Theory of Machine Lower pairs are those which have Two elements that permit relative motion Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Two elements that permit relative motion Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is __________ the primary unbalanced force. One-half n times Two-third 1/n times One-half n times Two-third 1/n times 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 P with respect to the crank-pin C is given by ω² × NO ω² × QN ω² × CN ω² × CO ω² × NO ω² × QN ω² × CN ω² × CO ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point on a link connecting double slider crank chain traces a Circle Ellipse Hyperbola Parabola Circle Ellipse Hyperbola Parabola ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft carrying two rotors at its ends will have Three nodes Two nodes No node One node Three nodes Two nodes No node One node ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is 5,367 r.p.m. 12,000 r.p.m. 6,000 r.p.m. 9,360 r.p.m. 5,367 r.p.m. 12,000 r.p.m. 6,000 r.p.m. 9,360 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
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