Engineering Mechanics The moment of inertia of a rectangular section 3 cm wide and 4 cm deep about X-X axis is 9 cm4 20 cm4 12 cm4 16 cm4 9 cm4 20 cm4 12 cm4 16 cm4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time of one oscillation for a simple pendulum is (where l = Length of the pendulum.) (1/2π). √(l/g) (1/2π). √(g/l) 2π. √(l/g) None of these (1/2π). √(l/g) (1/2π). √(g/l) 2π. √(l/g) None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum mechanical advantage of a lifting machine is m 1 - m 1 + m 1 / m m 1 - m 1 + m 1 / m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For a self locking machine, the efficiency must be Less than 50% 1 Equal to 50% Greater than 50% Less than 50% 1 Equal to 50% Greater than 50% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a number of coplanar forces acting at a point be in equilibrium, the sum of clockwise moments must be __________ the sum of anticlockwise moments, about any point. Greater than None of these Less than Equal to Greater than None of these Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A force while acting on a body may Balance the forces, already acting on it Change its motion Give rise to the internal stresses in it All of these Balance the forces, already acting on it Change its motion Give rise to the internal stresses in it All of these ANSWER DOWNLOAD EXAMIANS APP