Machine Design A screw is said to be over hauling screw, if its efficiency is Less than 50% Equal to 50% None of these More than 50% Less than 50% Equal to 50% None of these More than 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a load W is applied instantaneously on a bar; Then the stress induced in bar will Be independent of ratio of mass of load W to mass of bar (y) Decrease with decrease in y Depend on other considerations Increase with increase in y Be independent of ratio of mass of load W to mass of bar (y) Decrease with decrease in y Depend on other considerations Increase with increase in y ANSWER DOWNLOAD EXAMIANS APP
Machine Design A locking device extensively used in marine type connecting rod ends is a Sawn nut Ring nut Castle nut Jam nut Sawn nut Ring nut Castle nut Jam nut ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given by Where m = mass of belt per meter (kg/m) v = belt velocity (m/s) f = coefficient of friction a = angle of wrap (radians) (P1 - mv²)/ (P2 - mv²) = eᶠα 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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to 1 T 4 T 2 T T/2 1 T 4 T 2 T T/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The design of pin of a rocker arm of an I.C. engine is based on Bearing failure Shearing failure All of these Bending failure Bearing failure Shearing failure All of these Bending failure ANSWER DOWNLOAD EXAMIANS APP