Applied Mechanics and Graphic Statics The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm, about centroidal axis, is 437.5 cm⁴ 237.5 cm⁴ 137.5 cm⁴ 337.5 cm⁴ 437.5 cm⁴ 237.5 cm⁴ 137.5 cm⁴ 337.5 cm⁴ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length Must be increased Must be decreased Is not changed but weight of the bob is decreased Is not changed but weight of the bob is increased Must be increased Must be decreased Is not changed but weight of the bob is decreased Is not changed but weight of the bob is increased ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Free body diagram is an Isolated joint with only body forces acting on it Isolated joint with internal forces acting on it Isolated joint with all the forces, internal as well as external, acting on it None of these Isolated joint with only body forces acting on it Isolated joint with internal forces acting on it Isolated joint with all the forces, internal as well as external, acting on it None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg -m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is 4 8TC 6 7i 8 4 8TC 6 7i 8 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the correct statement from the following. The kinetic energy of a body Remain constant Before impact is equal to that after impact Before impact is more than that after impact Before impact is less than that after impact Remain constant Before impact is equal to that after impact Before impact is more than that after impact Before impact is less than that after impact ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If y is force and x is velocity, then dimensions of —=r are dx2 M’L-‘T0 M’L-‘T1 M’^T’ M2L’T3 M’L-‘T0 M’L-‘T1 M’^T’ M2L’T3 ANSWER DOWNLOAD EXAMIANS APP
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