Theory of Machine Which of the following mechanisms produces mathematically an exact straight line motion? Peaucellier's mechanism Tchebicheff mechanism Watt mechanism Grasshopper mechanism Peaucellier's mechanism Tchebicheff mechanism Watt mechanism Grasshopper mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The factional torque for square thread at the mean radius r while raising load W is given by T = W.r tan(φ - α) T = W.r tanφ T = W.r tan(φ + α) T = W.r tanα T = W.r tan(φ - α) T = W.r tanφ T = W.r tan(φ + α) T = W.r tanα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point on a connecting link (excluding end points) of a double slider crank mechanism traces a Parabolic path Hyperbolic path Elliptical path Straight line path Parabolic path Hyperbolic path Elliptical path Straight line path 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 90° 0° 360° 180° 90° 0° 360° 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Angular acceleration of a link can be determined by dividing the Tangential component of acceleration with length of link Centripetal component of acceleration with length of link All of these Resultant acceleration with length of link Tangential component of acceleration with length of link Centripetal component of acceleration with length of link All of these Resultant acceleration with length of link ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Tangential acceleration direction is Perpendicular to angular velocity Opposite to angular velocity May be any one of these Along the angular velocity Perpendicular to angular velocity Opposite to angular velocity May be any one of these Along the angular velocity ANSWER DOWNLOAD EXAMIANS APP