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 30 80 50 60 30 80 50 60 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a non-concurrent force system to be in equilibrium None of these Both force polygon and funicular polygon must close Only the closure of funicular polygon is sufficient Only the closure of force polygon is sufficient None of these Both force polygon and funicular polygon must close Only the closure of funicular polygon is sufficient Only the closure of force polygon is sufficient ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Centre of gravity of a thin hollow cone lies on the axis of symmetry at a height of One-fourth of the total height above base None of these One-third of the total height above base One-half of the total height above base One-fourth of the total height above base None of these One-third of the total height above base One-half of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through 0.02 m 2.5 m 20 m 2 m 0.02 m 2.5 m 20 m 2 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resolved part of the resultant of two forces inclined at an angle θ in a given direction is Arithmetical sum of the resolved parts of the forces in the direction Algebraic sum of the resolved parts of the forces in the direction Difference of the forces multiplied by cosine θ° Sum of the forces multiplied by the tangent θ° Arithmetical sum of the resolved parts of the forces in the direction Algebraic sum of the resolved parts of the forces in the direction Difference of the forces multiplied by cosine θ° Sum of the forces multiplied by the tangent θ° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the correct statement from the following. The kinetic energy of a body Before impact is equal to that after impact Remain constant Before impact is more than that after impact Before impact is less than that after impact Before impact is equal to that after impact Remain constant Before impact is more than that after impact Before impact is less than that after impact ANSWER DOWNLOAD EXAMIANS APP
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