Machine Design For same pulley diameters, center distance, belt speed and belt and pulley materials, Open and crossed belt drives transmit same power Open belt drive transmits more power than crossed belt drive Power transmission does not depend upon open and crossed types of constructions Crossed belt drive transmits more power than open belt drive Open and crossed belt drives transmit same power Open belt drive transmits more power than crossed belt drive Power transmission does not depend upon open and crossed types of constructions Crossed belt drive transmits more power than open belt drive ANSWER DOWNLOAD EXAMIANS APP
Machine Design A metal pipe of 1 m diameter contains a fluid having a pressure of 1 N/mm². If the permissible tensile stress in the metal is 20 N/mm², then the thickness of the metal required for making the pipe will be 15 mm 5 mm 10 mm 25 mm 15 mm 5 mm 10 mm 25 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if the Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is more than helix angle Friction angle is equal to helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is more than helix angle Friction angle is equal to helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the Initial tension or external load, whichever is greater External load applied Initial tension Sum of the initial tension and external load applied Initial tension or external load, whichever is greater External load applied Initial tension Sum of the initial tension and external load applied ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a circular beam of diameter d is subjected to a shear force F, the maximum shear stress induced will be 4F/ πd² 8F/ πd² 6F/ πd² 16F/ 3πd² 4F/ πd² 8F/ πd² 6F/ πd² 16F/ 3πd² ANSWER DOWNLOAD EXAMIANS APP
Machine Design Tapered roller bearings can take Radial load only Both radial and axial loads and the ratio of these being less than unity Both radial and axial loads and the ratio of these being greater than unity Axial load only Radial load only Both radial and axial loads and the ratio of these being less than unity Both radial and axial loads and the ratio of these being greater than unity Axial load only ANSWER DOWNLOAD EXAMIANS APP
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