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 Kinematic chain Structure Mechanism Inversion Kinematic chain Structure Mechanism Inversion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Pitch point on a cam is The point on cam pitch curve having the minimum pressure angle Any point on pitch circle Any point on pitch curve The point on cam pitch curve having the maximum pressure angle The point on cam pitch curve having the minimum pressure angle Any point on pitch circle Any point on pitch curve The point on cam pitch curve having the maximum pressure angle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Robert’s mechanism Watt’s mechanism Grasshopper mechanism Peaucellier’s mechanism Robert’s mechanism Watt’s mechanism Grasshopper mechanism Peaucellier’s mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of piston in a reciprocating steam engine is given by (where ω = Angular velocity of crank, r = Radius of crank pin circle, θ = Angle turned by crank from inner dead center, and n = Ratio of length of connecting rod to the radius of crank) ωr [cos θ + (cos 2θ/n)] ωr [sin θ + (sin 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ωr [cos θ + (cos 2θ/n)] ωr [sin θ + (sin 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine What is the number of instantaneous centers for an eight link mechanism? 28 30 8 15 28 30 8 15 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A slider moves at a velocity v on a link revolving at ω rad/s. The coriolis component of acceleration is 2ωv² ω²v ωv 2ωv 2ωv² ω²v ωv 2ωv ANSWER DOWNLOAD EXAMIANS APP
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