Machine Design The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical stress concentration factor Kt as (Kt - 1)/ (Kf - 1) (Kf + 1)/ (Kt + 1) (Kf - 1)/ (Kt - 1) (Kt + 1)/ (Kf + 1) (Kt - 1)/ (Kf - 1) (Kf + 1)/ (Kt + 1) (Kf - 1)/ (Kt - 1) (Kt + 1)/ (Kf + 1) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? 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% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% Both (A) and (B) 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% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Indian standard specifications, a Grey cast iron designated by 'FG 200' means that the Maximum shear strength is 200 N/mm² Maximum compressive strength is 200 N/mm² Carbon content is 2% Minimum tensile strength is 200 N/mm² Maximum shear strength is 200 N/mm² Maximum compressive strength is 200 N/mm² Carbon content is 2% Minimum tensile strength is 200 N/mm² ANSWER DOWNLOAD EXAMIANS APP
Machine Design The pitch diameter is the __________ diameter of an external or internal screw thread. Smallest None of these Effective Largest Smallest None of these Effective Largest ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to have smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be 21 25 17 15 21 25 17 15 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the levers of __________ type, the mechanical advantage is less than one. First Third Second None of these First Third Second None of these ANSWER DOWNLOAD EXAMIANS APP
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