Theory of Machine Which of the following mechanism is obtained from lower pair? Valve and valve gears Gyroscope Pantograph All of these Valve and valve gears Gyroscope Pantograph All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle) cos (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The method of obtaining different mechanisms by fixing in turn different links in a kinematic chain, is known as Machine Structure Compound mechanism Inversion Machine Structure Compound mechanism Inversion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of maximum fluctuation of speed to the mean speed is called Maximum fluctuation of speed None of these Coefficient of fluctuation of speed Fluctuation of speed Maximum fluctuation of speed None of these Coefficient of fluctuation of speed Fluctuation of speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotating shafts tend to vibrate violently at whirling speeds because The system is unbalanced The shafts are rotating at very high speeds Resonance is caused due to the heavy mass of the rotor Bearing centre line coincides with the axis The system is unbalanced The shafts are rotating at very high speeds Resonance is caused due to the heavy mass of the rotor Bearing centre line coincides with the axis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The component of the acceleration, perpendicular to the velocity of the particle, at the given instant is called Coriolis component Tangential component None of these Radial component Coriolis component Tangential component None of these Radial component ANSWER DOWNLOAD EXAMIANS APP