Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is bh3/8 bh3/4 bh3/12 bh3/36 bh3/8 bh3/4 bh3/12 bh3/36 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. 3r/4π 3r/ 8 8r/3 4r/ 3π 3r/4π 3r/ 8 8r/3 4r/ 3π ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The frequency of oscillation of a compound pendulum is (where kG = Radius of gyration about the centroidal axis, and h = Distance between the point of suspension and C.G. of the body.) 2π. √(gh/kG² + h²) 2π. √(kG² + h²/gh) 1/2π. √(gh/kG² + h²) 1/2π. √(kG² + h²/gh) 2π. √(gh/kG² + h²) 2π. √(kG² + h²/gh) 1/2π. √(gh/kG² + h²) 1/2π. √(kG² + h²/gh) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum frictional force which comes into play when a body just begins to slide over another surface is called Sliding friction Limiting friction Rolling friction Kinematic friction Sliding friction Limiting friction Rolling friction Kinematic friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is 0.5 mv2 0.5 mgv2 mgv2 mv2 0.5 mv2 0.5 mgv2 mgv2 mv2 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 100 50 400 200 100 50 400 200 ANSWER DOWNLOAD EXAMIANS APP