Engineering Mechanics The maximum efficiency of a lifting machine is V.R./m 1/m m/V.R. 1/(m × V.R.) V.R./m 1/m m/V.R. 1/(m × V.R.) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Varingon's theorem of moments states that if a number of coplanar forces acting on a particle are in equilibrium, then Their lines of action are at equal distances Their algebraic sum is zero The algebraic sum of their moments about any point in their plane is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point Their lines of action are at equal distances Their algebraic sum is zero The algebraic sum of their moments about any point in their plane is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of a projectile is maximum, when the angle of projection is 45° 30° 60° 90° 45° 30° 60° 90° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin disc of mass ‘m’ and radius ‘r’, about an axis through its center of gravity and perpendicular to the plane of the disc is mr²/4 mr²/6 mr²/2 mr²/8 mr²/4 mr²/6 mr²/2 mr²/8 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The process of finding out the resultant force is called __________ of forces. None of these Resolution Composition Decomposition None of these Resolution Composition Decomposition ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The efficiency of a lifting machine is the ratio of Mechanical advantage to the velocity ratio Work done by the machine to the work done on the machine All of these Output to the input Mechanical advantage to the velocity ratio Work done by the machine to the work done on the machine All of these Output to the input ANSWER DOWNLOAD EXAMIANS APP
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