Machine Design In order to determine the stresses in a thin cylinder due to an internal pressure, it is assumed that All of these The effect of the restraining action of the heads at the end of the pressure vessel is neglected The tensile stresses are uniformly distributed over the section of the walls The effect of curvature of the cylinder wall is neglected All of these The effect of the restraining action of the heads at the end of the pressure vessel is neglected The tensile stresses are uniformly distributed over the section of the walls The effect of curvature of the cylinder wall is neglected ANSWER DOWNLOAD EXAMIANS APP
Machine Design For circumferential joint in boilers, the type of joint used is Lap joint with one ring overlapping the other Butt joint with double cover plate Any one of the above Butt joint with single cover plate Lap joint with one ring overlapping the other Butt joint with double cover plate Any one of the above Butt joint with single cover plate ANSWER DOWNLOAD EXAMIANS APP
Machine Design The helix angle for double helical gears may be made up to 90° 45° 75° 60° 90° 45° 75° 60° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 0.75/(0.75 + √v) 3/(3 + v) 6/(6 + v) 4.5/(4.5 + v) 0.75/(0.75 + √v) 3/(3 + v) 6/(6 + v) 4.5/(4.5 + v) 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 = 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 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 Permit each leaf to act as an overhanging beam Have variable bending moment (M) in each leaf Obtain variable moment of inertia (I) in each leaf Make M/I constant throughout the length of the leaf Permit each leaf to act as an overhanging beam Have variable bending moment (M) in each leaf ANSWER DOWNLOAD EXAMIANS APP
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