Machine Design Cold working Increases the fatigue strength Has no influence on fatigue strength Decreases the fatigue strength Alone has no influence on fatigue strength Increases the fatigue strength Has no influence on fatigue strength Decreases the fatigue strength Alone has no influence on fatigue strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design In cyclic loading, stress concentration is more serious in Ductile materials Elastic materials Brittle materials Brittle as well as ductile materials Ductile materials Elastic materials Brittle materials Brittle as well as ductile materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of 'crowning' of the flat pulleys of belt drive is to Increase the belt velocity Prevent the belt from running off the pulley Prevent the belt joint from damaging the belt surface Increase the power transmission capacity Increase the belt velocity Prevent the belt from running off the pulley Prevent the belt joint from damaging the belt surface Increase the power transmission capacity ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the distance between the rows of rivets, for equal number of rivets in more than one row for lap joint or butt joint (chain riveting) shall not be less than 2 d 1.5 d d 2.5 d 2 d 1.5 d d 2.5 d 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) = 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 P1 / P2 = e–ᶠα P1 / P2 = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design In helical gears, the right hand helixes on one gear will mesh __________ helixes on the other gear. Right hand Left hand None of these Both A and B Right hand Left hand None of these Both A and B ANSWER DOWNLOAD EXAMIANS APP
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