Theory of Machine The acceleration of a particle at any instant has two components i.e. radial component and tangential component. These two components will be Opposite to each other Perpendicular to each other Parallel to each other Inclined at 45° Opposite to each other Perpendicular to each other Parallel to each other Inclined at 45° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a lower pair? Ball and socket i Cam and follower Piston and cylinder Both (A) and (B) above Ball and socket i Cam and follower Piston and cylinder Both (A) and (B) above ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When brakes are applied to all the four wheels of a moving car, the distance traveled by the car before it is brought to rest, will be Minimum Zero Maximum None of these Minimum Zero Maximum None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary unbalanced force is maximum _________ in one revolution of the crank. Sixteen times Twice Eight times Four times Sixteen times Twice Eight times Four times ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn = 2, where co is the frequency of excitation and ωn is the natural frequency of vibrations, then the transmissibility of vibration will the 0.5 1.5 2 1 0.5 1.5 2 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft) (1/2π). √(q/I) 1/2π 2π qI 2π. √(q/I) (1/2π). √(q/I) 1/2π 2π qI 2π. √(q/I) ANSWER DOWNLOAD EXAMIANS APP
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