Engineering Mechanics The angular velocity (in rad/s) of a body rotating at N revolutions per minute is πN/180 2πN/60 2πN/180 πN/60 πN/180 2πN/60 2πN/180 πN/60 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a person, on a bicycle, drives round a curve, he has to lean __________ to maintain equilibrium. Inward Outward Towards front Towards back Inward Outward Towards front Towards back ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics One kg force is equal to 7.8 N 9.8 N 8.9 N 12 N 7.8 N 9.8 N 8.9 N 12 N ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following statement is correct in connection with projectiles? All of these The velocity, with which a projectile is projected, is known as the velocity of projection. The angle, with the horizontal, at which a projectile is projected, is known as angle of projection. A path, traced by a projectile in the space, is known as trajectory. All of these The velocity, with which a projectile is projected, is known as the velocity of projection. The angle, with the horizontal, at which a projectile is projected, is known as angle of projection. A path, traced by a projectile in the space, is known as trajectory. 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 = (gx²/2u² cos²α) - x. tanα y = x. tanα - (gx²/2u² cos²α) y = x. tanα + (gx²/2u² cos²α) y = (gx²/2u² cos²α) + x. tanα y = (gx²/2u² cos²α) - x. tanα y = x. tanα - (gx²/2u² cos²α) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency greater than 50%, is known as Non-reversible machine Ideal machine Neither reversible nor non-reversible machine Reversible machine Non-reversible machine Ideal machine Neither reversible nor non-reversible machine Reversible machine ANSWER DOWNLOAD EXAMIANS APP