Machine Design Screws used for power transmission should have High efficiency Low efficiency Very fine threads Strong teeth High efficiency Low efficiency Very fine threads Strong teeth ANSWER DOWNLOAD EXAMIANS APP
Machine Design For hardening alloy steels and high speed steels, they are heated to 500 to 600°C 700 to 900°C 1300 to 1500°C 1100 to 1300°C 500 to 600°C 700 to 900°C 1300 to 1500°C 1100 to 1300°C ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will Move towards left of the bearing making metal to metal contact Move towards right of the bearing making the metal to metal contact Have contact at the bottom most of the bearing Move towards right of the bearing making no metal to metal contact Move towards left of the bearing making metal to metal contact Move towards right of the bearing making the metal to metal contact Have contact at the bottom most of the bearing Move towards right of the bearing making no metal to metal contact ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the length of the journal is equal to the diameter of the journal, then the bearing is said to be a Short bearing Medium bearing Long bearing Square bearing Short bearing Medium bearing Long bearing Square bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the Sum of the initial tension and external load applied Initial tension or external load, whichever is greater Initial tension External load applied Sum of the initial tension and external load applied Initial tension or external load, whichever is greater Initial tension External load applied ANSWER DOWNLOAD EXAMIANS APP
Machine Design The power transmitted by the belt drive can be increased by Increasing wrap angle by using idler pulley All of these Dressing the belt to increase the coefficient of friction Increasing the initial tension in the belt Increasing wrap angle by using idler pulley All of these Dressing the belt to increase the coefficient of friction Increasing the initial tension in the belt ANSWER DOWNLOAD EXAMIANS APP