Theory of Machine The Coriolis component of acceleration leads the sliding velocity by 135° 90° 180° 45° 135° 90° 180° 45° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is said to be stable if the controlling force line when produced intersects the Y-axis Below the origin Any one of these Above the origin At the origin Below the origin Any one of these Above the origin At the origin ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have two elements that Have surface contact Are held together Have line contact Permit relative motion Have surface contact Are held together Have line contact Permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank) m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, the acceleration of the piston is _________ when the crank OC and connecting rod PC are at right angles to each other. Zero Any +ve value Infinity Any -ve value Zero Any +ve value Infinity Any -ve value ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a slider moves on a fixed link having curved surface, their instantaneous centre lies At the centre of circle On their point of contact At the centre of curvature At the pin joint At the centre of circle On their point of contact At the centre of curvature At the pin joint ANSWER DOWNLOAD EXAMIANS APP