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 2000 meters 1500 meters 500 meters 1000 meters 2000 meters 1500 meters 500 meters 1000 meters ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A satellite is said to move in a synchronous orbit if it moves at an altitude of 36,000 km with a maximum velocity of about 8000 km per hour 11,000 km per hour 9000 km per hour 7000 km per hour 8000 km per hour 11,000 km per hour 9000 km per hour 7000 km per hour 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 75 and 50 75 and 75 50 and 75 50 and 50 75 and 50 75 and 75 50 and 75 50 and 50 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A vehicle weighing w kg is to run on a circular curve of radius r. If the height of its centre of gravity above the road level is h and the distance between the centres of wheels is 2a, the maximum velocity, in order to avoid over turning, will be gra/h ∛(gra/h) 4√(gra/h) √(gra/h) gra/h ∛(gra/h) 4√(gra/h) √(gra/h) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A system of coplanar forces acting on a rigid body can be reduced to One force only None of these One force and one couple only One couple only One force only None of these One force and one couple only One couple only 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 (a² + ab + b²)/3 (a + b) None of these (a² + ab + c²)/3 (a + c) (b² + bc + c²)/3 (b + c) (a² + ab + b²)/3 (a + b) None of these (a² + ab + c²)/3 (a + c) (b² + bc + c²)/3 (b + c) ANSWER DOWNLOAD EXAMIANS APP