Machine Design The gears are termed as medium velocity gears, if their peripheral velocity is 3-15 m/s 1-3 m/s 30-50 m/s 15-30 m/s 3-15 m/s 1-3 m/s 30-50 m/s 15-30 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ends of the leaves of a semi-elliptical leaf spring are made triangular in order to Obtain variable moment of inertia (I) in each leaf Make M/I constant throughout the length of the leaf Have variable bending moment (M) in each leaf Permit each leaf to act as an overhanging beam Obtain variable moment of inertia (I) in each leaf Make M/I constant throughout the length of the leaf Have variable bending moment (M) in each leaf Permit each leaf to act as an overhanging beam ANSWER DOWNLOAD EXAMIANS APP
Machine Design The groove angle of pulleys for V-belt is 340 to 360 420 to 450 300 to 320 More than 400 340 to 360 420 to 450 300 to 320 More than 400 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The contact ratio is the ratio of Length of path of contact to the circular pitch Length of arc of approach to the circular pitch Length of arc of recess to the circular pitch Length of arc of contact to the circular pitch Length of path of contact to the circular pitch Length of arc of approach to the circular pitch Length of arc of recess to the circular pitch Length of arc of contact to the circular pitch 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 - 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 (P1 - mv²)/ (P2 - mv²) = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design A saddle key __________ power through frictional resistance only. None of these Does not transmit Transmits Either A or B None of these Does not transmit Transmits Either A or B ANSWER DOWNLOAD EXAMIANS APP