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 the equation are __________ then the system will be under damped. Real None of these Complex conjugate Equal Real None of these Complex conjugate Equal ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Governor is used in automobile to Decrease the variation of speed Maximize the fuel economy Limit the vehicle speed Maintain constant engine speed Decrease the variation of speed Maximize the fuel economy Limit the vehicle speed Maintain constant engine speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration acts Perpendicular to the sliding surface Parallel to the sliding surface At 45° to the sliding surface Along the sliding surface Perpendicular to the sliding surface Parallel to the sliding surface At 45° to the sliding surface Along the sliding surface ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as Spherical pair Turning pair Sliding pair Rolling pair Spherical pair Turning pair Sliding pair Rolling pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The minimum periodic time of a compound pendulum is (1/2π). √(2kG/g) 2π. √(2kG/g) (1/2π). √(kG/g) 2π. √(kG/g) (1/2π). √(2kG/g) 2π. √(2kG/g) (1/2π). √(kG/g) 2π. √(kG/g) 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 45 mm 95 mm Slightly more than 45 mm Slightly less than 45 mm 45 mm 95 mm Slightly more than 45 mm Slightly less than 45 mm ANSWER DOWNLOAD EXAMIANS APP
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