Engineering Mechanics The algebraic sum of moments of the forces forming couple about any point in their plane is Constant Both of above are wrong Both of above are correct Equal to the moment of the couple Constant Both of above are wrong Both of above are correct Equal to the moment of the couple ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces which do not meet at one point and their lines of action do not lie on the same plane are known as Coplanar concurrent forces None of these Non-coplanar concurrent forces Coplanar non-concurrent forces Coplanar concurrent forces None of these Non-coplanar concurrent forces Coplanar non-concurrent forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a screw jack is (1 - sinφ)/(1 + sinφ) (1 - tanφ)/(1 + tanφ) (1 + tanφ)/(1 - tanφ) (1 + sinφ)/(1 - sinφ) (1 - sinφ)/(1 + sinφ) (1 - tanφ)/(1 + tanφ) (1 + tanφ)/(1 - tanφ) (1 + sinφ)/(1 - sinφ) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A force while acting on a body may Balance the forces, already acting on it Give rise to the internal stresses in it Change its motion All of these Balance the forces, already acting on it Give rise to the internal stresses in it Change its motion All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity of an isosceles triangle with base (p) and sides (q) from its base is [√(4p² - q²)]/6 (p² + q²)/4 (4p² - q²)/6 (p² - q²)/4 [√(4p² - q²)]/6 (p² + q²)/4 (4p² - q²)/6 (p² - q²)/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces, whose lines of action are parallel to each other and act in the same directions, are known as Unlike parallel forces Like parallel forces Coplanar non-concurrent forces Coplanar concurrent forces Unlike parallel forces Like parallel forces Coplanar non-concurrent forces Coplanar concurrent forces ANSWER DOWNLOAD EXAMIANS APP
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