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1. 100 moles of a fuel containing methane and butane is burned with 25% excess air in a furnace producing stack gas at 300C and 105 kPa. Determine the amount of 100 psi saturated steam that can be produced from water fed in at 500F, if
a) the stack gas does not contain CH4, C4H10or CO,
b) the dew point of the stack gas is 58 0C, and
c) the air enters at 200C as dry air.
Estimate the molar ratio of hydrogen to carbon monoxide in the synthesis gas if the feed consists of an equimolar mixture of steam and methane.
If the motor is operating on load with a power angle of -20°, and the excitation is adjusted so that the excitation voltage is equal in magnitude to the terminal voltage, determine the armature current and the power factor of the motor.
Compute the theoretical density of diamond given that the C-C distance and bond angle are 0.154 nm and 109.5°, respectively. How does this value compare with the measured density?
In a process for the production of acrylic fibers by the emulsion polymerization of acrylonitrile, the unreacted monomer is recovered from water by distillation. Acrylonitrile forms an zoetrope with water and the overhead product from the column c..
A stream of 5.00 wt% oleic acid in cottonseed oil enters an extraction unit at a rate of 100.0 kg/hr. A separate stream of propane enters the unit. Propane is able to dissolve oleic acid but cannot mix with the cottonseed oil. Two streams exit the un..
The voltage across a 4 mF capacitor is (t) = (200,000t 50,000)e-2000t µ(t) V. Find current through the capacitor
question 1a handling operations for solidpowder substances are often a source of dust generation and are a source of
Discuss the choice of the time constant value based on the results.
Compute the increase in temperature and entropy if saturated liquid water at 10 kPa is pumped to a pressure of 9.0 MPa, if the pump is 75% efficient (where 100% efficiency would be reversible). You may use constant values and at these conditions.
Calculate the final solution volume and the shaft work in kW that the pump must deliver, assuming that the surface of the stored solution and the pipe outlet are both at 1 atm. Data. PH2O = 1.00 kg/
1. the potential energy between two atoms can be represented as
Technical specialists at the company have flagged part of an internal calculation by a junior engineer as potentially erroneous. The excerpt is given below. Please prepare a brief memo for our Quality Assurance department describing the errors and pr..
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