Machine Design The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress. Double One-fourth One-third One-half Double One-fourth One-third One-half ANSWER DOWNLOAD EXAMIANS APP
Machine Design Shaft coupling is used in machinery to Introduce protection against over loads Introduce mechanical flexibility Reduce the transmission of shock loads All of these Introduce protection against over loads Introduce mechanical flexibility Reduce the transmission of shock loads All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design A key capable of tilting in a recess milled out in a shaft is known as Hollow saddle key Flat saddle key Woodruff key Feather key Hollow saddle key Flat saddle key Woodruff key Feather key ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given by Where m = mass of belt per meter (kg/m) v = belt velocity (m/s) f = coefficient of friction a = angle of wrap (radians) (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design A cotter joint is used to connect two __________ rods. None of these Parallel Co-axial Perpendicular None of these Parallel Co-axial Perpendicular ANSWER DOWNLOAD EXAMIANS APP
Machine Design A long helical spring having a spring stiffness of 12 kN/m and number of turns 20, breaks into two parts with number of turns 10 each in both the parts. If the two parts are connected in series, then the softness of the resultant spring will be 24 kN/m 6 kN/m 30 kN/m 12 kN/m 24 kN/m 6 kN/m 30 kN/m 12 kN/m ANSWER DOWNLOAD EXAMIANS APP
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