Machine Design The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm) 1680 d 1420 d 2840 d 2080 d 1680 d 1420 d 2840 d 2080 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The number of slots in a 25 mm castle nut is 8 6 4 2 8 6 4 2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design For applications involving high stresses in one direction only the following type of thread would be best suited Acme thread ISO metric thread Square thread Buttress thread Acme thread ISO metric thread Square thread Buttress thread 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 / 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 P1 / P2 = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of driving tensions in V-belt drives is __________ flat belt drives. sin α times less than Equal to cosec α times more than sin α times more than sin α times less than Equal to cosec α times more than sin α times more than ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following pipe joints would be suitable for pipes carrying steam? Bell and spigot Expansion Flanged Threaded Bell and spigot Expansion Flanged Threaded ANSWER DOWNLOAD EXAMIANS APP