Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become 4 fn 8 fn 2 fn fn/2 4 fn 8 fn 2 fn fn/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation between number of links (l) and number of joints (j) in a kinematic chain is l = (3/4).(j + 3) l = j + 4 l = (2/3).(j + 2) l = (1/2).(j + 2) l = (3/4).(j + 3) l = j + 4 l = (2/3).(j + 2) l = (1/2).(j + 2) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism consisting of three turning pairs and one sliding pair, is called a 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 All of these Crank and slotted lever quick return motion mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine TJIE horse power transmitted by a belt is dependent upon Tension on tight side of belt All of these Tension on slack side of belt Radius of pulley Tension on tight side of belt All of these Tension on slack side of belt Radius of pulley 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° Both (A) and (B) None of these 180° and 360° 0° and 90° Both (A) and (B) None of these 180° and 360° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a Lower pair Self-closed pair Higher pair Force-closed pair Lower pair Self-closed pair Higher pair Force-closed pair ANSWER DOWNLOAD EXAMIANS APP
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