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A roughing section of a broach is to remove stock 3.2 mm deep from a steel surface,205 mm long x 50 mm wide, each tooth takes a cut 0.13 mm deep.
a) How long should the roughing section be?
b) What pull must the broaching machine exert if the chip pressure is 4 GPa of chip area?
air enters a compressor at ambient conditions of 100kpa and 17 degc with a low velocity and exits at 1mpa 327 degc and
a 2mm diameter metor of specific gravity 2.9 has a speed of 6 kms at an altitude of 50000m where the density of air is
consider a cylinder filled with an ideal gas and fitted with a piston. a on p-v coordinates sketch a process in which
hot water from a thermal spring is proposed as the heat source for a power cycle. if water is available at 95 c and a
Determine the radius of the crank R and the speed n of a slider crank mechanism, used in a shaker table. It is required that the average speed of the table is 5 m/s, and the maximum absolute acceleration is 3000m/s^2. Assume ratio R/L=0.2
Determine the angle between his velocity vector and the line from his position to the airlock's position.
a 0.5-m3 vessel contains 10 kg of refrigerant-134a at -20oc. determine a the pressure b the total internal energy and c
a modified brayton cycle is to be analyzed using the air-standard assumption with constant specific heats at a
problem 1a horizontal steel pipe having a diameter of 5 cm is maintained at a temperature of 50degc in a large room
water is the working fluid in an ideal rankine cycle. superheated vapor enters the turbine at 8 mpa 480 degrees
A hydraulic shear applies 2000 lb force to a wedge. It is used to shear plate steel to rough size. The shear has a 1/4 inch thick cutting blade with a 45 degree slope. What is the ideal mechanical advantage of the wedge?
A balloon behaves so the pressure is P = C2V1/3, C2 = 100 kPa/m. The balloon is blown up with air from a starting volume of 1 m3 to a volume of 3 m3. Find the final mass of air assuming it is at 25oC and the work done by the air.
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