Machine Design The groove angle of the pulley for rope drive is usually 60° 20° 45° 35° 60° 20° 45° 35° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which is correct statement? Stress concentration in cyclic loading is Very serious in ductile materials and less serious in brittle materials Seriousness would depend on other factors Equally serious in both types of materials Very serious in brittle materials and less serious in ductile materials Very serious in ductile materials and less serious in brittle materials Seriousness would depend on other factors Equally serious in both types of materials Very serious in brittle materials and less serious in ductile materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw will be self locking, if Friction angle is less than helix angle Friction angle is more than helix angle Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is less than helix angle Friction angle is more than helix angle Friction angle is equal to helix angle Efficiency of screw is 100% ANSWER DOWNLOAD EXAMIANS APP
Machine Design The wear load should be __________ the dynamic load. None of these Equal to Greater than Less than None of these Equal to Greater than Less than ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring index is Indication of quality of spring Its capability of storing energy Ratio of coil diameter to wire diameter Load required to produce unit deflection Indication of quality of spring Its capability of storing energy Ratio of coil diameter to wire diameter Load required to produce unit deflection 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 / 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 (P1 - mv²)/ (P2 - mv²) = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
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