Theory of Machine A cam with a roller follower would constitute following type of pair Close pair Open pair Higher pair Lower pair Close pair Open pair Higher pair Lower pair 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) ω²r [sin θ + (sin 2θ/n)] ωr [sin θ + (sin 2θ/n)] ωr [cos θ + (cos 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ωr [sin θ + (sin 2θ/n)] ωr [cos θ + (cos 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The component of the acceleration, perpendicular to the velocity of the particle, at the given instant is called None of these Coriolis component Tangential component Radial component None of these Coriolis component Tangential component Radial component ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Tangential acceleration direction is Along the angular velocity May be any one of these Perpendicular to angular velocity Opposite to angular velocity Along the angular velocity May be any one of these Perpendicular to angular velocity Opposite to angular velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to balance the reciprocating masses, Secondary forces and couples must be balanced Primary forces and couples must be balanced None of these Both (A) and (B) Secondary forces and couples must be balanced Primary forces and couples must be balanced None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If two moving elements have surface contact in motion, such pair is known as Rolling pair Higher pair Surface pair Sliding pair Rolling pair Higher pair Surface pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP