Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Watt’s mechanism Grasshopper mechanism Peaucellier’s mechanism Robert’s mechanism Watt’s mechanism Grasshopper mechanism Peaucellier’s mechanism Robert’s mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Cross head and guides form a Turning pair Lower pair Higher pair Sliding pair Turning pair Lower pair Higher pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the radius of gyration of a compound pendulum about an axis through e.g. is more, then its frequency of oscillation will be More Same Data are insufficient to determine same Less More Same Data are insufficient to determine same Less ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A kinematic chain requires at least 3 links and 4 turning pairs 5 links and 4 turning pairs 2 links and 3 turning pairs 4 links and 4 turning pairs 3 links and 4 turning pairs 5 links and 4 turning pairs 2 links and 3 turning pairs 4 links and 4 turning pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The condition for correct steering of a Davis steering gear is (where α = Angle of inclination of the links to the vertical) cosα = c/b sinα = b/c cotα = c/2b tanα = c/2b cosα = c/b sinα = b/c cotα = c/2b tanα = c/2b ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to One Zero π/2 π One Zero π/2 π ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS