Applied Mechanics and Graphic Statics In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is 80 60 30 50 80 60 30 50 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down Momentum of rubber ball is less than that of lead ball Rubber and lead balls undergo equal changes in momentum Change in momentum suffered by lead ball is less that of rubber ball None of these Momentum of rubber ball is less than that of lead ball Rubber and lead balls undergo equal changes in momentum Change in momentum suffered by lead ball is less that of rubber ball None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The acceleration of a train starting from rest at any instant is 1/6(V + 1) m/sec² where ‘V’ is the velocity of the train in m/sec. The train will attain a velocity of 36 km/hour after travelling a distance of 2000 m 2200 m 2300 m 2100 m 2000 m 2200 m 2300 m 2100 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For the given values of initial velocity of projection and angle of inclination of the plane, the maximum range for a projectile projected upwards will be obtained, if the angle of projection is α = β/2 - π/2 α = π/4 - β/2 α = π/4 - β/2 α = π/2 + β/2 α = β/2 - π/2 α = π/4 - β/2 α = π/4 - β/2 α = π/2 + β/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Periodic time of a particle moving with simple harmonic motion is the time taken by the particle for None of these Quarter oscillation Half oscillation Complete oscillation None of these Quarter oscillation Half oscillation Complete oscillation ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a body is lying on a plane whose inclination with the horizontal is less than the angle of friction, theni. a force is required to move the body upwardsii. a force is required to move the body downwardiii. the body will not be in equilibriumThe correct answer is both (i) and (iii) only (ii) both (i) and (ii) only (i) both (i) and (iii) only (ii) both (i) and (ii) only (i) ANSWER DOWNLOAD EXAMIANS APP