Machine Design When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt) 0.75 d 0.5 d d 1.25 d 0.75 d 0.5 d d 1.25 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (according to Barth) will be equal to (Where, Pc is centrifugal tension) [(√P1 + √P2)/2]² [⅟₂ × (P1 + P2)] + Pc ⅟₂× (P1 + P2) P1 + P2 [(√P1 + √P2)/2]² [⅟₂ × (P1 + P2)] + Pc ⅟₂× (P1 + P2) P1 + P2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to 1 T 4 T T/2 2 T 1 T 4 T T/2 2 T ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to Ensure uniform loading Reduce vibration Reduce slip Ensure proper alignment Ensure uniform loading Reduce vibration Reduce slip Ensure proper alignment ANSWER DOWNLOAD EXAMIANS APP
Machine Design Applications in which stresses are encountered in one direction only uses following type of threads Metric Acme Buttress Square Metric Acme Buttress Square ANSWER DOWNLOAD EXAMIANS APP
Machine Design Euler’s formula for a mild steel column is not valid if the slenderness ratio is 120 100 90 60 120 100 90 60 ANSWER DOWNLOAD EXAMIANS APP