Machine Design According to I.B.R., the efficiency of a double riveted butt joint with double cover straps of equal width should be 63 to 70% 80 to 90% 70 to 83% 45 to 60% 63 to 70% 80 to 90% 70 to 83% 45 to 60% ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v). 20 m/s 15 m/s 12.5 m/s 10 m/s 20 m/s 15 m/s 12.5 m/s 10 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will 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 Move towards left of the bearing making metal to metal contact Move towards right of the bearing making the metal to metal contact ANSWER DOWNLOAD EXAMIANS APP
Machine Design Idler pulley is used for Changing the direction of motion of belt Increasing velocity ratio For applying tension All of these Changing the direction of motion of belt Increasing velocity ratio For applying tension All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design If an application calls for stresses on screw threads in one direction only, then the following type of thread would be best suited Buttress BSW Acme Square Buttress BSW Acme Square ANSWER DOWNLOAD EXAMIANS APP
Machine Design For hardening alloy steels and high speed steels, they are heated to 1300 to 1500°C 700 to 900°C 500 to 600°C 1100 to 1300°C 1300 to 1500°C 700 to 900°C 500 to 600°C 1100 to 1300°C ANSWER DOWNLOAD EXAMIANS APP
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