Applied Mechanics and Graphic Statics If two forces are in equilibrium, then the forces must(i) Be equal in magnitude(ii) Be opposite in sense(iii) Act along the same line (i) and (ii) Only (i) All (i), (ii) and (iii) (i) and (iii) (i) and (ii) Only (i) All (i), (ii) and (iii) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The vertical reaction at the support ‘A’ of the structure shown in below figure, is 3.5 t 2 t 1 t 3 t 3.5 t 2 t 1 t 3 t ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Force polygon method is applicable for Non-concurrent coplanar force system Concurrent coplanar force system A system of parallel forces only Any coplanar force system Non-concurrent coplanar force system Concurrent coplanar force system A system of parallel forces only Any coplanar force system ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively 50 and 50 75 and 50 50 and 75 75 and 75 50 and 50 75 and 50 50 and 75 75 and 75 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The necessary condition of equilibrium of a body is: Algebraic sum of vertical components of all the forces must be zero Algebraic sum of horizontal components of all the forces must be zero All (A), (B) and (C) Algebraic sum of the moments of the forces about a point must be zero Algebraic sum of vertical components of all the forces must be zero Algebraic sum of horizontal components of all the forces must be zero All (A), (B) and (C) Algebraic sum of the moments of the forces about a point must be zero ANSWER DOWNLOAD EXAMIANS APP
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) (a² + ab + b²)/3 (a + b) (a² + ab + c²)/3 (a + c) None of these (b² + bc + c²)/3 (b + c) (a² + ab + b²)/3 (a + b) (a² + ab + c²)/3 (a + c) None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS