Theory of Machine The sense of Coriolis component is such that it Is along the sliding velocity vector Leads the sliding velocity vector by 90° Leads the sliding velocity vector by 180° Lags the sliding velocity vector by 90° Is along the sliding velocity vector Leads the sliding velocity vector by 90° Leads the sliding velocity vector by 180° Lags the sliding velocity vector by 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank) m.ω².r (sin 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (cos 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body is said to be under forced vibrations, when There is a reduction in amplitude after every cycle of vibration A body vibrates under the influence of external force No external force acts on a body, after giving it an initial displacement None of these There is a reduction in amplitude after every cycle of vibration A body vibrates under the influence of external force No external force acts on a body, after giving it an initial displacement None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine At the nodal point in a shaft, the amplitude for torsional vibration will be Zero Maximum Minimum Infinity Zero Maximum Minimum Infinity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For the same lift and same angle of ascent, a smaller base circle will give A small value of pressure angle There is no such relation with pressure angle Something else A large value of pressure angle A small value of pressure angle There is no such relation with pressure angle Something else A large value of pressure angle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A system in dynamic balance implies that There will absolutely no wear of bearings There is no critical speed in the system The system is critically damped The system is also statically balanced There will absolutely no wear of bearings There is no critical speed in the system The system is critically damped The system is also statically balanced ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS