Machine Design Applications in which stresses are encountered in one direction only uses following type of threads Square Metric Buttress Acme Square Metric Buttress Acme ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tube has the following advantage over pipe Lighter and easier to handle All of these Greater shock absorption Smoother inside walls Lighter and easier to handle All of these Greater shock absorption Smoother inside walls 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 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design The power transmitted by the belt drive can be increased by All of these Dressing the belt to increase the coefficient of friction Increasing wrap angle by using idler pulley Increasing the initial tension in the belt All of these Dressing the belt to increase the coefficient of friction Increasing wrap angle by using idler pulley Increasing the initial tension in the belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design Ball bearing type screws are found in following application Screw jack Aeroplane engines Steering mechanism Crane Screw jack Aeroplane engines Steering mechanism Crane ANSWER DOWNLOAD EXAMIANS APP
Machine Design Coaxing is the procedure of increasing Metal resistance to corrosion by coating Fatigue limit by over-stressing the metal by successively increasing loadings Metal hardness by surface treatment Metal strength by cycling Metal resistance to corrosion by coating Fatigue limit by over-stressing the metal by successively increasing loadings Metal hardness by surface treatment Metal strength by cycling ANSWER DOWNLOAD EXAMIANS APP
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