Theory of Machine A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a Mechanism Kinematic chain Inversion Structure Mechanism Kinematic chain Inversion Structure ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the two elements of a pair have __________ when in motion, it is said to a lower pair. None of these Surface contact Body contact Line or point contact None of these Surface contact Body contact Line or point contact 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 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in Longitudinal vibrations All of these Transverse vibrations Torsional vibrations Longitudinal vibrations All of these Transverse vibrations Torsional vibrations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In under damped vibrating system, if x₁ and x₂ are the successive values of the amplitude on the same side of the mean position, then the logarithmic decrement is equal to loge(x₁/x₂) x₁/x₂ log(x₁.x₂) log(x₁/x₂) loge(x₁/x₂) x₁/x₂ log(x₁.x₂) log(x₁/x₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing with assumption of uniform pressure is _________ as compared to uniform wear. Less More None of the listed here Same Less More None of the listed here Same ANSWER DOWNLOAD EXAMIANS APP
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