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 50 30 60 80 50 30 60 80 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ?i. 1.0 in from the wallii. 1.732 m from the walliii. 1.0 m above the flooriv. 1.732 m above the floorThe correct answer is (ii) and (iv) (i) and (iii) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (iii) (ii) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a flywheel increases its speed from 10 rpm to 20 rpm in 10 seconds, then its angular acceleration is —rad/sec 10 —rad/sec 20 None of these —rad/sec 30 —rad/sec 10 —rad/sec 20 None of these —rad/sec 30 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics At the instantaneous center, the velocity of the moving lamina at any instant is Varying Maximum Minimum Zero Varying Maximum Minimum Zero 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/64 (D⁴ + d⁴) 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) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A retarding force on a body does not None of these Introduce the motion of the body Change the motion of the body Retard the motion of the body None of these Introduce the motion of the body Change the motion of the body Retard the motion of the body ANSWER DOWNLOAD EXAMIANS APP
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