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A turning operation is to be performed on C1010 steel, which is a ductile grade. It is desired to achieve a surface finish of 64 m-in, while at the same time maximizing the metal removal rate. It has been decided that the speed should be in the range 200 ft/min to 400 ft/min, and that the depth of cut will be 0.080 in. The tool nose radius = 3/64 in. Determine the speed and feed combination that meets these criteria.
A long rectangular bar 20 mm wide and 10 mm thick made of hot-rolled 4340 carbon steel (Sy = 860 MPa, K1c = 99 MPaÖm), is found to have a centrically located through-thickness crack 8mm wide. Is it best to a) leave the crack alone, b) drill a 5 mm di..
The 2 kg ball is releast from rest in position 1 with the string horizontal. The length of the string is L =2m and theta 40 degree. The ball's velocity when it is in position 2? The tensional force of the string is in position 2?
Why do you think it is important, when using a stroboscope, to start at a very high frequency and slowly reduce the frequency to the point of synchronisation?
Compute the response by numerical simulation to see if the constraint is satisfied - If the constraint is not satisfied, find the smallest value of damping that will keep the deflection less than 0.008 m.
A fan is to accelerate quiescent air to a velocity to 12 m/s at a rate of 3 m3/min if the density of air is 1.15 kg/m3, the minimum power that must be supplied to the fan is
A six cylinder engine runs at 4000 RPM with a compression ratio of 8:1 and a total clearance volume (total for all 6 cylinders) of 600 mL at TDC. The engine intakes atmospheric air at 100 kPA & 20C. The maximum temperature during the cycle is 1500 C
Gasoline at 20°C flows through a 6-cm-diameter pipe. It is metered by a modern venturi nozzle with d= 4 cm.
on a beautiful standard day your oceangraphic ship sights a water spout in the ease indian ocean. you fix your position
The frequency of resonance vibrations in graphene changed upon the addition of a mass by: Shifting to higher frequency Can shift to higher or lower frequency depending on initial conditions
strarting from x 0 with no initial velocity a particle is given an acceleration a 0.1 squere root v216 where a
a 3000lb car is driven down a 5 degree incline at speed of 50mph. highway with radius 400 m and speed of 90 kmh. the
A metal block of mass 0.5kg is immersed in oil of density 850kg/m3, calculate the volume of oil that overflowed if the specific gravity of the block is 1.22.
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