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A gaseous fuel contains the following by Mass: 5% CO2; 40% H2; 40% CH4; 15% N2. Determine the gravitational stoichiometric air and the % content of each WET product by mass.
A gaseous fuel contains the following analysis by volume: 5% CO2: 40% H2; 40% CH4; 15% N2. Determine the stoichiometric air and the % content of each DRY product.
Find the air fuel ratio for stoichiometric combustion of propane by volume. Calculate the percentage of Oxygen present in the DRY flue gas if 20% excess air is used.
Calculate the % of each DRY product when coal is burned stoichiometrically in air. The mass analysis of the coal is: 80% C; 10% H2; 5% S; and 5% ash.
Calculate the volumetric a/F ratio and percentage of CO2 by volume in the DRY products when methane is stoichiometrically burned with air.
Determine the buckling load using the euler formula and rankine-gordon formula. re-calculate the buckling load if the length of the strut is reduced to 1.5 m. yield stress of the material 324 MPa. E
Develop an expression for the specific gravity of a person in terms of their weight in air, net weight in water, and SG = f(T) for water.
State any assumptions. A) draw and label a flowchart for this system. b) draw the t-s diagram c) disregarding the pump work, what is the cycle effciency.
water contained in a closed, rigid tank, at 500 degrees C, and unknownpressure is heated until it reaches 100 degrees C AND 70 Kpa. Find the entropy change for the water.
Water at 20c flows for one kilometer through a 8cm diameter wrought iron pipe a 1m^3/min. during this flow passage, the pipe elevation drops 133m. Estimate the pressure drop in this length of pipe.
The stagnation temperature is determined to be 100C. Estimate the air velocity assuming a) incompressible flow b) compressible flow c) discuss the results.
Determine: a. The elastic recovery in a section of 2 inch length after straining to 10% total strain. b. The diameter of the specimen after 10% compressive strain.
Calculate the ideal force required to strain the material 3.5 inches tall if K=100,000 psi and n=0.3. What force would be required if you switches to a perfectly plastic material with a yield streng
If the rod is released from this position, determine a) its angular velocity, b) the reaction at the pivot O, as the rod passes through a vertical position.
How far into the sheet from this high-pressure side will the concentration be 0.5 kg/m3? Assume a linear concentration profile.
Calculate the energy for vacancy formation in silver, given that the equilibrium number of vacancies at 800?C (1073 K) is 3.6 X 1023 m-3.
Does this flow satisfy continuity? If it does, then find the velocity components. Determine the potential function. Sketch some stream lines and potential lines.
If the motor effieciency is 90%, and the brake efficiency is 75%, what is the power input required to the motor? Look up the water parameters required.
The room calculated sensible heat load is 108,000 btu/hr and latent load of 30,000 btu/hr. What is the cooling load in refrigeration tons.
An adiabatic, rigid deposit is divided in two compartments by a piston with diathermic walls capable of sliding without friction. Determine the preasure and temperature on compartments A & B in t
Air enters an evaporative cooler at 1 atm, 36oC, and 20 percent relative humidity at a rate of 4 m3/min, and it leaves with a relative humidity of 90 percent.
Assume a constant pipe resistant coefficient of 0.018. The valves, intake loss and fittings can be represented by K=8.5. Calculate the discharge and the hydraulic power. Check the pipe resistance co
The valve is shut off at the instant when all of the liquid in the tank has vaporized. a) How much refrigerant was added to the tank in kg? b) How much entropy was generated by this process in kJ/K?
Determine the moment of inertia about an axis perpendicular to the page and passing through the pin at O. The thin plate has a hole in its center. Its thickness is 50 mm, and the material has a den
Determine the constant angular velocity that the tank must be rotated in order that the center of the bottom of the tank is exposed. The density of water is 1000 kg/m3.