Machine Design The maximum efficiency of a square threaded screw is (1 - sinφ)/ (1 + sinφ) (1 + cosφ)/ (1 - sinφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 - sinφ)/ (1 + sinφ) (1 + cosφ)/ (1 - sinφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The coefficient of friction between the belt and pulley depends upon the All of these Material of belt and pulley Speed of belt Slip of belt All of these Material of belt and pulley Speed of belt Slip of belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear stress in a beam varies from zero at the outer fibers to a maximum at the________. Neutral surface None of these Lower surface Upper surface Neutral surface None of these Lower surface Upper surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a key, it is assumed that the distribution of forces along the length of key Varies linearly Varies exponentially, being more at the torque-input end Is uniform throughout Varies exponentially, being less at the torque-input end Varies linearly Varies exponentially, being more at the torque-input end Is uniform throughout Varies exponentially, being less at the torque-input end ANSWER DOWNLOAD EXAMIANS APP
Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 45° + φ/2 90° - φ 45° - φ/2 45° - φ 45° + φ/2 90° - φ 45° - φ/2 45° - φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The arms of the pulleys for flat belt drive have All the three characteristics Major axis in plane of rotation Major axis twice the minor axis Elliptical cross-section All the three characteristics Major axis in plane of rotation Major axis twice the minor axis Elliptical cross-section ANSWER DOWNLOAD EXAMIANS APP
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