Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 22.5° 67.5° 90° 45° 22.5° 67.5° 90° 45° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? 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) The efficiency of Acme (trapezoidal) thread is less than that of a square thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the tearing efficiency of a riveted joint is 75%, then the ratio of diameter of rivet to the pitch is equal to 0.6 0.5 0.25 0.2 0.6 0.5 0.25 0.2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The static tooth load should be __________ the dynamic load. Less than None of these Equal to Greater than Less than None of these Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils) Gd⁴/ 8D3n Gd3/ 8D3n Gd⁴/ 8D²n Gd⁴/ 4D3n Gd⁴/ 8D3n Gd3/ 8D3n Gd⁴/ 8D²n Gd⁴/ 4D3n ANSWER DOWNLOAD EXAMIANS APP
Machine Design The number of slots in a 25 mm castle nut is 4 6 2 8 4 6 2 8 ANSWER DOWNLOAD EXAMIANS APP
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