Machine Design The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub) d/8 d/6 d/2 d/4 d/8 d/6 d/2 d/4 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A key way lowers The strength of the shaft The ductility of the shaft Both the strength and rigidity of the shaft The rigidity of the shaft The strength of the shaft The ductility of the shaft Both the strength and rigidity of the shaft The rigidity of the shaft 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 Shaft coupling is used in machinery to Reduce the transmission of shock loads All of these Introduce protection against over loads Introduce mechanical flexibility Reduce the transmission of shock loads All of these Introduce protection against over loads Introduce mechanical flexibility ANSWER DOWNLOAD EXAMIANS APP
Machine Design The designation M 33 × 2 of a bolt means Metric threads of 33 mm outside diameter and 2 mm pitch Metric threads of 33 numbers in 2 cm Metric threads with cross-section of 33 mm Bolt of 33 mm nominal diameter having 2 threads per cm Metric threads of 33 mm outside diameter and 2 mm pitch Metric threads of 33 numbers in 2 cm Metric threads with cross-section of 33 mm Bolt of 33 mm nominal diameter having 2 threads per cm ANSWER DOWNLOAD EXAMIANS APP
Machine Design The contact ratio for gears is Zero Greater than one None of these Less than one Zero Greater than one None of these Less than one ANSWER DOWNLOAD EXAMIANS APP
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