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 90° 0° 360° 180° 90° 0° 360° 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a radial cam, the follower moves In any direction irrespective of the cam axis In a direction parallel to the cam axis Along the cam axis In a direction perpendicular to the cam axis In any direction irrespective of the cam axis In a direction parallel to the cam axis Along the cam axis In a direction perpendicular to the cam axis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m). (dx/dt) + (s/m). x = 0. If the roots of this equation are real, then the system will be Under damped Without vibrations Over-damped Critically damped Under damped Without vibrations Over-damped Critically damped ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When two pulleys are connected by means of a cross belt drive, then both the pulleys will rotate in _________ directions. None of these Perpendicular Same Opposite None of these Perpendicular Same Opposite 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) [(r + R) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lower the load W is given by P = W cos(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W tan(α + φ) P = W cos(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W tan(α + φ) ANSWER DOWNLOAD EXAMIANS APP
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