Machine Design For applications involving high stresses in one direction only the following type of thread would be best suited Square thread Buttress thread ISO metric thread Acme thread Square thread Buttress thread ISO metric thread Acme thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design A circular shaft can transmit a torque of 5 kN-m. If the torque is reduced to 4 kN-m, then the maximum value of bending moment that can be applied to the shaft is 1 kN-m 2 kN-m 4 kN-m 3 kN-m 1 kN-m 2 kN-m 4 kN-m 3 kN-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design The coefficient of friction in belt drive depends upon Material of belt Belt velocity Materials of belt and pulley Material of pulley Material of belt Belt velocity Materials of belt and pulley Material of pulley ANSWER DOWNLOAD EXAMIANS APP
Machine Design The material commonly used for crane hooks is Wrought iron Mild steel Aluminium Cast iron Wrought iron Mild steel Aluminium Cast iron 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 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the screw in a mechanical screw jack rotates, the load kept on the top of it moves Axially downwards Axially upwards Axially upwards or downwards None of these Axially downwards Axially upwards Axially upwards or downwards None of these ANSWER DOWNLOAD EXAMIANS APP
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