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 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) (b² + bc + c²)/3 (b + c) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Total no of instantaneous centers of a machine having ‘n’ links, is (n - 1) n (n - 1)/2 n n/2 (n - 1) n (n - 1)/2 n n/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resultant of two forces acting at right angles is 5 kgf and if they act at an angle of 60°, it is 37 kgf. The magnitudes of the forces are: 3 kgf, 4 kgf 2 kgf, 3 kgf 4 kgf, 5 kgf 5 kgf, 3 kgf 3 kgf, 4 kgf 2 kgf, 3 kgf 4 kgf, 5 kgf 5 kgf, 3 kgf ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A system of coplanar forces is in equilibrium when Force polygon closes Both force polygon" and funicular polygon close All the forces are concurrent Funicular polygon closes Force polygon closes Both force polygon" and funicular polygon close All the forces are concurrent Funicular polygon closes 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 500 meters 2000 meters 1500 meters 1000 meters 500 meters 2000 meters 1500 meters 1000 meters ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ratio of unit of force in gravitational system to that in absolute system is (where ‘g’ is acceleration due to gravity) None of these 1/g 1 g None of these 1/g 1 g ANSWER DOWNLOAD EXAMIANS APP
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