Theory of Machine In a flat collar pivot bearing, the moment due to friction is proportional to (r₁³ - r₂³)/(r₁ - r₂) (r₁² - r₂²)/(r₁ - r₂) (r₁² - r₂²)/(r₁ + r₂) (r₁³ - r₂³)/(r₁² - r₂²) (r₁³ - r₂³)/(r₁ - r₂) (r₁² - r₂²)/(r₁ - r₂) (r₁² - r₂²)/(r₁ + r₂) (r₁³ - r₂³)/(r₁² - r₂²) 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, if N coincides with O, then Acceleration of the piston P is zero and its velocity is maximum Acceleration and velocity of the piston P is zero Acceleration of the piston P is maximum and its velocity is zero Acceleration and velocity of the piston P is maximum Acceleration of the piston P is zero and its velocity is maximum Acceleration and velocity of the piston P is zero Acceleration of the piston P is maximum and its velocity is zero Acceleration and velocity of the piston P is maximum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Oldham’s coupling is an inversion of the kinematic chain used in Whitworth quick return mechanism Universal joint Rotary engine Elliptical trammels Whitworth quick return mechanism Universal joint Rotary engine Elliptical trammels ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body in motion will be subjected to Coriolis acceleration when that body is In plane rotation with variable velocity In plane motion which is a resultant of plane translation and rotation Restrained to rotate while sliding over another body In plane translation with variable velocity In plane rotation with variable velocity In plane motion which is a resultant of plane translation and rotation Restrained to rotate while sliding over another body In plane translation with variable velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn = 2, where co is the frequency of excitation and ωn is the natural frequency of vibrations, then the transmissibility of vibration will the 2 1 1.5 0.5 2 1 1.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Under logarithmic decrement, the amplitude of successive vibrations are Constant In logarithmic progression In arithmetic progression In geometric progression Constant In logarithmic progression In arithmetic progression In geometric progression ANSWER DOWNLOAD EXAMIANS APP
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