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Friction is Undesirable:
A friction is undesirable at the time of ice skating or when the block is lifted or put down on the truck with the help of inclined plane. If friction is more between block and inclined surface, then large force is required to push block on plane.
Thus friction is desirable or undesirable that depends upon the situation and types of work.
(a) What do you understand by couple moment. Is it a free vector ? (b) A force F = 10i + 6j - 6k N performs at a position (10, 3, 4) m relative to a coordinates system. Determin
A piston and a cylinder machine obtains a fluid system, which passes through a complete cycle of four processes. In the mean while a cycle the sum of all heat transfer is 150KJ and
Borides Borides of Mo, W, Cr, Ti and Zr find extensive industrial application. They exhibit extremely high hardness, melting point from 1800 to 3000 o C and good chemical resi
Determine the maximum torque - shaft: Determine the maximum torque that can be safely transmitted by a shaft of 400 mm diameter, if (a) the maximum allowable shear stress i
Disadvantages of two stroke engine: The following are some of the disadvantages of two stroke engine when compared with four stroke engine: 1. As firing takes place in ever
Construction Activities for plant Construction activities, such as shoring and bracing of excavations, lifting and rigging activities and scaffolding need to be considered as p
(a) Prove that the fourier series expansion for the function x(t) described in the finite interval -π ≤ t≤ π x(t) = 0 -π ≤ t ≤ 0 x(t) = sint 0 ≤ t ≤ π (b) Represent t
a)What are methods used in rating for time study. Illustrate them. b) Write down principles of motion economy.
MODIFICATIONS REQUIRE FOR A ROAD CAR TO ENTER A HILL CLIMB
The first successful numerical machine tool was developed at MIT in the year:
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