Theory of Machine The unbalanced primary forces in a reciprocating engine are Balanced partially Balanced completely Balanced by secondary forces Not balanced Balanced partially Balanced completely Balanced by secondary forces Not balanced 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 6 Hz 3π Hz 3 Hz 6π Hz 6 Hz 3π Hz 3 Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For fluctuating loads, well suited bearing is Thrust bearing Ball bearing Needle roller bearing Roller bearing Thrust bearing Ball bearing Needle roller bearing Roller bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a slider moves on a fixed link having curved surface, their instantaneous centre lies At the pin joint On their point of contact At the centre of curvature At the centre of circle At the pin joint On their point of contact At the centre of curvature At the centre of circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The height of a Watt's governor is Inversely proportional to speed Inversely proportional to (speed)² Directly proportional to (speed)² Directly proportional to speed Inversely proportional to speed Inversely proportional to (speed)² Directly proportional to (speed)² Directly proportional to speed 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)/cosθ] (r₁ - r₂) (1 - cosθ) (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] ANSWER DOWNLOAD EXAMIANS APP