Machine Design Screws used for power transmission should have Very fine threads High efficiency Strong teeth Low efficiency Very fine threads High efficiency Strong teeth Low efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle. Equal to Larger than Smaller than None of these Equal to Larger than Smaller than None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the shaft rotates in anticlockwise direction at high speed in a bearing, it will Move towards right of the bearing making metal to metal contact Move towards left of the bearing making metal to metal contact Move towards right of the bearing making no metal to metal contact Have contact at the bottom most of the bearing Move towards right of the bearing making metal to metal contact Move towards left of the bearing making metal to metal contact Move towards right of the bearing making no metal to metal contact Have contact at the bottom most of the bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stretching in a belt can be controlled by __________ the stress in the belt. None of these Reducing Increasing Both A and B None of these Reducing Increasing Both A and B ANSWER DOWNLOAD EXAMIANS APP
Machine Design Basic shaft is one Whose lower as well as upper deviations are zero Whose lower deviation is zero Does not exist Whose upper deviation is zero Whose lower as well as upper deviations are zero Whose lower deviation is zero Does not exist Whose upper deviation is zero ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bolt of uniform strength can be developed by None of these Keeping the core diameter smaller than the diameter of the unthreaded portion Keeping the nominal diameter of threads equal to the diameter of unthreaded portion of the bolt Keeping the core diameter of threads equal to the diameter of unthreaded portion of the bolt None of these Keeping the core diameter smaller than the diameter of the unthreaded portion Keeping the nominal diameter of threads equal to the diameter of unthreaded portion of the bolt Keeping the core diameter of threads equal to the diameter of unthreaded portion of the bolt ANSWER DOWNLOAD EXAMIANS APP
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