One pound of carbon monoxide per sound with an initial temperature of 400 °F is allowed to expand with flow from a pressure of 10 to 2 kgf/cm² gauge. At what process is work maximized?
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- Air at standard atmosphere is compressed adiabatically to 97,345 Pa. what are the pressure, density, temperature, and speed of sound.(14%) Problem 2: A cylinder of height H = 50.0 cm and cross sectional area A = 0.10 m² is open to the atmosphere (P = 101325 Pa) and in thermal equilibrium with the surroundings air at 300.0 K. A 20.0 kg piston that seals tightly with the edges of the cylinder (with vacuum grease, so there is little friction between the piston and cylinder) is placed on top and eventually settles at a height h. The cylinder is not insulated. 50% Part (a) How far, in mm, does the piston descend from H to h? Enter a positive value. Ay = 9.500 mm ✓ Correct! 50% Part (b) A mass M is placed on the piston which comes to rest at a height of hi = 48.5 cm from the bottom of the cylinder. Determine M in kg. M=0 kg sin() cos() tan() π ) 7 8 9 HOME cotan() asin() acos() E4 5 6 + atan() acotan() sinh() * 1 2 3 cosh() tanh() cotanh() Degrees Radians + 0 END VO BACKSPACE DEL CLEAR Submit ITint Feedback Laive unlIsentropic compression of 1 ft of air, c/c, = 1.40, at 20 psia to a pressure of 100 psia gives a final volume of: Select the correct response O0.16 ft 0.20 ft3 0.32 ft3 0.40 ft3
- A cyclone has a dpc of 5 μm, what is the overall removal efficiency for air stream that has the following particle size distribution: Particle size % mass in that size range 3μm 10.0% 5 μm 20.0% 15 um 30.0% 20μm 40.0%In an isothermal process of a gas, the bulk modulus = 100 kPa. The pressure of this gas is equalFor air near 0°C, by how much does the speed of sound increase for each increase in air temperature by 1°C?? (Hint: See Problem 91.) Units Number i
- There is gas in a gas container. A valve on the container will be opened and a half of the gas quantity will be released to the outer range. Due to this process the temperature of the gas will be decreased by 25%. What is the decrease of the gas pressure?How many times faster helium diffuse than oxygen at room temperature.Oxygen at 1 bar and 27 deg C is compressed till the final volume is one-eighteenth of the original volume, following a polytropic process PV1.28 = C, calculate the final pressure in psi Select one or more: 0.3588 O 4043.42 O 504.52 O 586.61 O 3477.55
- The titanium shell of an SR- 71 airplane would expand when flying at a speed exceeding 3 times the speed of sound. If the skin of the plane is 400 degrees C and the linear coefficient of expansion for titanium is 5×10-6 /c when flying at 3 times the speed of sound . How much would a 10 meter long ( originally at 0C) rod portion ( 1 dimension) of the airplane expand ? Final answer in centimetersValue At what temperature does the rms speeed of oxygen gas equal 375 m/s?Two containers hold an ideal gas at the same temperature and pressure. Both containers hold the same type of gas but container B has twice the volume of container A. The average translational kinetic energy per molecule in container B is?