Machine Design The maximum efficiency of a square threaded screw is (1 - sinφ)/ (1 + cosφ) (1 + sinφ)/ (1 - sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 - sinφ)/ (1 + cosφ) (1 + sinφ)/ (1 - sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The groove angle of pulleys for V-belt is 340 to 360 300 to 320 More than 400 420 to 450 340 to 360 300 to 320 More than 400 420 to 450 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress in the threaded part of the bolt will be __________ as compared to the shank. Higher Lower Same None of these Higher Lower Same None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a load W is applied instantaneously on a bar; Then the stress induced in bar will Increase with increase in y Be independent of ratio of mass of load W to mass of bar (y) Depend on other considerations Decrease with decrease in y Increase with increase in y Be independent of ratio of mass of load W to mass of bar (y) Depend on other considerations Decrease with decrease in y ANSWER DOWNLOAD EXAMIANS APP
Machine Design The application of third type levers is found in Hand wheel of a punching press Handle of a hand pump A pair of tongs Lever of a loaded safety valve Hand wheel of a punching press Handle of a hand pump A pair of tongs Lever of a loaded safety valve 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 Axial load only Both radial and axial loads and the ratio of these being greater than unity Radial load only Both radial and axial loads and the ratio of these being less than unity Axial load only Both radial and axial loads and the ratio of these being greater than unity ANSWER DOWNLOAD EXAMIANS APP
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