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1. Find the specific entropy generation in the shock of the previous problem.
2. Steam at 600 kPa, 300?C, is fed to a set of convergent nozzles in a steam turbine. The total nozzle exit area is 0.005 m2, and the nozzles have a discharge coefficient of 0.94. The mass flow rate should be estimated from the pressure drop across the nozzles, which is measured to be 200 kPa. Determine the mass flow rate.
The uniform steel shaft has two gears attached to it at B and C, two frictionless bearings, and the motor. The motor generates 15kip·in and the gears consume 10kip·in and 5kip·in. Find the diameter of the shaft if the maximum rotation between A an..
The setting velocity of a particle is 0.002 m/s and the overflow rate of a settling tank is 0.008 m/s. (a) what percent of the particles does the settling tank capture. If the particles are flocculated so that thie rsettling rate is 0.05 m/s
A structural steel beam is attached to a column with bolts. The downward force on the connection is 150 kips. What bolt sizes must be used if the allowable shear stress is 25.0 ksi
Use the bisection method to find the root of the equation f(x) = x 2 - 4sin(x) = 0. For initial bracketing interval [a,b] , take a=1 and b = 3.
The 4-kg slider is released from rest in position A and slides down the vertical-plane guide. If the maximum compression of the spring is observed to be 40 mm, determine the work Uƒ done by friction.
The field measurements (in feet) for an irregularly shaped paved area are shown in Figure 17.21. Calculate the area of pavement to the closest square yard.
1 an equal-tangent crest vertical curve is designed with a pvi at station 11000 and a pvc at station 10743.3. if the
determine the range from the SV to the REC in GPS; using codes C/A and P and also waves (L1 and L2). How does two of the below from the list have an effect on the codes and waves
The maximum gage pressure is known to be 8MPa in a spherical steel pressure vessel having a 250mm diameter and a 6mm wall thickness. Knowing that the ultimate stress in the steel used is (sigma u)= 400MPa, determine the factor of safety with respe..
Using the Internet or any other available sources, explain in your own words why the internal energy of an ideal gas can be regarded as function of temperature only.
Suppose a specialty steel company receives an order for 200 tons of steel containing at least 3 percent nickel and 2 percent manganese, with a carbon content not exceeding 3.5 percent. The steel will sell for $25 a ton.
A garage (24 ft x 24 ft x 10 ft) is illuminated by (6) 60 watt incandescent bulbs. It is estimated that 90% of the energy to an incandescent bulb is dissipated as heat. If the bulbs are left on for 3 hours, how much would the temperature in the ga..
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