Machine Design In Vickers hardness testing, the pyramid indentor apex is 152° 136° 40° 122° 152° 136° 40° 122° ANSWER DOWNLOAD EXAMIANS APP
Machine Design At low temperatures (say 75°C) the notched bar impact value of steel Decreases markedly Depends on heat treatment carried out Remain same Increases markedly Decreases markedly Depends on heat treatment carried out Remain same Increases markedly ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centre distance between two meshing involute gears is equal to Difference of pitch circle radii/cosφ Difference of base circle radii/cosφ Sum of base circle radii/cosφ Sum of pitch circle radii/cosφ Difference of pitch circle radii/cosφ Difference of base circle radii/cosφ Sum of base circle radii/cosφ Sum of pitch circle radii/cosφ ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw will be self locking, if Efficiency of screw is 100% Friction angle is more than helix angle Friction angle is equal to helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is more than helix angle Friction angle is equal to helix angle Friction angle is less than helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a sleeve coupling, length of the sleeve is taken as (where d = Diameter of the shaft) 2d + 13 mm 3.5 d 2d + 20 mm d + 17 mm 2d + 13 mm 3.5 d 2d + 20 mm d + 17 mm 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 T₁ + T₂ + Tc (T₁ - T₂ + Tc)/2 (T₁ + T₂ + Tc)/2 T₁ - T₂ + Tc T₁ + T₂ + Tc (T₁ - T₂ + Tc)/2 (T₁ + T₂ + Tc)/2 ANSWER DOWNLOAD EXAMIANS APP
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