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 0.4 0.2 0.6 0.8 0.4 0.2 0.6 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary unbalanced force is maximum _________ in one revolution of the crank. Eight times Twice Sixteen times Four times Eight times Twice Sixteen times Four times ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration acts At 45° to the sliding surface Along the sliding surface Parallel to the sliding surface Perpendicular to the sliding surface At 45° to the sliding surface Along the sliding surface Parallel to the sliding surface Perpendicular to the sliding surface ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be Slightly more than 45 mm Slightly less than 45 mm 95 mm 45 mm Slightly more than 45 mm Slightly less than 45 mm 95 mm 45 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a disc clutch, if there are n₁ number of discs on the driving shaft and n₂ number of discs on the driven shaft, then the number of pairs of contact surfaces will be n₁ + n₂ n₁ + n₂ - 2 n₁ + n₂ + 1 n₁ + n₂ - 1 n₁ + n₂ n₁ + n₂ - 2 n₁ + n₂ + 1 n₁ + n₂ - 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Power of a governor is the Mean force exerted at the sleeve for a given percentage change of speed None of these Mean force exerted at the sleeve for maximum equilibrium speed Work-done at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for a given percentage change of speed None of these Mean force exerted at the sleeve for maximum equilibrium speed Work-done at the sleeve for maximum equilibrium speed ANSWER DOWNLOAD EXAMIANS APP