Machine Design A hollow shaft will transmit a __________ torque than a solid shaft of the same mass and same material. Greater None of these Medium Smaller Greater None of these Medium Smaller ANSWER DOWNLOAD EXAMIANS APP
Machine Design Failure of a material is called fatigue when it fails At the elastic limit Below the elastic limit Below the yield point At the yield point At the elastic limit Below the elastic limit Below the yield point At the yield point ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration is caused due to Pitting at points or areas at which loads on a member are applied Abrupt change of section Variation in properties of material from point to point in a member All of these Pitting at points or areas at which loads on a member are applied Abrupt change of section Variation in properties of material from point to point in a member All of these 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 A fast and loose pulley drive is used when Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft Shafts are arranged at right angles and rotate in one definite direction Shafts are arranged parallel and rotate in the same directions Shafts are arranged parallel and rotate in the opposite directions Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft Shafts are arranged at right angles and rotate in one definite direction Shafts are arranged parallel and rotate in the same directions Shafts are arranged parallel and rotate in the opposite directions ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at the Head Shank Thread Middle Head Shank Thread Middle ANSWER DOWNLOAD EXAMIANS APP
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