Machine Design The material used for brake lining should have __________ coefficient of friction. None of these Low High Moderate None of these Low High Moderate ANSWER DOWNLOAD EXAMIANS APP
Machine Design Maximum principal stress theory is applicable for Ductile materials Elastic materials All of these Brittle materials Ductile materials Elastic materials All of these Brittle materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 2.8 3.0 3.5 2.5 2.8 3.0 3.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for precision metallic gears cut with high accuracy and operating at velocities up to 20 m/s is equal to 0.75/ (0.75 + √v) 4.5/ (4.5 + v) 3/ (3 + v) 6/ (6 + v) 0.75/ (0.75 + √v) 4.5/ (4.5 + v) 3/ (3 + v) 6/ (6 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design 18/8 steel contains 18% vanadium and 8% nickel 18% nickel and 8% vanadium 18% chromium and 8% nickel 18% nickel and 8% chromium 18% vanadium and 8% nickel 18% nickel and 8% vanadium 18% chromium and 8% nickel 18% nickel and 8% chromium ANSWER DOWNLOAD EXAMIANS APP
Machine Design If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation 168 d 124 d 138 d 151 d 168 d 124 d 138 d 151 d ANSWER DOWNLOAD EXAMIANS APP
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