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° 45° 30° 0° 90° 45° 30° 0° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the angle of projection is double the angle of inclination (α) of the plane on which particle is projected, the ratio of times of flight up the inclined plane and down the inclined plane, will be 2 cos α ½ tan α ½ sin α ½ cos α 2 cos α ½ tan α ½ sin α ½ cos α ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a quadrant of a circle lies along its central radius at a distance of 0.6 R 0.3 R 0.4 R 0.2 R 0.6 R 0.3 R 0.4 R 0.2 R ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height of 100 m, is 90 m/sec 70 m/sec 75 m/sec 80 m/sec 90 m/sec 70 m/sec 75 m/sec 80 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The following is in unstable equilibrium A satellite encircling the earth A solid cube resting on one edge A uniform solid cone resting on a generator on a smooth horizontal plane A uniform solid cone resting on its base on a horizontal plane A satellite encircling the earth A solid cube resting on one edge A uniform solid cone resting on a generator on a smooth horizontal plane A uniform solid cone resting on its base on a horizontal plane ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a self-locking machine, the efficiency should be None of these Less than 60% More than 50% 0.5 None of these Less than 60% More than 50% 0.5 ANSWER DOWNLOAD EXAMIANS APP