Answer: Both terms are same when gravity is uniform. When gravity is non-uniform following are… Read More »What is difference between Center of Mass and Center of Gravity?
Answer: When a material is compressed in one direction, it usually tends to expand in the… Read More »Poisson’s Ratio is higher in Rubber, Steel or Wood?
Answer: In Welding, concentrated heat (high temperature) is applied at the joint of metal and fuse… Read More »What is difference between Welding and Brazing?
Answer: unilateral tolerance: A unilateral tolerance is tolerance in which variation is permitted only in one direction… Read More »State the difference between Unilateral and Bilateral Tolerance?
Answer: Generally, journal bearings have higher friction force, consume higher energy and release more heat, but… Read More »State the difference between Anti Friction Bearing and Journal Bearing?
Answer: The shape and distribution of the carbides in the iron determines the hardness of the… Read More »What causes hardness in steel? How heat treatment alters properties of steel?
The rated speed tells us about the maximum speed which can be achieved by a… Read More »What is the difference between Speed and Economic Speed?