Theory of Machine Sense of tangential acceleration of a link Is same as that of velocity Is perpendicular to that of velocity Could be either same or opposite to velocity Is opposite to that of velocity Is same as that of velocity Is perpendicular to that of velocity Could be either same or opposite to velocity Is opposite to that of velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The condition for correct steering of a Davis steering gear is (where α = Angle of inclination of the links to the vertical) sinα = b/c cosα = c/b tanα = c/2b cotα = c/2b sinα = b/c cosα = c/b tanα = c/2b cotα = c/2b ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the damping factor for a vibrating system is unity, then the system will be Over damped Without vibrations Under damped Critically damped Over damped Without vibrations Under damped Critically damped ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Efficiency of a screw jack is given by tan (α - φ)/tanα tan (α + φ)/tanα tanα/tan (α - φ) tanα/tan (α +φ) tan (α - φ)/tanα tan (α + φ)/tanα tanα/tan (α - φ) tanα/tan (α +φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of spherical pair is Ball bearing and roller bearing Ball and socket joint Lead screw of a lathe Bolt and nut Ball bearing and roller bearing Ball and socket joint Lead screw of a lathe Bolt and nut ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Open pairs are those which have Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Two elements that permit relative motion Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Two elements that permit relative motion ANSWER DOWNLOAD EXAMIANS APP
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