Theory of Machine In its simplest form, a cam mechanism consists of following number of links 4 1 2 3 4 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point on a connecting link (excluding end points) of a double slider crank mechanism traces a Straight line path Hyperbolic path Parabolic path Elliptical path Straight line path Hyperbolic path Parabolic path Elliptical path ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve) (m + M)/M m/(m + M) (m + M)/m M/(m + M) (m + M)/M m/(m + M) (m + M)/m M/(m + M) 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 (r₁ + r₂) (1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W (r₁ + r₂) (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W (r₁ + r₂) (1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W (r₁ + r₂) (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A foot step bearing and rotor of a vertical turbine form examples of Completely constrained motion Successfully constrained motion Incompletely constrained motion Partially constrained motion Completely constrained motion Successfully constrained motion Incompletely constrained motion Partially constrained motion 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 Self-closed pair Force-closed pair Lower pair Higher pair Self-closed pair Force-closed pair Lower pair Higher pair ANSWER DOWNLOAD EXAMIANS APP