Machine Design Which one of the following is a positive drive? Crossed flat belt drive V-belt drive Chain drive Rope drive Crossed flat belt drive V-belt drive Chain drive Rope drive ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled spring is Equal Larger Larger/smaller depending on diameter of spring coil Smaller Equal Larger Larger/smaller depending on diameter of spring coil Smaller 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 2.5 3 3.5 2.8 2.5 3 3.5 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 3/ (3 + v) 0.75/ (0.75 + √v) 6/ (6 + v) 4.5/ (4.5 + v) 3/ (3 + v) 0.75/ (0.75 + √v) 6/ (6 + v) 4.5/ (4.5 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design A flanged pipe joint will be a leak-proof joint, if the circumferential pitch of the bolts is (where d = Diameter of bolt hole) Between 20d and 30d Greater than 30d Equal to inside diameter of pipe Less than 20d Between 20d and 30d Greater than 30d Equal to inside diameter of pipe Less than 20d ANSWER DOWNLOAD EXAMIANS APP
Machine Design A steel containing 0.8% carbon is known as Hypo-eutectoid steel Hypereutectoid steel None of these Eutectoid steel Hypo-eutectoid steel Hypereutectoid steel None of these Eutectoid steel ANSWER DOWNLOAD EXAMIANS APP
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