Applied Mechanics and Graphic Statics A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is 0.4 0.55 0.3 0.5 0.4 0.55 0.3 0.5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The torque produced by a force depends on (i) The magnitude of the force (ii) The direction of the force (iii) The point of application of the force relative to origin Both (i) and (ii) All (i), (ii) and (iii) Only (i) Both (i) and (iii) Both (i) and (ii) All (i), (ii) and (iii) Only (i) Both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If g1 and g2 are the gravitational accelerations on two mountains A and B respectively, the weight of a body when transported from A to B will be multiplied by g2 g2/g1 g1/g2 g1 g2 g2/g1 g1/g2 g1 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to None of these 7 kg 5 kg 1 kg None of these 7 kg 5 kg 1 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a homogeneous body is the point at which the whole Area of the surface of the body is assumed to be concentrated All listed here Volume of the body is assumed to be concentrated Weight of the body is assumed to be concentrated Area of the surface of the body is assumed to be concentrated All listed here Volume of the body is assumed to be concentrated Weight of the body is assumed to be concentrated ANSWER DOWNLOAD EXAMIANS APP
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 337.5 cm⁴ 437.5 cm⁴ 237.5 cm⁴ 137.5 cm⁴ 337.5 cm⁴ 437.5 cm⁴ 237.5 cm⁴ 137.5 cm⁴ ANSWER DOWNLOAD EXAMIANS APP