Engineering Mechanics The centre of gravity of a uniform lamina lies at All of these The midpoint of its axis The centre of heavy portion The bottom surface All of these The midpoint of its axis The centre of heavy portion The bottom surface ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body falls freely under gravitational force, it possesses __________ weight. No Maximum None of these Minimum No Maximum None of these Minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a rectangular section 3 cm wide and 4 cm deep about X-X axis is 20 cm4 16 cm4 12 cm4 9 cm4 20 cm4 16 cm4 12 cm4 9 cm4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is 400 200 50 100 400 200 50 100 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of a projectile is maximum, when the angle of projection is 60° 45° 90° 30° 60° 45° 90° 30° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius. 8r/3 3r/4π 3r/ 8 4r/ 3π 8r/3 3r/4π 3r/ 8 4r/ 3π ANSWER DOWNLOAD EXAMIANS APP