Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 22.5° 67.5° 45° 90° 22.5° 67.5° 45° 90° ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., shearing resistance required to shear off the rivet per pitch length (in double shear) is (where n = Number of rivets per pitch length) (π/4) d² × τ × n 3 × (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n 2 × (π/4) d² × τ × n (π/4) d² × τ × n 3 × (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n 2 × (π/4) d² × τ × n ANSWER DOWNLOAD EXAMIANS APP
Machine Design The root angle of a bevel gear is equal to Pitch angle + dedendum angle Pitch angle - dedendum angle Pitch angle + addendum angle Pitch angle - addendum angle Pitch angle + dedendum angle Pitch angle - dedendum angle Pitch angle + addendum angle Pitch angle - addendum angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rolling contact bearings as compared to sliding contact bearings have Accuracy of shaft alignment Small overall dimensions All of these Low starting and low running friction except at very high speeds Accuracy of shaft alignment Small overall dimensions All of these Low starting and low running friction except at very high speeds 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 The rocker arms in internal combustion engines are of__________. None of these Second type levers Third type levers First type levers None of these Second type levers Third type levers First type levers ANSWER DOWNLOAD EXAMIANS APP
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