Theory of Machine Which of the following is an example of a higher pair? Ball and roller bearing All of the listed here Toothed gearing Belt and rope drive Ball and roller bearing All of the listed here Toothed gearing Belt and rope drive ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Lower pairs are those which have 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 Elements of pairs not held together mechanically Two elements that permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected by an arm. The number of turns made by the smaller gear for one revolution of arm about the centre of bigger gear is 3 5 4 2 3 5 4 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The motion between a pair which takes place in ____ is known as incompletely constrained motion. More than one direction Two directions only None of the listed here One direction only More than one direction Two directions only None of the listed here One direction only ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has an attached disc at the centre of its length. The disc has its centre of gravity located at a distance of 2 mm from the axis of the shaft. When the shaft is allowed to vibrate in its natural bow-shaped mode, it has a frequency of vibration of 10 rad/s. When the shaft is rotated at 300 r.p.m., it will whirl with a radius of 2 mm 3.0 mm 2.22 mm 2.50 mm 2 mm 3.0 mm 2.22 mm 2.50 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When two pulleys of different diameters are connected by means of an open belt, the angle of contact at the ________ pulley must be taken into consideration. Smaller None of the listed here Smaller OR Larger Larger Smaller None of the listed here Smaller OR Larger Larger ANSWER DOWNLOAD EXAMIANS APP
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