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a) A pair of 20 degree full depth involute spur gears having 30 and 50 teeth respectively of module 4mm are in mesh. The smaller gear rotates at 1000 rpm. Determine-
1) Contact Ratio 15
2) Sliding velocity at engagement and at disengagement of pair of a teeth.
b) Two spur wheels have 30 teeth each of involute shape. The circular pitch is 25mm and pressure angle is 20 degree. Evaluate the addendum of the wheels, if the arc of contact is twice the circular pitch.
Motion on the inclined plane when the surface is rough: The figure given above shows a body having weight W, sliding down on rough inclined plane. Assume, θ= Angl
What is the chief advantage of CIDR over the original classful addressing scheme? CIDR stands for Classless Inter-Domain Routing is a new addressing scheme for the Internet, th
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hazard and safety measures when using utm machine
Working of Reaction turbine: In the impulse turbine the steam is expanded, causing pressure and heat drop in nozzle only and the moving blades only direct the steam through an
calculate voltage gain
Describe the test specimens that were used in the testing program, and what one hopes to learn by testing them. Show the "test matrix" (i.e. a listing of what specimens made of wh
Q. What do you mean by Bunds and Dikes ? A bund (or dike) is an embankment or wall of brick, stone, concrete or other impervious material, which surrounds the entire perimeter
Flash Butt Welding This process is an extension of resistance butt welding. The parts to be joined are gripped in the clamps and their interfaces are gradually brought into con
Evaluate velocity of the block: A block of 2500N rest on horizontal surface. The coefficient of friction in between block and plane is 0.3. The block can be pulled by the for
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