Theory of Machine A system of masses rotating in different parallel planes is in dynamic balance if the Resultant force is numerically equal to the resultant couple, but neither of them need necessarily be zero Resultant force and resultant couple are both equal to zero Resultant force is equal to zero Resultant couple is equal to zero Resultant force is numerically equal to the resultant couple, but neither of them need necessarily be zero Resultant force and resultant couple are both equal to zero Resultant force is equal to zero Resultant couple is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If two moving elements have surface contact in motion, such pair is known as Higher pair Surface pair Sliding pair Rolling pair Higher pair Surface pair Sliding pair Rolling pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to 90° and 180° 270° and 360° 180° and 270° 45° and 225° 90° and 180° 270° and 360° 180° and 270° 45° and 225° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Whitworth quick return motion mechanism is formed in a slider crank chain when the Longest link is a fixed link Smallest link is a fixed link Coupler link is fixed Slider is a fixed link Longest link is a fixed link Smallest link is a fixed link Coupler link is fixed Slider is a fixed link ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Balancing of rotating and reciprocating parts of an engine is necessary when it runs at Slow speed Highs peed Any one of these Moderate speed Slow speed Highs peed Any one of these Moderate speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism in which two are turning pairs and two are sliding pairs, is called a Scotch yoke mechanism Elliptical trammel Double slider crank chain All of these Scotch yoke mechanism Elliptical trammel Double slider crank chain All of these ANSWER DOWNLOAD EXAMIANS APP