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 Higher pair Self-closed pair Lower pair Force-closed pair Higher pair Self-closed pair Lower pair Force-closed pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r₁ and r₂ = External and internal radii of collar respectively) (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W (r₁ + r₂) (1/2). μ W (r₁ + r₂) (1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W (r₁ + r₂) (1/2). μ W (r₁ + r₂) (1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The power of a Porter governor is equal to [c²/(1 + 2c)] (m + M) g.h [4c²/(1 + 2c)] (m + M) g.h [2c²/(1 + 2c)] (m + M) g.h [3c²/(1 + 2c)] (m + M) g.h [c²/(1 + 2c)] (m + M) g.h [4c²/(1 + 2c)] (m + M) g.h [2c²/(1 + 2c)] (m + M) g.h [3c²/(1 + 2c)] (m + M) g.h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Power of a governor is the Mean force exerted at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for a given percentage change of speed Work-done at the sleeve for maximum equilibrium speed None of these Mean force exerted at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for a given percentage change of speed Work-done at the sleeve for maximum equilibrium speed None of these 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 5 4 2 3 5 4 2 3 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball, and M = Mass on the sleeve) c (m + M) g c/(m - M) g c/(m + M) g c (m - M) g c (m + M) g c/(m - M) g c/(m + M) g c (m - M) g ANSWER DOWNLOAD EXAMIANS APP
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