Engineering Mechanics For a self locking machine, the efficiency must be Equal to 50% Greater than 50% 1 Less than 50% Equal to 50% Greater than 50% 1 Less than 50% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The time of flight of a projectile on downward inclined plane depends upon Angle of inclination of the plane Both (A) and (B) None of these Angle of projection Angle of inclination of the plane Both (A) and (B) None of these Angle of projection ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a differential wheel and axle with 'D' as the diameter of effort wheel and d1 and d2 as the diameters of larger and smaller axles respectively, is D/(d₁ + d₂) 2D/(d₁ - d₂) 2D/(d₁ + d₂) D/(d₁ - d₂) D/(d₁ + d₂) 2D/(d₁ - d₂) 2D/(d₁ + d₂) D/(d₁ - d₂) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If tension in the cable supporting a lift moving downwards is half the tension when it is moving upwards, the acceleration of the lift is g/3 g/2 g/4 None of these g/3 g/2 g/4 None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics One joule is equal to 1 N-m 0.1 N-m 10 N-m 100 N-m 1 N-m 0.1 N-m 10 N-m 100 N-m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The Cartesian equation of trajectory is (where u = Velocity of projection, α = Angle of projection, and x, y = Co-ordinates of any point on the trajectory after t seconds.) y = x. tanα + (gx²/2u² cos²α) y = (gx²/2u² cos²α) - x. tanα y = x. tanα - (gx²/2u² cos²α) y = (gx²/2u² cos²α) + x. tanα y = x. tanα + (gx²/2u² cos²α) y = (gx²/2u² cos²α) - x. tanα y = x. tanα - (gx²/2u² cos²α) y = (gx²/2u² cos²α) + x. tanα ANSWER DOWNLOAD EXAMIANS APP
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