Machine Design For a shoe brake, the equivalent coefficient of friction is equal to (where μ = Actual coefficient of friction, and θ = Semi-block angle) 4μ sinθ/(2θ + sin 2θ) 2μ sinθ/(θ + sinθ) 4μ sinθ/(θ + sinθ) μ sinθ/(2θ + sin 2θ) 4μ sinθ/(2θ + sin 2θ) 2μ sinθ/(θ + sinθ) 4μ sinθ/(θ + sinθ) μ sinθ/(2θ + sin 2θ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design When two helical springs of equal lengths are arranged to form a cluster spring, then Shear stress in each spring will be equal Both A and B is correct Load taken by each spring will be half the total load Only A is correct Shear stress in each spring will be equal Both A and B is correct Load taken by each spring will be half the total load Only A is correct ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Indian standards, total numbers of fundamental deviations are 10 15 20 25 10 15 20 25 ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the tearing efficiency of a riveted joint is 75%, then the ratio of diameter of rivet to the pitch is equal to 0.5 0.6 0.25 0.2 0.5 0.6 0.25 0.2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design An open coiled helical compression spring 'A' of mean diameter 50 mm is subjected to an axial load ‘W’. Another spring 'B' of mean diameter 25 mm is similar to spring 'A' in all respects. The deflection of spring 'B' will be __________ as compared to spring 'A'. One-eighth One-fourth One-half Double One-eighth One-fourth One-half Double ANSWER DOWNLOAD EXAMIANS APP
Machine Design A connecting rod is designed as a Short column Long column Strut All of these Short column Long column Strut All of these ANSWER DOWNLOAD EXAMIANS APP