Machine Design A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is 7 N-m 5 N-m 15 N-m 10 N-m 7 N-m 5 N-m 15 N-m 10 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design The yield point in static loading is __________ as compared to fatigue loading. Same Higher None of these Lower Same Higher None of these Lower ANSWER DOWNLOAD EXAMIANS APP
Machine Design The period during which the cam follower remains at rest, when cam moves, is known as Dwell period Fixed period Constant period Idle period Dwell period Fixed period Constant period Idle period ANSWER DOWNLOAD EXAMIANS APP
Machine Design The anti-friction bearings Have high initial cost Have low starting and low running friction at moderate speeds All of these Can carry both radial and thrust loads Have high initial cost Have low starting and low running friction at moderate speeds All of these Can carry both radial and thrust loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The backlash for spur gears depends upon Module Both module and pitch line velocity Pitch line velocity Tooth profile Module Both module and pitch line velocity Pitch line velocity Tooth profile 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 = e–ᶠα 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 ANSWER DOWNLOAD EXAMIANS APP
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