Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 4.5/(4.5 + v) 6/(6 + v) 0.75/(0.75 + √v) 3/(3 + v) 4.5/(4.5 + v) 6/(6 + v) 0.75/(0.75 + √v) 3/(3 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design For same pulley diameters, center distance, belt speed and belt and pulley materials, Crossed belt drive transmits more power than open belt drive Open belt drive transmits more power than crossed belt drive Open and crossed belt drives transmit same power Power transmission does not depend upon open and crossed types of constructions Crossed belt drive transmits more power than open belt drive Open belt drive transmits more power than crossed belt drive Open and crossed belt drives transmit same power Power transmission does not depend upon open and crossed types of constructions ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 3.0 2.5 2.8 3.5 3.0 2.5 2.8 3.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is wrong for a connecting rod? If Ixx < 4 Iyy, the buckling will occur about X-axis The most suitable section for the connecting rod is T-section If Ixx > 4 Iyy, the buckling will occur about Y-axis The connecting rod will be equally strong in buckling about X-axis and Y-axis, if Ixx = 4 Iyy If Ixx < 4 Iyy, the buckling will occur about X-axis The most suitable section for the connecting rod is T-section If Ixx > 4 Iyy, the buckling will occur about Y-axis The connecting rod will be equally strong in buckling about X-axis and Y-axis, if Ixx = 4 Iyy ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of pressure vessels having closed ends, the fluid pressure induces Circumferential stress Shear stress Longitudinal stress None of these Circumferential stress Shear stress Longitudinal stress None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The static tooth load should be __________ the dynamic load. Less than Equal to Greater than None of these Less than Equal to Greater than None of these ANSWER DOWNLOAD EXAMIANS APP
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