are removed Retain deformation produced under load permanently ANSWER DOWNLOAD EXAMIANS APP
Machine Design If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by N/Zp ZN/p Z/pN p/ZN N/Zp ZN/p Z/pN p/ZN ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the efficiency of a double riveted butt joint with double cover straps of equal width should be 63 to 70% 45 to 60% 70 to 83% 80 to 90% 63 to 70% 45 to 60% 70 to 83% 80 to 90% 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 τ/2 τ 4 τ 2 τ τ/2 τ 4 τ 2 τ ANSWER DOWNLOAD EXAMIANS APP
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