Theory of Machine Lower pairs are those which have Elements of pairs not held together mechanically Two elements that permit relative motion Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Two elements that permit relative motion Point or line contact between the two elements when in motion Surface contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimed stroke respectively, is Zero and minimum Maximum and zero Minimum and maximum Zero and maximum Zero and minimum Maximum and zero Minimum and maximum Zero and maximum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the primary direct crank of a reciprocating engine makes an angle of 'θ' with the line of stroke, then the secondary direct crank will make an angle of _________ with the line of stroke. θ 4θ 2θ θ/2 θ 4θ 2θ θ/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The locus of a point on a thread unwound from a cylinder will be A circle Cycloidal Involute A straight line A circle Cycloidal Involute A straight line ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The stress induced in a body will be shear stress, when it is subjected to Longitudinal vibrations Torsional vibrations Transverse vibrations None of these Longitudinal vibrations Torsional vibrations Transverse vibrations None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Ackermann steering mechanism is preferred to the Davis type in automobiles because The former is having turning pair The former is most rigid The former is mathematically accurate The former is most economical The former is having turning pair The former is most rigid The former is mathematically accurate The former is most economical ANSWER DOWNLOAD EXAMIANS APP
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