Theory of Machine The velocity of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by ωR cosθ ω(R - r₁) sinθ ω(R - r₁) cosθ ωr₁ sinθ ωR cosθ ω(R - r₁) sinθ ω(R - r₁) cosθ ωr₁ sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whirling speed of the shaft is the speed at which Shaft tends to vibrate vigorously in transverse direction Torsional vibrations occur Shaft tends to vibrate in longitudinal direction Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate vigorously in transverse direction Torsional vibrations occur Shaft tends to vibrate in longitudinal direction Combination of transverse and longitudinal vibration occurs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If two moving elements have surface contact in motion, such pair is known as Surface pair Sliding pair Higher pair Rolling pair Surface pair Sliding pair Higher pair Rolling pair 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 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. 5,367 r.p.m. 12,000 r.p.m. 6,000 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the nature of contact between the elements of a pair is such that it can only slide relative to the other, the pair is known as a Spherical pair Turning pair Sliding pair Screw pair Spherical pair Turning pair Sliding pair Screw pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a locomotive, the maximum magnitude of the unbalanced force along the perpendicular to the line of stroke, is known as Swaying couple Hammer blow None of these Tractive force Swaying couple Hammer blow None of these Tractive force ANSWER DOWNLOAD EXAMIANS APP
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