Machine Design In Vickers hardness testing, the pyramid indentor apex is 152° 40° 136° 122° 152° 40° 136° 122° ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be 1.2 d 1.57 d 0.8 d 1.8 d 1.2 d 1.57 d 0.8 d 1.8 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stretching in a belt can be controlled by __________ the stress in the belt. Reducing Both A and B Increasing None of these Reducing Both A and B Increasing None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The diameter of the rivet hole is usually __________ the nominal diameter of the rivet. Less than None of these More than Equal to Less than None of these More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the screw in a mechanical screw jack rotates, the load kept on the top of it moves None of these Axially downwards Axially upwards Axially upwards or downwards None of these Axially downwards Axially upwards Axially upwards or downwards ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum efficiency of a square threaded screw is (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) (1 + cosφ)/ (1 - sinφ) ANSWER DOWNLOAD EXAMIANS APP
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