Machine Design The velocity factor for precision metallic gears cut with high accuracy and operating at velocities up to 20 m/s is equal to 3/ (3 + v) 6/ (6 + v) 0.75/ (0.75 + √v) 4.5/ (4.5 + v) 3/ (3 + v) 6/ (6 + v) 0.75/ (0.75 + √v) 4.5/ (4.5 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The property of a bearing material which has the ability to accommodate small particles of dust, grit etc. without scoring the material of the journal, is called Fatigue strength Bondability Embeddability Comformability Fatigue strength Bondability Embeddability Comformability ANSWER DOWNLOAD EXAMIANS APP
Machine Design The expansion joint is mostly used for pipes which carry steam at __________ pressures. High Medium Low None of these High Medium Low None 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) (WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K (4WD/ πd3) × K (WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K (4WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following coupling is used to connect two shafts which have both lateral and angular misalignment? Bushed pin type coupling Universal coupling Oldham coupling All of these Bushed pin type coupling Universal coupling Oldham coupling All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design In radial bearings, the load acts __________ to the axis of rotation. None of these Perpendicular Both A and B Parallel None of these Perpendicular Both A and B Parallel ANSWER DOWNLOAD EXAMIANS APP
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