Machine Design The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress. One-fourth Double One-half One-third One-fourth Double One-half One-third ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is increased, then the pressure angle Remains unchanged Decreases Increases None of these Remains unchanged Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a key, it is assumed that the distribution of forces along the length of key Is uniform throughout Varies exponentially, being less at the torque-input end Varies exponentially, being more at the torque-input end Varies linearly Is uniform throughout Varies exponentially, being less at the torque-input end Varies exponentially, being more at the torque-input end Varies linearly ANSWER DOWNLOAD EXAMIANS APP
Machine Design A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be τ 4 τ τ/2 2 τ τ 4 τ τ/2 2 τ ANSWER DOWNLOAD EXAMIANS APP
Machine Design Auto frettage is the method of Calculating stresses in thick cylinders Increasing the life of thick cylinders Pre-stressing thick cylinders Joining thick cylinders Calculating stresses in thick cylinders Increasing the life of thick cylinders Pre-stressing thick cylinders Joining thick cylinders ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following bearing is preferred for oscillating conditions? Double row roller bearing Taper roller bearing Angular contact single row ball bearing Needle roller bearing Double row roller bearing Taper roller bearing Angular contact single row ball bearing Needle roller bearing ANSWER DOWNLOAD EXAMIANS APP