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Calculate (a) the highest temperature (K) and pressure (kPa) in the cycle, (b) the heat input (kJ), (c) the net work output (kJ), and (d) the thermal efficiency of the cycle. Use variable specific h
Construct a Class definition to represent an employee of a company. Each employee is defined by an integer ID number, a double-precision pay rate.
Accounting for variable specific heats determine the final temperature of the mixture, the work required and the entropy change of each constituent in the mixture.
As a first estimate, you may evaluate the properties of the liquid film at the saturation temperature. If one wishes to increase the transfer rates, what is the limiting factor that should be addres
If the outer diameter is 75 mm and the engine delivers 145 kW to the shaft when it is turning at 1250 rev/min., determine the minimum required thickness of the shaft's wall.
Draw the free-body diagram of the wheel and member ABC used as part of the landing gear on a jetplane.The hydraulic cylinder AD acts as a two-forcemember,and there is a pin connection at B .
If the coefficient of kinetic friction between the brake pad B and the wheel's rim is .5, determine the constant force P that must be applied to the braking mechanism's handle in order to stop the w
The maximum temperature reached is 2000 K. Using cold air properties, determine a) the thermal efficiency and b) the total power output of the engine.
Determine the air to fuel ratio required (on a mass basis) to burn the fuel with 20% excess air. If the air is at 27C and 98 kPa, what volume of air is required to burn a kg of fuel?
Determine the balanced reaction equation assuming complete combustion. Determine the mole fractions of the products mixture and the Air to Fuel ratio based upon mass.
Determine the final pressure and temperature of the mixture and the entropy change for the mixing process. Assume constant specific heats where cvN2 = 0.744 kJ/(kg-K); cv Co2 = 0.68 kJ/(kg-K).
Assuming that the combustion reaction is controlled by the diffusion of oxygen to the coal particle surface, estimate the instantaneous combustion rate of oxygen (mol/s) by the average size coal par
Write the differential equation to find the temperature in the slab as a function of position. Write the boundary conditions necessary to solve the problem.
As a process engineer, you are asked to determine the emission rate of MeOH vapor from the tank in units of Kg MeOH/day when the tank is a temperature of 30C.
The air used to heat an auditorium flows into the heating unit at a rate of 145 m3/min at -3°C and 100 kPa. What is the temperature of the air exiting from the heating unit?
In a 2-D incompressible flow field, the x component of velocity is given by the equation u = 2x. Determine the corresponding equation for the y component of the velocity if v = 0 along the x-axis?
If the boundary layers on the wing surfaces behave as those on a flat plate, estimate the extent of laminar boundary layer flow along the wing. Assume a transitional Reynolds number of Rexer = 5 &ti
Air of room temperature was in a cylinder and sealed (cylinder is closed). Determine the amount of heat released from the cylinder to outside.
If gear rack B is stationary, while the 25-kg gear rack C is subjected to a horizontal force of P=150 N, determine the speed of C after the gear's center O has moved to the right a distance of 0.3 m
The pump volumetric flow rate is 2 x 10-3 m3/s at 300 K. A. Determine the head loss associated with the pump if the inlet pressure is 90 kPa and the outlet pressure is 300 kPa.
Plot the thickness of the plastic insulation as a function of the heat transfer up to and slightly beyond where it helps then hurts the heat transfer from the ball.
Determine the natural frequency of oscillation.There is a spring on the right side of the pulley's rope. k=1500N/m Radius of pulley=150mm.
Describe what happens in the heat-affected zone of the weld and discuss the problems that might occur. Design a joinging process that may minimize these problems.
Determine T3 in K. - Determine the Power of the exit in the second turbine in kW - Represent those processes in a p-v diagram.
Determine the Work for each of the processes, including the total Work in KJ Determine the Heat (Q) interchanged in each of the processes, including the Total Heat, in KJ.