Theory of Machine In under damped vibrating system, the amplitude of vibration Increases linearly with time Decreases exponentially with time Decreases linearly with time Increases exponentially with time Increases linearly with time Decreases exponentially with time Decreases linearly with time Increases exponentially with time ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a body is subjected to transverse vibrations, the stress induced in a body will be Shear stress Bending stress Compressive stress Tensile stress Shear stress Bending stress Compressive stress Tensile stress ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, if ω/ωn < 2, then for all values of damping factor, the transmissibility will be (where ω = Angular speed of the system, ωn = Natural frequency of vibration of the system) Zero Greater than unity Equal to unity Less than unity Zero Greater than unity Equal to unity Less than unity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a truncated conical pivot bearing, considering uniform wear, is (2/3). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosec α (r₁ + r₂) (2/3).μ W cosec α (r₁ + r₂) (2/3). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosec α (r₁ + r₂) (2/3).μ W cosec α (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Klein's construction can be used when Crank has uniform angular velocity and angular acceleration Crank has a uniform angular velocity Crank has uniform angular acceleration Crank has non-uniform velocity Crank has uniform angular velocity and angular acceleration Crank has a uniform angular velocity Crank has uniform angular acceleration Crank has non-uniform velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) μwr ¾μWR ²/₃ μWR ½μWR μwr ¾μWR ²/₃ μWR ½μWR ANSWER DOWNLOAD EXAMIANS APP
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