Theory of Machine Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is 30 10 34 20 30 10 34 20 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The displacement of the reciprocating roller follower, when it has contact with the straight flanks of the tangent cam, is given by (where r₁ = Minimum radius of the cam, r₂ = Radius of the roller follower, and θ = Angle turned by the cam from the beginning of the follower displacement) (r₁ + r₂) (1 + cosθ) (r₁ + r₂) [(1 - cosθ)/cosθ] (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ - r₂) (1 - cosθ) (r₁ + r₂) (1 + cosθ) (r₁ + r₂) [(1 - cosθ)/cosθ] (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ - r₂) (1 - cosθ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of the driving tensions for V-belts is __________ times that of flat belts.(Where β = Semi-angle of the groove) cosβ sinβ cosecβ secβ cosβ sinβ cosecβ secβ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 6π Hz 3π Hz 6 Hz 3 Hz 6π Hz 3π Hz 6 Hz 3 Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a higher pair? Sliding pair Belt and pulley Turning pair Screw pair Sliding pair Belt and pulley Turning pair Screw pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The main disadvantage of the sliding pair is that it is Bulky Wears rapidly Both (A) and (B) above Difficult to manufacture Bulky Wears rapidly Both (A) and (B) above Difficult to manufacture ANSWER DOWNLOAD EXAMIANS APP