Machine Design In a flat belt drive, if the slip between the driver and belt is 1 %, between the belt and follower is 3% and driver and follower pulley diameters are equal, then velocity ratio of the drive will be 0.98 0.99 0.96 0.97 0.98 0.99 0.96 0.97 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 3 3.5 2.8 2.5 3 3.5 2.8 2.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the assembly of pulley, key and shaft Pulley is made the weakest Key is made the strongest Key is made the weakest All the three are designed for equal strength Pulley is made the weakest Key is made the strongest Key is made the weakest All the three are designed for equal strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design Tearing resistance required to tear off the plate per pitch length is (where p = Pitch of rivets, d = Dia. of rivet hole, and σt = Permissible tensile stress for plate material) p.d.σt p.t.σt (p - d) t.σt p.d.σt p.t.σt (p - d) t.σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The V-belts are particularly suitable for __________ drives. None of these Short Both A and B Long None of these Short Both A and B Long ANSWER DOWNLOAD EXAMIANS APP
Machine Design Eye bolts are used for Absorbing shock and vibrations Foundation purposes Lifting and transportation of machines and cubicles Transmission of power Absorbing shock and vibrations Foundation purposes Lifting and transportation of machines and cubicles Transmission of power ANSWER DOWNLOAD EXAMIANS APP
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