Machine Design Ball bearing type screws are found in following application Crane Steering mechanism Aeroplane engines Screw jack Crane Steering mechanism Aeroplane engines Screw jack ANSWER DOWNLOAD EXAMIANS APP
Machine Design The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress. One-fourth One-third Double One-half One-fourth One-third Double One-half ANSWER DOWNLOAD EXAMIANS APP
Machine Design The property of a bearing material which has the ability to accommodate shaft deflections and bearing inaccuracies by plastic deformation without excessive wear and heating, is known as Embeddability Fatigue strength Comformability Bondability Embeddability Fatigue strength Comformability Bondability ANSWER DOWNLOAD EXAMIANS APP
Machine Design The groove angle of pulleys for V-belt is 420 to 450 More than 400 340 to 360 300 to 320 420 to 450 More than 400 340 to 360 300 to 320 ANSWER DOWNLOAD EXAMIANS APP
Machine Design For crank shaft bearings, the ratio of the length of the journal to its diameter is_________. None of these Less than unity Greater than unity Equal to 1 None of these Less than unity Greater than unity Equal to 1 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 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP