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Estimate the force on the chimney and the bending moment at the bottom of the chimney. You may assume that the effect of the wind on the first 1 m height of the chimney has a negligible effect on th
Determine the rotor diameter and the nozzle angle if the vane width is 12.7 mm, clearly indicating the assumptions made. For the gas assume, Cp= 1.13 kJ/kgC and sp. Heat ratio = 1.33.
Develop a relation between dP/dx, U1 and U2 that ensures that the net volume flowrate between the two plates is zero. Determine the magnitude and direction of the shear stress acting on the upper plat
Determine the static head efficiency required of the turbine if the total pressure of its exhaust is not to be less than 1.6 bar and the exhaust velcotiy is 300 m/s.
Determine for this machine the slip factor, isentropic efficiency and the Mach number at the diffuser inlet, stating your assumptions. For air Cp=1.0 kJ/kg.K and sp. Heat ratio = 1.4.
Consider a nuclear power plant that produces 1000mw of power and has a conversion efficiency of 30% Determine the amount of nuclear fuel comsumed by this plant in one year.
If P is resolve into components parallel and perpendicular to the incline and the value of P is 400 pounds, determine the value of the perpendicular and parallel component of P.
The members of the truss shown can withstand a maximum compressive force of 800 lb, and a maximum tensile force of 2000 lb. If a = 6 ft, determine the greatest load P that the truss can support.
If the component of force acting along AC is required to be 300lb, directed from A to C, determine the magnitude of force acting along AB and the angle theta of the 500lb force.
When the cylinder is filled to a depth of 7.0 inches with a certain liquid, the combined weight of the container and liquid is 15.4 lbf. Calculate the density of the liquid in units of lbm/ft3.
An applied force of F=50 lbf, and a diameter of 2 ft. Assuming there are no other forces acting on the piston, determine the mass of the piston in lbm.
A horizontal force of 80N acts on a mass of 6kg resting on a horizontal surface. Plot a graph of Kinetic Energy of the mass against time.
Assuming there are no energy losses due to air resistance and therefore that the acceleration is constant: Calculate the total energy expended in the acceleration.
An insulated mixing chamber receives 4 lbm/s R-134a at 150 lbf/in.2, 220 F in a line with low velocity. Find the mass flow rate for the second line.
An exhaust fan in a building should be able to move 5 lbm/s air at 14.4 psia, 68 F through a 1.25 ft diameter vent hole. How high a velocity must it generate and how much power is required to do th
Specify the wattage of all the resistors you use. Design all necessary precautions for the case you choose. Switch a 12V motor ON when the signal SC is 0V and switch it OFF when SC is +5V. The motor c
A pressure cooker (closed tank) contains water at 200 F with the liquid volume being 1/10 of the vapor volume. It is heated until the pressure reaches 300 lbf/in.2. Find the final temperature. Has
Design a basic Rankine cycle that uses water, refrigerant-134a,or ammonia as the working fluid and that produces the maximum amount of work from this energy source while rejecting heat to the ambien
The temperature remains constant at 20°C. What is the maximum pressure inside the balloon at any time during this inflation process? What is the pressure inside the helium storage tank at this t
Find the pressure on each side of the valve. The valve is opened and water flows to an equilibrium. Find the final pressure at the valve location.
Explain reasonable values for (a) the air velocity approaching the cooling section, (b) the product-cooling capacity of the system, in kg · fruit/h, and (c) the volume flow rate of air.
Fluidized bed boiler system by making the most appropriate design elements and describe the shape by drawing. Determine the capacity of the system elements.
A power plant has a total work output of 65 MJ. If the waste heat discharged is equal to 95 MJ. What is the thermal efficiency of the power plant, and how much inlet heat is required?
Determine the smallest allowable dimensions a and b of the blocks if the shearing stress in the rubber is not to exceed 1.4 MPa and the deflection of the plate is to be atleast 5 mm.