Machine Design The railway carriage couplings have Knuckle threads Buttress threads Square threads Acme threads Knuckle threads Buttress threads Square threads Acme threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of driving tensions in V-belt drives is __________ flat belt drives. sin α times less than cosec α times more than Equal to sin α times more than sin α times less than cosec α times more than Equal to sin α times more than 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 - 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 P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα ANSWER DOWNLOAD EXAMIANS APP
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 15 N-m 10 N-m 5 N-m 7 N-m 15 N-m 10 N-m 5 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design If an application calls for stresses on screw threads in one direction only, then the following type of thread would be best suited Square BSW Buttress Acme Square BSW Buttress Acme ANSWER DOWNLOAD EXAMIANS APP
Machine Design If b denotes the face width and L denotes the cone distance for a bevel gear, then the bevel factor is written as b/2L 1 - 2 b.L 1 - (b/L) b/L b/2L 1 - 2 b.L 1 - (b/L) b/L ANSWER DOWNLOAD EXAMIANS APP
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