Machine Design For hardening alloy steels and high speed steels, they are heated to 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 1100 to 1300°C ANSWER DOWNLOAD EXAMIANS APP
Machine Design The fatigue stress concentration factor is defined as The ratio of endurance limit without stress concentration to the endurance limit with stress concentration The product of the endurance limits with and without stress concentration All of these The ratio of endurance limit with stress concentration to the endurance limit without stress concentration The ratio of endurance limit without stress concentration to the endurance limit with stress concentration The product of the endurance limits with and without stress concentration All of these The ratio of endurance limit with stress concentration to the endurance limit without stress concentration ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following coupling is used to connect two shafts which have both lateral and angular misalignment? Oldham coupling Universal coupling Bushed pin type coupling All of these Oldham coupling Universal coupling Bushed pin type coupling All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The load cup of a screw jack is made separate from the head of the spindle to Reduce the effort needed for lifting the working load Reduce the value of frictional torque Enhance the load carrying capacity of the jack Prevent the rotation of load being lifted Reduce the effort needed for lifting the working load Reduce the value of frictional torque Enhance the load carrying capacity of the jack Prevent the rotation of load being lifted ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a butt welded joint, the size of weld is __________ the throat of weld. Equal to 0.5 times 2 times Double Equal to 0.5 times 2 times Double ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given byWhere m = mass of belt per meter (kg/m)v = belt velocity (m/s)f = coefficient of frictiona = angle of wrap (radians) P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα ANSWER DOWNLOAD EXAMIANS APP
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