Theory of Machine The velocity of the belt for maximum power is (where m = Mass of the belt in kg per meter length) (T.g)/3 √(T/3m) T/3 √(3m/T) (T.g)/3 √(T/3m) T/3 √(3m/T) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine To transmit power from one rotating shaft to another whose axes are neither parallel nor intersecting, use? Bevel gear Spur gear Worm gear Spiral gear Bevel gear Spur gear Worm gear Spiral gear ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is 20 10 30 34 20 10 30 34 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have two elements that Have line contact Have surface contact Are held together Permit relative motion Have line contact Have surface contact Are held together Permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The contact ratio is given by (Length of the arc of contact)/(Circular pitch) (Length of path of recess)/(Circular pitch) (Length of the path of approach)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of the arc of contact)/(Circular pitch) (Length of path of recess)/(Circular pitch) (Length of the path of approach)/(Circular pitch) (Length of the arc of approach)/cosφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In under damped vibrating system, if x₁ and x₂ are the successive values of the amplitude on the same side of the mean position, then the logarithmic decrement is equal to loge(x₁/x₂) log(x₁/x₂) x₁/x₂ log(x₁.x₂) loge(x₁/x₂) log(x₁/x₂) x₁/x₂ log(x₁.x₂) ANSWER DOWNLOAD EXAMIANS APP