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 Direct shear stress only Bending stress only A combination of torsional shear stress and bending A combination of bending stress and direct shear stress Direct shear stress only Bending stress only A combination of torsional shear stress and bending A combination of bending stress and direct shear stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The anti-friction bearings 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 Have high initial cost Have low starting and low running friction at moderate speeds Can carry both radial and thrust loads 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 All of these Universal coupling Oldham coupling Bushed pin type coupling All of these Universal coupling Oldham coupling ANSWER DOWNLOAD EXAMIANS APP
Machine Design Maximum principal stress theory is applicable for Brittle materials Elastic materials All of these Ductile materials Brittle materials Elastic materials All of these Ductile materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a flange coupling, the keys are staggered at __________ along the circumference of the shafts in order to divide the weakening effect caused by key ways. 135° 160° 180° 90° 135° 160° 180° 90° ANSWER DOWNLOAD EXAMIANS APP
Machine Design At low temperatures (say 75°C) the notched bar impact value of steel Increases markedly Depends on heat treatment carried out Decreases markedly Remain same Increases markedly Depends on heat treatment carried out Decreases markedly Remain same ANSWER DOWNLOAD EXAMIANS APP
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