Engineering Mechanics The moment of inertia of a rectangular section 3 cm wide and 4 cm deep about X-X axis is 16 cm4 9 cm4 12 cm4 20 cm4 16 cm4 9 cm4 12 cm4 20 cm4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is Reversible Non-reversible Ideal None of these Reversible Non-reversible Ideal None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces, which meet at one point and their lines of action also lie on the same plane, are known as Non-coplanar non-concurrent forces Coplanar non-concurrent forces Non-coplanar concurrent forces Coplanar concurrent forces Non-coplanar non-concurrent forces Coplanar non-concurrent forces Non-coplanar concurrent forces Coplanar concurrent forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by 2P tanθ/2 2P cosθ/2 2P sinθ/2 2P cotθ/2 2P tanθ/2 2P cosθ/2 2P sinθ/2 2P cotθ/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The C.G. of a solid hemisphere lies on the central radius 3r At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be Perpendicular to the wall at its upper end Zero at its upper end Downwards at its upper end Upwards at its upper end Perpendicular to the wall at its upper end Zero at its upper end Downwards at its upper end Upwards at its upper end ANSWER DOWNLOAD EXAMIANS APP