Theory of Machine The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in All of these Longitudinal vibrations Transverse vibrations Torsional vibrations All of these Longitudinal vibrations Transverse vibrations Torsional vibrations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The C.G. of a link in any mechanism would experience Angular acceleration Both angular and linear accelerations No acceleration Linear acceleration Angular acceleration Both angular and linear accelerations No acceleration Linear acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statement is correct for involute gears? The variation in centre distance of shafts increases radial force. The pressure angle is constant throughout the teeth engagement. The interference is inherently absent. A convex flank is always in contact with concave flank. The variation in centre distance of shafts increases radial force. The pressure angle is constant throughout the teeth engagement. The interference is inherently absent. A convex flank is always in contact with concave flank. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The retardation of a flat faced follower when it has contact at the apex of the nose of a circular arc cam, is given by (where OQ = Distance between the centre of circular flank and centre of nose) ω² × OQ sinθ ω² × OQ tanθ ω² × OQ cosθ ω² × OQ ω² × OQ sinθ ω² × OQ tanθ ω² × OQ cosθ ω² × OQ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, the transmissibility will be equal to unity, for all values of damping factor, if ω/ωn is Equal to 1 Greater than 2 Equal to 2 Less than 2 Equal to 1 Greater than 2 Equal to 2 Less than 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an inversion of Single slider crank chain? Rotary engine Beam engine Oldham’s coupling Elliptical trammel Rotary engine Beam engine Oldham’s coupling Elliptical trammel ANSWER DOWNLOAD EXAMIANS APP
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