Theory of Machine To obviate axial thrust, following gear drive is used Double helical gears having identical teeth Single helical gear in which one of the teeth of helix angle a is more Mutter gears Double helical gears having opposite teeth Double helical gears having identical teeth Single helical gear in which one of the teeth of helix angle a is more Mutter gears Double helical gears having opposite teeth ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Bifilar suspension method is used to determine Natural frequency of vibration Position of balancing weights Moment of inertia Centripetal acceleration Natural frequency of vibration Position of balancing weights Moment of inertia Centripetal acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) ω × 2π π/ω 2π/ω ω/2π ω × 2π π/ω 2π/ω ω/2π ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body is said to be under forced vibrations, when There is a reduction in amplitude after every cycle of vibration No external force acts on a body, after giving it an initial displacement A body vibrates under the influence of external force None of these There is a reduction in amplitude after every cycle of vibration No external force acts on a body, after giving it an initial displacement A body vibrates under the influence of external force None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The displacement of a flat faced follower when it has contact with the flank of a circular arc cam, is given by (where R = Radius of flank, r₁ = Minimum radius of the cam, and θ = Angle turned through by the cam) R (1 - cosθ) (R - r₁) (1 - cosθ) R (1 - sinθ) (R - r₁) (1 - sinθ) R (1 - cosθ) (R - r₁) (1 - cosθ) R (1 - sinθ) (R - r₁) (1 - sinθ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 360° 90° 180° 0° 360° 90° 180° 0° ANSWER DOWNLOAD EXAMIANS APP
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