Machine Design The anti-friction bearings Have high initial cost Have low starting and low running friction at moderate speeds Can carry both radial and thrust loads All of these Have high initial cost Have low starting and low running friction at moderate speeds Can carry both radial and thrust loads All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring) (8WD/ πd3) × K (WD/ πd3) × K (2WD/ πd3) × K (4WD/ πd3) × K (8WD/ πd3) × K (WD/ πd3) × K (2WD/ πd3) × K (4WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Indian standards, total numbers of tolerance grades are 20 8 18 12 20 8 18 12 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is A combination of torsional shear stress and bending Direct shear stress only Bending stress only A combination of bending stress and direct shear stress A combination of torsional shear stress and bending Direct shear stress only Bending stress only A combination of bending stress and direct shear stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The process extensively used for making bolts and nuts is Extrusion Cold heading Hot piercing Cold peening Extrusion Cold heading Hot piercing Cold peening ANSWER DOWNLOAD EXAMIANS APP
Machine Design The algebraic difference between the maximum limit and the basic size is called Mean deviation Upper deviation Lower deviation Actual deviation Mean deviation Upper deviation Lower deviation Actual deviation ANSWER DOWNLOAD EXAMIANS APP