Theory of Machine If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, then energy stored in the latter at the same speed will be Four times the first one One fourth of the first one One and a half times the first one Same as the first one Four times the first one One fourth of the first one One and a half times the first one Same as the first one ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A typewriter mechanism has 7 numbers of binary joints, six links and none of higher pairs. The mechanism is Kinematically sound Not sound Soundness would depend upon which link is kept fixed Data is not sufficient to determine same Kinematically sound Not sound Soundness would depend upon which link is kept fixed Data is not sufficient to determine same 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 tanθ ω² × OQ sinθ ω² × OQ cosθ ω² × OQ ω² × OQ tanθ ω² × OQ sinθ ω² × OQ cosθ ω² × OQ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The instantaneous centers which vary with the configuration of mechanism are called Fixed instantaneous centers Permanent instantaneous centers Neither fixed nor permanent instantaneous centers None of these Fixed instantaneous centers Permanent instantaneous centers Neither fixed nor permanent instantaneous centers None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 45° + φ/2 α = 45° - φ/2 α = 90° - φ α = 90° + φ α = 45° + φ/2 α = 45° - φ/2 α = 90° - φ α = 90° + φ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is 0° and 90° None of these 180° and 360° Both (A) and (B) 0° and 90° None of these 180° and 360° Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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