Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.4 0.2 0.8 0.6 0.4 0.2 0.8 0.6 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called Clearance circle Dedendum circle Pitch circle Addendum circle Clearance circle Dedendum circle Pitch circle Addendum circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a higher pair? Screw pair Belt and pulley Turning pair Sliding pair Screw pair Belt and pulley Turning pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have two elements that Are held together Have line contact Have surface contact Permit relative motion Are held together Have line contact Have surface contact Permit relative motion 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
Theory of Machine An automobile steering gear is an example of Lower pair Rolling pair Sliding pair Higher pair Lower pair Rolling pair Sliding pair Higher pair ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS