Machine Design Which one of the following is a positive drive? Rope drive Crossed flat belt drive Chain drive V-belt drive Rope drive Crossed flat belt drive Chain drive V-belt drive ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread The efficiency of a self locking screw can not be more than 50% Both (A) and (B) If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread The efficiency of a self locking screw can not be more than 50% Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The distribution of the forces along the length of key fitted in a shaft Is uniform throughout Varies exponentially, being more near the torque-input end Varies exponentially, being less near the torque-input end Varies linearly Is uniform throughout Varies exponentially, being more near the torque-input end Varies exponentially, being less near the torque-input end Varies linearly ANSWER DOWNLOAD EXAMIANS APP
Machine Design The groove angle of the pulley for rope drive is usually 35° 45° 20° 60° 35° 45° 20° 60° ANSWER DOWNLOAD EXAMIANS APP
Machine Design A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where σ = Stress for a plate with no hole i.e. nominal stress) σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (2a/b)] σ [1 + (b/2a)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (2a/b)] σ [1 + (b/2a)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design The width of the pulley should be __________ width of the belt. None of these Equal to Greater than Less than None of these Equal to Greater than Less than ANSWER DOWNLOAD EXAMIANS APP
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