Machine Design The rolling contact bearings as compared to sliding contact bearings have Low starting and low running friction except at very high speeds Accuracy of shaft alignment Small overall dimensions All of these Low starting and low running friction except at very high speeds Accuracy of shaft alignment Small overall dimensions All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the speed of belt increases, The coefficient of friction between the belt and pulley increases The power transmitted will decrease The coefficient of friction between the belt and pulley decreases The power transmitted will increase The coefficient of friction between the belt and pulley increases The power transmitted will decrease The coefficient of friction between the belt and pulley decreases The power transmitted will increase ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of inertia about X-axis should be __________ the moment of inertia about Y-axis. Three times Equal to Twice Four times Three times Equal to Twice Four times 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) = e–ᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design The width of the pulley should be __________ width of the belt. None of these Less than Equal to Greater than None of these Less than Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the thickness of the boiler shell should not be less than 4 mm 7 mm 5 mm 6 mm 4 mm 7 mm 5 mm 6 mm ANSWER DOWNLOAD EXAMIANS APP
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