Theory of Machine The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m).(dx/dt) + (s/m).x = 0, if the roots of the equation are __________ then the system will be under damped. Equal Real None of these Complex conjugate Equal Real None of these Complex conjugate ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Davis steering gear consists of Rolling pairs Turning pairs Higher pairs Sliding pairs Rolling pairs Turning pairs Higher pairs Sliding pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The displacement of the reciprocating roller follower, when it has contact with the straight flanks of the tangent cam, is given by (where r₁ = Minimum radius of the cam, r₂ = Radius of the roller follower, and θ = Angle turned by the cam from the beginning of the follower displacement) (r₁ - r₂) (1 - cosθ) (r₁ + r₂) [(1 - cosθ)/cosθ] (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) (1 + cosθ) (r₁ - r₂) (1 - cosθ) (r₁ + r₂) [(1 - cosθ)/cosθ] (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) (1 + cosθ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The approximate straight line mechanism is a 6 bar linkage Four bar linkage 8 bar linkage 3 bar linkage 6 bar linkage Four bar linkage 8 bar linkage 3 bar linkage ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A slider crank chain consists of following numbers of turning and sliding pairs 2, 2 3, 1 4, 0 1, 3 2, 2 3, 1 4, 0 1, 3 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will Reduce length of effective stroke of piston All of these Reduce maximum opening of port to steam Cause withdrawing or throttling of steam Reduce length of effective stroke of piston All of these Reduce maximum opening of port to steam Cause withdrawing or throttling of steam ANSWER DOWNLOAD EXAMIANS APP
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