Machine Design The load cup of a screw jack is made separate from the head of the spindle to Enhance the load carrying capacity of the jack Prevent the rotation of load being lifted Reduce the value of frictional torque Reduce the effort needed for lifting the working load Enhance the load carrying capacity of the jack Prevent the rotation of load being lifted Reduce the value of frictional torque Reduce the effort needed for lifting the working load ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 6/(6 + v) 4.5/(4.5 + v) 3/(3 + v) 0.75/(0.75 + √v) 6/(6 + v) 4.5/(4.5 + v) 3/(3 + v) 0.75/(0.75 + √v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the factor of safety of riveted joint should not be less than 2 4 1 3 2 4 1 3 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a sleeve coupling, outer diameter of the sleeve is taken as (where d = Diameter of the shaft) d + 17 mm 3.5d 2d + 20 mm 2d + 13 mm d + 17 mm 3.5d 2d + 20 mm 2d + 13 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to (Where, Pc = tension in belt due to centrifugal force) Pc/3 1 Pc 3 Pc 2 Pc Pc/3 1 Pc 3 Pc 2 Pc ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring index is Ratio of coil diameter to wire diameter Its capability of storing energy Load required to produce unit deflection Indication of quality of spring Ratio of coil diameter to wire diameter Its capability of storing energy Load required to produce unit deflection Indication of quality of spring ANSWER DOWNLOAD EXAMIANS APP
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