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Propane at 343.15 K (70°C) and 101.33 kPa is compressed isothermally to 1500 kPa. Estimate AH and AS for the process by suitable generalized correlations.
The dc resistance of the armature at this temperature is 0.0335 Ω per phase. Compute the effective armature ac resistance in per unit and in ohms per phase at 25°C.
The feed contains 10 mol% acetone. Acetone of at least 95 mol% purity is wanted, and the aqueous effluent must not contain more than 1 mol% acetone. The feed will be a saturated liquid. Estimate the number of ideal stages required.
To determine the Ksp value of Hg2I2, a chemist obtained a solid sample of Hg2I2 in which some of the iodine is present as radioactive 131I. The count rate of the Hg2I2 sample is 5x10^11 counts per minute per mole of I. An excess amount of Hg2I2(s)..
Give a description of the product and its physical and chemical properties, including a chemical structure drawing - Identify at least one company the produces your product and where the production facilities are located (city, country).
find the current from the supply source. Sketch the phasor diagram showing all quantities involved.
A reservoir contains natural gas at a pressure of 5000 psig and a temperature of 180 °F. The composition of the gas is 80% methane, 15% ethane, and 5% CO2 (all fractions are by mole).
Compute the mean torque if the stator current is 10 A (rms), the rotor is short-circuited, and the angle between the winding axes is 45°.
Select a process variable (pressure / temperature / level / flow) and conduct a literature survey to determine recent developments in process instrumentation field. Identify any one novel instrument and explain in detail the working of the instr..
Calculate the average mechanical torque needed to turn the coil and generate power for the resistor. Identify the action of the device as that of a motor or a generator.
Determine the primary current, primary voltage, and power factor.
A solution of nitric acid has a specific gravity = 1.502. Stating that the concentration of nitric acida. molarity
Determine the power output of the turbine and the efficiency of its operation in comparison with a turbine that operates reversibly and adiabatically from the same initial conditions to the same final pressure.
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