Machine Design The endurance limit in shear of carbon steel can be obtained by multiplying the endurance limit in flexure by a factor of 0.75 0.45 0.55 0.65 0.75 0.45 0.55 0.65 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 6/(6 + v) 0.75/(0.75 + √v) 3/(3 + v) 4.5/(4.5 + v) 6/(6 + v) 0.75/(0.75 + √v) 3/(3 + v) 4.5/(4.5 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bending stress in a curved beam is Zero at the point other than centroidal axis Maximum at the neutral axis None of these Zero at the centroidal axis Zero at the point other than centroidal axis Maximum at the neutral axis None of these Zero at the centroidal axis ANSWER DOWNLOAD EXAMIANS APP
Machine Design Three different weights fall from a certain height under vacuum. They will take Times inversely proportional to weight to reach earth Same time to reach earth Times proportional to weight to reach earth None of these Times inversely proportional to weight to reach earth Same time to reach earth Times proportional to weight to reach earth None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design For longitudinal joint in boilers, the type of joint used is Butt joint with double cover plate Lap joint with one ring overlapping the other Any one of the above Butt joint with single cover plate Butt joint with double cover plate Lap joint with one ring overlapping the other Any one of the above Butt joint with single cover plate ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? The efficiency of a self locking screw can not be more than 50% Both (A) and (B) The efficiency of Acme (trapezoidal) thread is less than that of a square thread If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of a self locking screw can not be more than 50% Both (A) and (B) The efficiency of Acme (trapezoidal) thread is less than that of a square thread If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% ANSWER DOWNLOAD EXAMIANS APP