Applied Mechanics and Graphic Statics The Centre of gravity of a 10 × 15 × 5 cm T section from its bottom, is 7.5 cm 8.75 cm 7.85 cm 5.0 cm 7.5 cm 8.75 cm 7.85 cm 5.0 cm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a simple screw jack, the pitch of the screw is 9 mm and length of the handle operating the screw is 45 cm. The velocity ratio of the system is 314 25 1.5 5 314 25 1.5 5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is n/4 rpm n/2 rpm 2n rpm n rpm n/4 rpm n/2 rpm 2n rpm n rpm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of an elastic string of natural length ‘l’ and modulus ‘X’ is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance ‘x’, held at rest and then released.The motion is A rectilinear motion with constant speed None of these A simple harmonic motion A damped oscillatory motion A rectilinear motion with constant speed None of these A simple harmonic motion A damped oscillatory motion ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For maximum range of a projectile, the angle of projection should be 45° 30° 60° None of these 45° 30° 60° None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Periodic time of body moving with simple harmonic motion, is Inversely proportional to the square of its angular velocity Directly proportional to its angular velocity Directly proportional to the square of its angular velocity Inversely proportional to its angular velocity Inversely proportional to the square of its angular velocity Directly proportional to its angular velocity Directly proportional to the square of its angular velocity Inversely proportional to its angular velocity ANSWER DOWNLOAD EXAMIANS APP