Applied Mechanics and Graphic Statics The point about which combined motion of rotation and translation of a rigid body takes place, is known as Instantaneous axis Instantaneous centre Virtual centre Point of rotation Instantaneous axis Instantaneous centre Virtual centre Point of rotation ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The units of moment of inertia of an area are m3 kg/m kg/m2 m4 m3 kg/m kg/m2 m4 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The moment of inertia of a triangular section (base b, height h) about centroidal axis parallel to the base, is bh³/36 b³h/12 bh³/2 bh³/3 bh³/36 b³h/12 bh³/2 bh³/3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The characteristic of a couple is: All listed here Algebraic sum of forces, constituting a couple is zero A couple can be never the balanced by a single force Algebraic sum of moments of forces, constituting a couple, about any point, is same All listed here Algebraic sum of forces, constituting a couple is zero A couple can be never the balanced by a single force Algebraic sum of moments of forces, constituting a couple, about any point, is same ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is wl²/4d wl/4d wl²/8d wl²/16d wl²/4d wl/4d wl²/8d wl²/16d 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 1000 meters 500 meters 2000 meters 1500 meters 1000 meters 500 meters 2000 meters ANSWER DOWNLOAD EXAMIANS APP