Engineering Mechanics The velocity ratio of a differential pulley block with D and d as the diameters of larger and smaller pulley, is D/(D - d) 2D/(D - d) D/(D + d) 2D/(D + d) D/(D - d) 2D/(D - d) D/(D + d) 2D/(D + d) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base. Two times Nine times Six times Four times Two times Nine times Six times Four times ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to Half the area of the triangle Twice the area of the triangle Area of the triangle None of these Half the area of the triangle Twice the area of the triangle Area of the triangle None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a number of coplanar forces acting at a point be in equilibrium, the sum of clockwise moments must be __________ the sum of anticlockwise moments, about any point. Greater than Less than None of these Equal to Greater than Less than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.) 2π/ω ω/2π 2π × ω π/ω 2π/ω ω/2π 2π × ω π/ω ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of percussion of the homogeneous rod of length ‘L’ suspended at the top will be 3L/4 L/2 L/3 2L/3 3L/4 L/2 L/3 2L/3 ANSWER DOWNLOAD EXAMIANS APP