Theory of Machine Cylindrical cams can be classified as None of these Reciprocating Tangent Circular None of these Reciprocating Tangent Circular ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 45° - φ/2 α = 45° + φ/2 α = 90° - φ α = 90° + φ α = 45° - φ/2 α = 45° + φ/2 α = 90° - φ α = 90° + φ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become fn/2 2 fn 4 fn 8 fn fn/2 2 fn 4 fn 8 fn ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the belt for maximum power is (where m = Mass of the belt in kg per meter length) √(3m/T) T/3 √(T/3m) (T.g)/3 √(3m/T) T/3 √(T/3m) (T.g)/3 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For a kinematic chain to be considered as mechanism There is no such criterion None of the links should be fixed One link should be fixed Two links should be fixed There is no such criterion None of the links should be fixed One link should be fixed Two links should be fixed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a kinematic chain, a quaternary joint is equivalent to One binary joint Two binary joints Three binary joints Four binary joints One binary joint Two binary joints Three binary joints Four binary joints ANSWER DOWNLOAD EXAMIANS APP