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Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot
A spherical body is symmetrical about its perpendicular axis. According to Routh's rule, the moment of inertia of a body about an axis passing through its centre of gravity is (where, M = Mass of the body and S = Sum of the squares of the two semi-axes.)
In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of inertia about X-axis should be __________ the moment of inertia about Y-axis.
When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as
When a body of mass moment of inertia '$$I$$' (about a given axis) is rotated about that axis with an angular velocity to, then the kinetic energy of rotation is
K produces 100 parts twice as fast as G does. G produces 100 parts in 40 minutes. If each produces parts at a constant rate, how many parts will K produces in 6 minutes.
The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is
What height must a satellite be placed above the surface of the earth in order for its rotation to be equal to earth’s rotation?
A pipe is generally made of circular cross-section, because a circular cross-section has the
Two circular discs of same weight and thickness are made from metals having different densities. Which disc will have the larger rotational inertia about its central axis?