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Determine the maximum deflection angle (in degrees) obtained for flow of a monatomic gas, such as Argon, for which the specific heat ratio is 1.67.
Draw schematics of (a) heat engine and (b) refrigeration devices. Label the reservoirs, the type of energy transfer, and the direction of energy transfer.
A closed system consisting of 2lb of a gas undergoes a process during which the relation between pressure and volume is pV^n = constant.
If the air conditioning system draws 5 hp of power when operating, determine the maximum rate of heat removal from the house that it can provide.
Sketch the two processes in series on T-s coordinates. Determine the temperature at state 2, in K. Determine the net work, in kJ/kg.
List as many possible errors as you can find that Duncan has committed in forming the team and comment on the proper action needed.
Develop a VBA program that can determine numericlly integral of any given set of data points using Combination of Trapezoidal rule and Simpson's rule. Romberg integration method.
Four tug boats are having a contest to see who is strongest. Each boat attaches a rope to a very strong metal ring. Tugboat a head due north and pulls with a force of 300,000 lb , Tugboat b heads du
In a steam power plant operating on a reheat Rankine cycle, steam enters the HP turbine at 15 MPa and 620oC and is condensed in the condenser at a pressure of 15 kPa.
Assuming that the compression process is isentropic and the mass flow rate is 0.15 kg/s determine the amount of power saved versus the use of a single compressor. Assume constant properties at 300 K
A heat pump is used to heat a house.When the outside air temperaure is 10 F and the inside is maintained at 70 F, the heat loss form the house is 60000 Btu/hr. Determine the minimum electric power
If the minimum power into the compressor is 3 kW and it has an isentropic efficiency of 70% what is the output temperature? Use exact analysis.
Determine the final pressure using a) approximate analysis (using properties at the average temperature) and b) exact analysis.
Detrmine (A) how far the package will slide on the horizontal portion (BC) of the chute before stopping, (b) the maximum velocity reached by the pachage.
Portion AC is made of a mild stetel with a modulus of elasticity E=200Gpa and yield stress of sy= 250MPa, and portion CB is made of a high-strength steel with E=200GPa and sy= 345 MPa. A load P=975k
Water flows out of a large reservoir through pipe A at a rate of 15 kg/s. What would be the power output of the turbine if it has an efficiencty of 85%?
Determine the proper value for C if the flow field is to be incompressible. Calculate the acceleration of a fluid particle located at the point (x, y) = (3, 2). Sketch the flow streamlines in the x
A 70kg rectangular door measures 1.2m wide by 2.3m tall. It closes automatically using two hinges with torsional springs mounted on the vertical edge of the door.
Obtain a general expression for the acceleration of a fluid particle in this velocity field. Calculate the acceleration of fluid particles at the points (x, y) = (0.5, 2), (1, 1), and (2, 0.5),
A steel pipe of 100-mm diameter is to support the loading shown. Knowing that the stock of pipes available has thickness varying from 6mm to 24mm in 3-mm increments, and that the allowable normal s
Heat loss of 0.3 kW occurs from the compressor to the surroundings. Consider variable specific heats for air. Calculate the change in specific entropy (kJ/kg-K) of air.
A car radiator has an effective heat transfer area of ??15 m2. Cooling water temperature is 85 C in and the 60 C out of the radiator. The engine power is 25 hp and its effective thermal efficiency i
Where the x- and y-coordinates are in m and the magnitude of the velocity is in m/s. Determine if there are any stagnation points in this flow field, and if so, where are they.
One would like to find preheat 2 tons / h of a solution with a specific heat capacity of 3.35 kJ / kg * K from 15 C to 70 C using hot water. The water temperature drops from 95 C to 35 C. Heat thru
A well-insulated rigid tank contains 5 kg of a saturated liquid-vapour mixture of water at 100kPa.Initially.three-quarters of the mass is in the liquid phase.