Posted inUncategorized Thermodynamics – Section 21. According to Kelvin-Planck's statement of second law of thermodynamics, A. it is impossible to construct an engine…
Posted inUncategorized Thermodynamics – Section 11. All the commercial liquid fuels are derived from natural petroleum (or crude oil). A. True B. False…
Posted inUncategorized Theory of machines – Section 21. The maximum or minimum value of the swaying couple is 2. For an involute gear, the ratio…
Posted inUncategorized Theory of Machines – Section 11. The ratio of the actual damping coefficient to the critical damping coefficient is called the damping factor.…
Posted inUncategorized Engineering Mechanics – Section 71. When a body of mass moment of inertia I (about a given axis) is rotated about that axis with an…
Posted inUncategorized Engineering Mechanics – Section 61. The velocity ratio of a simple wheel and axle with D and d as the diameters of…
Posted inUncategorized Engineering Mechanics – Section 51. The forces, which meet at one point and their lines of action also lie on the same…
Posted inUncategorized Engineering Mechanics – Section 41. Three forces acting on a rigid body are represented in magnitude, direction and line of action by…
Posted inUncategorized Engineering Mechanics – Section 31. If the masses of both the bodies, as shown in the below figure, are doubled, then the…
Posted inUncategorized Engineering Mechanics – Section 21. The point, through which the whole weight of the body acts, irrespective of its position, is known…