Applied Mechanics and Graphic Statics The centre of gravity of a trapezoidal dam section whose top width is a, bottom width is band the vertical side is a, from its vertical face is (b² + bc + c²)/3 (b + c) None of these (a² + ab + b²)/3 (a + b) (a² + ab + c²)/3 (a + c) (b² + bc + c²)/3 (b + c) None of these (a² + ab + b²)/3 (a + b) (a² + ab + c²)/3 (a + c) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The dimensions of centrifugal force are M’L-‘T2 M’L’T1 M1 L2 T2 M’L’T2 M’L-‘T2 M’L’T1 M1 L2 T2 M’L’T2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the radius of the earth is 600 km the height of a mountain above sea level at the top of which a beat seconds pendulum at sea level, looses 27 seconds a day, is 1500 meters 500 meters 2000 meters 1000 meters 1500 meters 500 meters 2000 meters 1000 meters ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length Is not changed but weight of the bob is increased Must be decreased Is not changed but weight of the bob is decreased Must be increased Is not changed but weight of the bob is increased Must be decreased Is not changed but weight of the bob is decreased Must be increased ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The unit of force in C.G.S. system of units, is called Dyne Newton Kg All of these Dyne Newton Kg All of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A point subjected to a number of forces will be in equilibrium, if Two resolved parts in any two directions at right angles are equal Algebraic sum of the moments of the forces about the point is zero Algebraic sum of the forces is zero Sum of resolved parts in any two directions at right angles, are both zero Two resolved parts in any two directions at right angles are equal Algebraic sum of the moments of the forces about the point is zero Algebraic sum of the forces is zero Sum of resolved parts in any two directions at right angles, are both zero ANSWER DOWNLOAD EXAMIANS APP
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