Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 3 Hz 6π Hz 3π Hz 6 Hz 3 Hz 6π Hz 3π Hz 6 Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The acceleration of the particle moving with simple harmonic motion is _________ at the mean position. Zero None of these Minimum Maximum Zero None of these Minimum Maximum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a single slider crank chain Two are turning pairs and two are sliding pairs Three are turning pairs and one is a sliding pair Each of the four pairs is a turning pair One is a turning pair and three are sliding pairs Two are turning pairs and two are sliding pairs Three are turning pairs and one is a sliding pair Each of the four pairs is a turning pair One is a turning pair and three are sliding pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Torsional vibrations are said to occur when the particles of a body moves Parallel to its axis Perpendicular to its axis In a circle about its axis None of these Parallel to its axis Perpendicular to its axis In a circle about its axis None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a disc clutch, if there are n₁ number of discs on the driving shaft and n₂ number of discs on the driven shaft, then the number of pairs of contact surfaces will be n₁ + n₂ - 2 n₁ + n₂ + 1 n₁ + n₂ - 1 n₁ + n₂ n₁ + n₂ - 2 n₁ + n₂ + 1 n₁ + n₂ - 1 n₁ + n₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the anticlockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) ω₁.ω₂.r (ω₁ + ω₂) r (ω₁ - ω₂) 2r (ω₁ - ω₂) r ω₁.ω₂.r (ω₁ + ω₂) r (ω₁ - ω₂) 2r (ω₁ - ω₂) r ANSWER DOWNLOAD EXAMIANS APP
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