Theory of Machine The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (θ) is equal to 270° and 360° 0° and 90° 135° and 315° 90° and 180° 270° and 360° 0° and 90° 135° and 315° 90° and 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A single degree of freedom system is given by, m × (d²x/dt²) + c × (dx/dt) + sx = F.cosω.t with usual notations. It represents Free vibration with damping Forced vibration without damping Forced vibration with damping Free vibration without damping Free vibration with damping Forced vibration without damping Forced vibration with damping Free vibration without damping ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle) [(r² + R²) cosφ]/2 [(r + R) sinφ]/2 [(r² + R²) sinφ]/2 [(r + R) cosφ]/2 [(r² + R²) cosφ]/2 [(r + R) sinφ]/2 [(r² + R²) sinφ]/2 [(r + R) cosφ]/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Any point on a link connecting double slider crank chain will trace a Parabola Ellipse Straight line Circle Parabola Ellipse Straight line Circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, the link constitutes a Crank pin, crankshaft and flywheel All of these Piston, piston rod and cross-head Connecting rod with big and small end brasses, caps and bolts Crank pin, crankshaft and flywheel All of these Piston, piston rod and cross-head Connecting rod with big and small end brasses, caps and bolts ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 0° 90° 360° 180° 0° 90° 360° 180° ANSWER DOWNLOAD EXAMIANS APP
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