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) (b² + bc + c²)/3 (b + c) (a² + ab + c²)/3 (a + c) None of these (a² + ab + b²)/3 (a + b) (b² + bc + c²)/3 (b + c) (a² + ab + c²)/3 (a + c) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angle which an inclined surface makes with the horizontal when a body placed on it is on the point of moving down, is called None of these Angle of repose Angle of inclination Angle of friction None of these Angle of repose Angle of inclination Angle of friction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When two forces, each equal to P, act at 90° to each other, then the resultant will be P 2P P/√2 P√2 P 2P P/√2 P√2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The height at which the end of a rope of length ‘l’ should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is ¾ l 2/√3 l l/√2 ½ l ¾ l 2/√3 l l/√2 ½ l ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A quantity whose dimensions are M2L2T3 could be the product of mass and power force and pressure energy and velocity force and velocity mass and power force and pressure energy and velocity force and velocity ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics At the instantaneous center, the velocity of the moving lamina at any instant is Minimum Maximum Zero Varying Minimum Maximum Zero Varying ANSWER DOWNLOAD EXAMIANS APP