Machine Design The ball bearings are provided with a cage To facilitate slipping of balls To reduce friction To prevent the lubricant from flowing out To maintain the balls at a fixed distance apart To facilitate slipping of balls To reduce friction To prevent the lubricant from flowing out To maintain the balls at a fixed distance apart ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up so that tightening stress Approaches yield point Is about yield point divided by safety factor Is just sufficient to hold parts together Is 50% of yield point Approaches yield point Is about yield point divided by safety factor Is just sufficient to hold parts together Is 50% of yield point ANSWER DOWNLOAD EXAMIANS APP
Machine Design At low temperatures (say 75°C) the notched bar impact value of steel Decreases markedly Remain same Increases markedly Depends on heat treatment carried out Decreases markedly Remain same Increases markedly Depends on heat treatment carried out ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a shaft diameter of 100 mm, the number of bolts in a flange coupling should be 6 8 4 10 6 8 4 10 ANSWER DOWNLOAD EXAMIANS APP
Machine Design For hardening alloy steels and high speed steels, they are heated to 1100 to 1300°C 700 to 900°C 1300 to 1500°C 500 to 600°C 1100 to 1300°C 700 to 900°C 1300 to 1500°C 500 to 600°C ANSWER DOWNLOAD EXAMIANS APP
Machine Design The product of the diametral pitch and circular pitch is equal to π π × number of teeth 1 1/π π π × number of teeth 1 1/π ANSWER DOWNLOAD EXAMIANS APP
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