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In an otto cycle the temperatures at the beginning and end of compression are 43degreesC and 323degreesC respectively, calculate the air standard efficiency and the compression ratio. Take y to be 1.4 ?
What is the major head loss in a coarse concrete pipe with a diamter of 1ft that is 100 ft long. Water flows at a rate of 20 ft^3/s (viscosity of water = 2.344x10^-5 lbfs/ft^2, density of water = 1.94 slugs/ft^3) 1inch = 25.4mm
Determine from curve (a) critical depth (b) the maximum flow rate (c) the flow rate at a depth of 2.4 m and (d) the depths at which flow rate of 28.3 m^3/s may exist and the flow conditions at these depths.
The problem belongs to Civil Engineering and it is explain about a building which is constructed with the method of dropping fossil fuel consumption and to reduce the carbon footprint of the building.
The pH of clean rain is influenced by the partial pressure of CO2 in the atmosphere. In addition, acid rain can be formed when sulfur dioxide (SO2) is discharged into the atmosphere. i) The atmospheric CO2 concentration could rise to 400 ppmv by 20..
A low pass filter has a cut-off frequency of 5 kHz and a high pass filter has a cut-off frequency of 8 kHz. These two circuits are connected back to back in cascade to form an input-output system
A 40-mm-diameter jet has a velocity of 25 m/s. If this jet were to strike a large flat plate normally, what would be the resultant force on the plate?
Determine the percent elongation and percent reduction in area of each specimen.
Base course aggregate has a target dry density of 119.7 lb/cu ft in place. It will be laid down and compacted in a rectangular street repair area of 2000 ft x 48 ft x 6 in. The aggregate in the stockpile contains 3.1 percent moisture.
A 2000-ft vertical curve connects a +3% grade to a -5% grade. If the vertical tangents intersect at sta. 52 + 60.55 and elevation 877.62 ft, calculate the elevations at the VPC, VPT, high point, and sta. 54 + 00.
A mass of 200g of saturated liquid water is completely vaporized at a constant pressure of 100KPa. Determine a) the volume change b) the amount of energy added to the water
a solid cylinder of 50 mm diameter and 900 mm length is subjected to a tensile force of 120kN. One part f the cylinder L1 long is of steel, the other part, fastened to steel, is aluminum and is L2 long.
A police car parked in a 45 mi/h speed zone observes a passing car traveling at a slow, constant speed. The officer believes the driver is intoxicated and begins accelerating uniformly to 50 mi/h in 8 seconds and maintains a constant velocity of 60 m..
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