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An ideal rocket has the following characteristics:
Determine the critical pressure ratio, the gas velocity at the throat, the expansion area ratio, and the theoretical nozzle exit velocity.
If the system initially contains 1.5 mol H2 for each mole of styrene, what is the composition of the system at equilibrium? Assume ideal gases.
For the segment Y3 to be turned on, develop the logic expression and find one possible logic circuit to realize the output in each case.
A balanced three-phase, wye-connected, 2400- V, 60-Hz source supplies two balanced wye connected loads in parallel. The first draws 15 kVA at 0.8 power factor lagging, and the second needs 20 kW at 0.9 power factor leading.
Compute the efficiency at one-half load, assuming that the stray-loss and rotational losses do not change with load.
A vapour stream that is 65 mole% styrene and 35 mole% toluene is in equilibrium with a liquid mixture of the same two species. The pressure in the system is 20 kPa. Use Raoult's law to estimate the composition of the liquid and the system temperat..
Write a MATLAB function that uses the transfer function approach to determine the closed-loop system transfer function for a given plant transfer function G(z), desired closed-loop system poles, and observer poles.
A transformer has its maximum efficiency of 0.9800 when it delivers 15 kVA at unity power factor.
A loaded semi-truck consumes about 10 US gallons of diesel per hour (assuming an average speed of 60 mph) and is driven about 16 hours per day, every day of the year. The density of diesel id 0.85 kg/liter. If 1 barrel of crude oil produces 10..
Steam in a closed system is compressed by reversible isothermal process in a heat bath at 250 °C, starting from an initial pressure of 15 bar. During the process, the steam transfers 2000 kJ/kg of heat to the bath. Determine the final state and th..
A lime-soda softening plant treats a flow of 150 MGD, and the water has 86mg/l Ca2+, 35 mg/L Mg2+, 299 mg/L HCO3- and 6mg/l CO2. The commercial grade of quicklime has a purity of 85% and the soda ash has a purity of 95%. Determine the pounds of qu..
What size of PFR is needed for 80% conversion of 1000 moles of A/hour feed at
Rebecca believed that Stogy would be able to hire experienced cigar rollers whose output would be somewhere around 200 cigars a day, depending on the cigar's size and shape as well as on the roller's skill.
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