Theory of Machine The method of direct and reverse cranks is used in engines for The control of speed fluctuations Vibration analysis Kinematic analysis Balancing of forces and couples The control of speed fluctuations Vibration analysis Kinematic analysis Balancing of forces and couples ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The sense of Coriolis component is such that it Lags the sliding velocity vector by 90° Leads the sliding velocity vector by 90° Is along the sliding velocity vector Leads the sliding velocity vector by 180° Lags the sliding velocity vector by 90° Leads the sliding velocity vector by 90° Is along the sliding velocity vector Leads the sliding velocity vector by 180° ANSWER DOWNLOAD EXAMIANS APP
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 180° 360° 90° 0° 180° 360° 90° 0° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a point moves along a straight line, its acceleration will have Coriolis component only Radial and tangential components both Radial component only Tangential component only Coriolis component only Radial and tangential components both Radial component only Tangential component only ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following governor is used to drive a gramophone? Hartnell governor Porter governor Pickering governor Watt governor Hartnell governor Porter governor Pickering governor Watt governor 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
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