Theory of Machine Kinematic pairs are those which have Two elements that permit relative motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Surface contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Inertia force acts Perpendicular to the acceleration force Along the direction of acceleration force None of the listed here Opposite to the direction of acceleration force Perpendicular to the acceleration force Along the direction of acceleration force None of the listed here Opposite to the direction of acceleration force ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A chain comprises of 5 links having 5 joints. Is it kinematic chain? No It is a marginal case Yes Data are insufficient to determine it No It is a marginal case Yes Data are insufficient to determine it ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The train value of a gear train is Equal to velocity ratio of a gear train Always greater than unity Reciprocal of velocity ratio of a gear train Always less than unity Equal to velocity ratio of a gear train Always greater than unity Reciprocal of velocity ratio of a gear train Always less than unity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The gear train usually employed in clocks is a Differential gear Simple gear train Sun and planet gear Reverted gear train Differential gear Simple gear train Sun and planet gear Reverted gear train 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 [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ωr [cos θ + (cos 2θ/n)] ωr [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ωr [cos θ + (cos 2θ/n)] ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS