Machine Design The maximum efficiency of a square threaded screw is (1 + cosφ)/ (1 - sinφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 - sinφ)/ (1 + cosφ) (1 + cosφ)/ (1 - sinφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 - sinφ)/ (1 + cosφ) 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 Smaller Larger/smaller depending on diameter of spring coil Larger Equal Smaller Larger/smaller depending on diameter of spring coil Larger Equal ANSWER DOWNLOAD EXAMIANS APP
Machine Design The speed of the sprocket reduces as the chain pitch __________ for a given number of teeth. None of these Increases Decreases Remain same None of these Increases Decreases Remain same ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts will have equal strength, if Diameter of both the shafts is same Material of both the shafts is same Angle of twist of both the shafts is same Twisting moment of both the shafts is same Diameter of both the shafts is same Material of both the shafts is same Angle of twist of both the shafts is same Twisting moment of both the shafts is same 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 8F/ πd² 6F/ πd² 16F/ 3πd² 4F/ πd² 8F/ πd² 6F/ πd² 16F/ 3πd² 4F/ πd² ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a steam engine, the piston rod is usually connected to the cross-head by means of a Knuckle joint Oldham coupling Universal joint Cotter joint Knuckle joint Oldham coupling Universal joint Cotter joint ANSWER DOWNLOAD EXAMIANS APP
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