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2-20. A plant operation has fixed costs of $2,000,000 per year, and its output capacity is 100,000 electrical appliances per year. The variable cost is $40 per unit, and the product sells for $90 per unit.
Construct the economic breakeven chart.
Compare annual profit when the plant is operating at 90% of capacity with the plant operation at 100% capacity. Assume that the first 90% of capacity output is sold at $90 per unit and that the remaining 10% of production is sold at $70 per unit. (2.2)
A uniform linear charge density of 4 nC/m is distributed along the entire x axis. Consider a spherical (radius = 5 cm) surface centered on the origin. Determine the electric flux through this surface.
Determine the principal stresses and the maximum in-plane shear stress acting at the point. Show these stresses in an appropriate sketch
A centrifual pump is used to raise water against a static head of 18 m. The suction and delivery pipes, both .15m in diameter, have respectively, friction head losses amounting to 2.25 and 7.5 times dynamic head. The impeller, which rotates at 1450 r..
Evaluate the maximum theoretical power that can be developed by the turbine, in kW, and the corresponding exit temperature.
What is a double-reduction spur gear train and how would be useful in a commercial food waste grinder in which the final shaft rotates at between 40 and 44 rpm is to be designed. The input is from an electric motor running at 850 rpm and delivering 0..
a container has a circular hole d5cm on the bottom and is sealed by a metal ball weighs w2.452 with radius 4cm. water
the 2kg block a and the 5kg block b are initially at rest on the inclined plane as shown. all surfaces in this system
A heat engine operates by receiving 300,000 Btu/hr of heat from steam at a temperature of 750 deg. F. It rejects heat to a lake that is at 65 deg. F. What is the maximum power output that this engine can produce in hp?
hot water at 98degc flows in a schedule 40 horizontal steel pipe and is exposed to atmospheric air at 10degc. the water
a venture necked-down section in a pipe develops a low pressure that can aspire fluid upward from a reservoir. derive
A suspension of calcium carbonate particles in water flows through a pipe. Your assignment is to determine both the flow rate and the composition of this slurry. You proceed to collect the stream in a graduated cylinder for 1.00 min; you then weig..
For reasons of crew safety, an inert gas argon (R ¼208.2 J/(kgK), ratio of specific heats, ?¼1.667) was used in the cycle. The turbine design scheme was based on the concept of optimum efficiency. Determine, for the design point the rotor vane tip..
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