Applied Mechanics and Graphic Statics Maximum efficiency of a screw jack for the angle of friction θ, is (1 + sin θ)/(1 - sin θ) sin θ/(1 + sin θ) (1 - sin θ)/(1 + sin θ) (1 - sin θ)/sin θ (1 + sin θ)/(1 - sin θ) sin θ/(1 + sin θ) (1 - sin θ)/(1 + sin θ) (1 - sin θ)/sin θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The instantaneous centre of a member lies at the point of intersection of two lines drawn at the ends of the member such that the lines are inclined to the direction of motion of the ends at 60° 45° 30° 90° 60° 45° 30° 90° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A stone of mass 1 kg is tied to a string of length 1 m and whirled in a horizontal circle at a constant angular speed 5 rad/sec. The tension in the string is, 5 N 15 N 25 N 10 N 5 N 15 N 25 N 10 N ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics M.I. of a thin ring (external diameter D, internal diameter d) about an axis perpendicular to the plane of the ring, is π/32 (D⁴ × d⁴) π/32 (D⁴ - d⁴) π/32 (D⁴ + d⁴) π/64 (D⁴ + d⁴) π/32 (D⁴ × d⁴) π/32 (D⁴ - d⁴) π/32 (D⁴ + d⁴) π/64 (D⁴ + d⁴) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A projectile is thrown at an angle ‘α’ to the horizontal with velocity ‘v’. It will have the maximum centripetal acceleration At the top of the trajectory At the start Elsewhere As it strikes the ground At the top of the trajectory At the start Elsewhere As it strikes the ground ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are Circle and straight line Circle and parabola Straight line and parabola Straight line and circle Circle and straight line Circle and parabola Straight line and parabola Straight line and circle ANSWER DOWNLOAD EXAMIANS APP