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1.A coal with 6% ash and a heating value of 13,000 Btu/lb is burned in a new power plant. Assume that 30% of the ask falls out as bottom ash in the furnace. Calculate the efficiency of ESP required to meet federal new source performance standards. Show work in detail.
2.How many years would it take for money to triple in value at 20% per year simple interest? Please be descriptive on where the numbers and formulas comes from.
An electronic device is available that will reduce year'slabor cost by $10,000. the equipment is expected to last for eightyears. If labor is cost increase at an average rate of 7% per yearand the interest rate is 12% per year
Force F with magnitude indicated acts at point o. determine the magnitudes of the components Faa and Fbb along directions a-a and b-b so that F=Faa+Fbb
Estimate the hourly production and unit cost of rock excavation by drilling and basting. The rock is limestone having a seismic velocity of 6000 ft/s.
A hydroelectric facility operates with an elevation difference of 50.0 m with a flow rate of 500 m3/sec. If the rotational speed is 90 rpm, determine the most suitable type of turbine and estimate the power output of the arrangement.
Calculate the depth h of mud for which the 3m concrete retaining wall is on the verge of tipping about its forward edge A. the density of mud may be taken to be 1760 kg/m3 and that of concrete to be 2400 kg/m3.
a room is to be maintained at 72 F db. It is estimated that the inside wall surface temperature could be as low as 48 F. What maximum relative and specific humidities can be maintained without condensation on the walls
The coefficients of static and kinetic friction are 0.3 and 0.2, respectively, between each of the plates and between plate A and the ground. Determine the acceleration of each plate.
an iron cube at 400 degrees Celsius is dropped into a insulated bath containing 10kg of water 25 degrees Celsius. the water finally reaches a temperature of 50 degrees Celsius at steady state.
1. Povide three non-pavement products that use asphalt and by weight, what is the percent that is asphalt 2. Provide three US and two international locations where asphalt or its parent material, crude oil, originate from for use int the US
Northern Tundra Telephone (NIT) has received a contract to install emergency phones along a new 100-mile section of the Snow-Moose Turnpike. Fifty emergency phone systems will be installed about 2 miles apart
A barge-mounted, ocean thermal energy conversion (OTEC) power station is being tested off the island of Hawaii. The 50 kWturbogenerator runs on a closed ammonia cycle.
how many cubic feet of seawater, density 60 lb/ft^3, must be processed to recover 1 ton of magnesium, 1,272 ppm?
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