Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.8 0.6 0.2 0.4 0.8 0.6 0.2 0.4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Cylindrical cams can be classified as Reciprocating None of these Circular Tangent Reciprocating None of these Circular Tangent ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statement is correct for involute gears? The variation in centre distance of shafts increases radial force. The interference is inherently absent. The pressure angle is constant throughout the teeth engagement. A convex flank is always in contact with concave flank. The variation in centre distance of shafts increases radial force. The interference is inherently absent. The pressure angle is constant throughout the teeth engagement. A convex flank is always in contact with concave flank. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted on the sleeve at max. and min. radii of rotation, and h = Compression of the spring) (S₁ + S₂) / 2h (S₁ - S₂) / h (S₁ - S₂) / 2h (S₁ + S₂) / h (S₁ + S₂) / 2h (S₁ - S₂) / h (S₁ - S₂) / 2h (S₁ + S₂) / h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is 34 30 20 10 34 30 20 10 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is 0° and 90° 0° and 180° 90° and 180° 180° and 360° 0° and 90° 0° and 180° 90° and 180° 180° and 360° ANSWER DOWNLOAD EXAMIANS APP
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