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Calculate the required oxygen flow rate in mol/hr and the resulting mass fractions of methane and oxygen in the product stream.
If the wall thickness is 50 mm, the inner surface temperature is 600 C, and the outer surface temperature is 75 C, calculate the heat loss from the furnace.
What percent reduction in heat loss would be mitigated by replacing a window contaning a single pane of glass with ( a) double pane low E insulating glass.
What is the maximum power that could be produced by this heat engine? what would be the thermal cycle efficiency of your maximum power engine?
Would it be a possible to use a normal domestic refrigerator as a heat source for a small hot tub or whirlpool? If so, would estimate to be the maximum heating rate.
If kinetic and potential energy changes of the air from inlet to exit are negligible, calculate the compressor power.
Sketch the ball temperature versus time for 0< t < 1 h. Also show the ambient temperature, T, in your graph. Explain special features of the ball temperature behavior.
Determine (a) the maximum allowable length of the pipe, (b) the required pipe wall thickness for an external diameter of 75mm if the tensile load is 150kN.
Determine the change in the internal energy and enthalpy of water on the basis of the (a) compressed liquid tables, (b) incompressible substance approximation and property tables (c) specific heat m
Determine the distance and time that the bus will travel along the curve before the magnitude of its total acceleration is 3 m/s^2?
Steam is now heated until its volume is 5m3 and its pressure is 300kPa. Determine the heat transferred to and the word produced by the steam during this process.
At time t=0, a second is used to remove a gate blocking the tank exit. Will the exit flow be sufficient to start the tank moving? Assume the water flow is frictionless.
Determine the maximum tensile stress in the laminated cylinder resulting from the shrink fit. Determine the maximum tensile stress in the laminated cylinder after an internal pressure of 200 MPa is
Estimate the maximum elongation and maximum tensile stress developed in the cable. You can determine the answer from either basic energy method (i.e. balance the energy in the system) or by finding
An internal pressure of 165 MPa is applied to the assembly, determine The initial shrinkage pressure required. The interference needed to produce this shrinkage pressure.
In particle image velocimetry (PIV), small particles are seeded in the fluid to trace the velocity profile. Derive the velocity equation of a particle under a sudden (step) change in velocity.
A buildng 45m high lies directly in the glide path to the runway. If the aircraft clears the building by 12m, how far from the building does the aircraft touch down on the runway?
The weight in either basket does not differ by more than 15 pounds. The king weighs 195 pounds, the princess weighs 105 pounds, and the prince weighs 90 pounds. How can they escape from the tower?
Find the compression ratio and the mean effective pressure. Use constant specific heat Cv = .171 Btu/lbm degreeR. Is this suitable for modeling a gasoline engine?
Determine the size of the contact patch and the maximum contact stresses for a 40-mm-dia steel cylinder, 25 cm long, rolled against a parallel 50-mm-dia steel cylinder with 10 kN of radial force.
Calculate the linear density (atoms/nm) of atoms along the family of directions that lie within the (110) plane in i) BCC iron and ii) FCC platinum. The atomic radius of Pt is 0.139 nm.
Estimate the volume of adhesive wear to expect from an HB270 steel shaft of 40-mm dia rotating at 250 rpm, three 8-hour shifts per day for 10, 360-day years in a plain bronze bushing if the transver
Determine the amount heat transferred to the steam during the entire process. What is the amount of work produce in this process that might be useful for driving a car?
Determine the phase and the specified property at a given state of water using thermodynamic tables. Pressure (p) = 2.5 bar, specific volume (v) = 0.5 m3/kg, Determine the phase and temperature (T) in
Determine the Exergy difference between initial and final states, minimum work that would be required to accomplish this state change, and if a destruction of exergy occurs, determine the amount of