Applied Mechanics and Graphic Statics The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm, about centroidal axis, is 337.5 cm⁴ 437.5 cm⁴ 237.5 cm⁴ 137.5 cm⁴ 337.5 cm⁴ 437.5 cm⁴ 237.5 cm⁴ 137.5 cm⁴ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A rod 5 m in length is moving in a vertical plane. When it is inclined at 60° to horizontal, its lower end is moving horizontally at 3 m/sec and upper end is moving in vertical direction. The velocity of its upper end, is 0.5 m/sec 1.0 m/sec 1.5 m/sec 2.5 m/sec 0.5 m/sec 1.0 m/sec 1.5 m/sec 2.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A projectile is fired at an angle ‘θ’ to the vertical. Its horizontal range will be maximum when ‘θ’ is 90° 0° 45° 30° 90° 0° 45° 30° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Force polygon method is applicable for A system of parallel forces only Any coplanar force system Concurrent coplanar force system Non-concurrent coplanar force system A system of parallel forces only Any coplanar force system Concurrent coplanar force system Non-concurrent coplanar force system ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of an elastic string of natural length / 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 A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length Must be increased Is not changed but weight of the bob is increased Is not changed but weight of the bob is decreased Must be decreased Must be increased Is not changed but weight of the bob is increased Is not changed but weight of the bob is decreased Must be decreased ANSWER DOWNLOAD EXAMIANS APP
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