Theory of Machine Instantaneous center of rotation of a link in a four bar mechanism lies on A point obtained by intersection on extending adjoining links Can’t occur Right side pivot of this link Left side pivot of this link A point obtained by intersection on extending adjoining links Can’t occur Right side pivot of this link Left side pivot of this link ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A foot step bearing and rotor of a vertical turbine form examples of Incompletely constrained motion Partially constrained motion Successfully constrained motion Completely constrained motion Incompletely constrained motion Partially constrained motion Successfully constrained motion Completely constrained motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body) 1/2π × √(g/δ) Any one of the listed here 1/2π × √(s/m) 0.4985/√δ 1/2π × √(g/δ) Any one of the listed here 1/2π × √(s/m) 0.4985/√δ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism consisting of three turning pairs and one sliding pair, is called a All of these Crank and slotted lever quick return motion mechanism Single slider crank chain Whitworth quick return motion mechanism All of these Crank and slotted lever quick return motion mechanism Single slider crank chain Whitworth quick return motion mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as CE and CS respectively. The kinetic energy of the flywheel is given by W CE / CS W CE / 2CS 2 W CE / CS W CS / 2CE W CE / CS W CE / 2CS 2 W CE / CS W CS / 2CE ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pair is a Closed pair Open pair Sliding pair Point contact pair Closed pair Open pair Sliding pair Point contact pair ANSWER DOWNLOAD EXAMIANS APP
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