Machine Design For tight leakage joints, following type of thread is best suited Buttress Square NPT (national pipe threads). Metric Buttress Square NPT (national pipe threads). Metric ANSWER DOWNLOAD EXAMIANS APP
Machine Design The expression 0.175 - 0.841/T is the Lewis form factor for 20° stub system 20° full depth involute system 14½° composite and full depth involute system None of these 20° stub system 20° full depth involute system 14½° composite and full depth involute system None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design If T₁ and T₂ are the tensions on the tight and slack sides of the belt respectively, and Tc is the centrifugal tension, then initial tension in the belt is equal to (T₁ + T₂ + Tc)/2 T₁ - T₂ + Tc (T₁ - T₂ + Tc)/2 T₁ + T₂ + Tc (T₁ + T₂ + Tc)/2 T₁ - T₂ + Tc (T₁ - T₂ + Tc)/2 T₁ + T₂ + Tc ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which is positive drive? Flat belt drive V belt drive Crossed belt drive Timing belt Flat belt drive V belt drive Crossed belt drive Timing belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation 151 d 124 d 168 d 138 d 151 d 124 d 168 d 138 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are εc and εl respectively. The change in volume of the boiler cylinder per unit volume will be εc² + εl 2εc + εl εc + εl² εc + 2εl εc² + εl 2εc + εl εc + εl² εc + 2εl ANSWER DOWNLOAD EXAMIANS APP
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