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Calculate the reaction force in each of supports A and B. Calculate the moment of the force exerted by the crate around support A and the moment of the force around support B.
Determine the velocity from the faucets on the 2nd and 3rd floors if each floor is 11 ft tall, each faucet is located 3.5 ft above the floor. The water tower is elevated 3 ft above the roof and it i
Use your equation to calculate the pressure (in mb) at 1200 m above the ground (assume surface temperature = 15 degree C and surface pressure = 1000 mb).
Calculate the heat emitted to the environment (Btu/sec), the coal feed rate (tons/day), the degree (%) of sulfur dioxide control needed to meet an emission standard of 0.15 lb SO2/million Btu of hea
Moist air at 30 degrees C, 2 bar, and 50% relative humidity enters a heat exchanger operating at steady state with a mass flow rate of 600 kg/h ans is cooled at constant pressure to 20 degrees C.
Some hypothetical metal has the simple cubic crystal structure (i.e., atoms positioned at each of the eight corners with atoms touching one another along cube edges).
For a metal that has the simple cubic crystal structure, calculate the atomic radius if the metal has a density of 8.38 g/cm3 and an atomic weight of 57.62 g/mol.
For this crystal structure: (a) How many atoms are associated with each unit cell? (b) What is the coordination number? (c) What is the atomic packing factor?
A 1000 N force is applied in the beam length (x) direction, a 100 N force is applied in the y direction, and a force of 100 N is applied in the z direction. Calculate the Von-Mises stress at the cla
Calculate the radius of an silver atom in cm, given that Ag has an FCC crystal structure, a density of 10.5 g/cm3, and an atomic weight of 107.87 g/mol.
Find the sum of two harmonic motions of equal amplitude but of slightly different frequencies. Plot the resulting motion of the mass(you may use any software available to you). Determine the beat freq
An accelerometer indicates that part of a machine element is vibrating harmonically at 82cps with a maximum acceleration of 50 g. Determine the amplitude of the vibration.
Natural gas at 70 F and standard atmospheric pressure of 14.7 psi is compressed isentropically to a new absolute pressure of 70 psi. Determine the final density and temperature of the gas.
A round casting is 0. 2 m in diameter and 1 m in length. What is the difference in the solidification times of the two castings?
What is the highest temperature at which the flash drum can operate and still have vapor and liquid present, using the DePriester chart for equilibrium?
Find the mole fractions of liquid and vapor products and V/F c) We desire a vapor product that is 80 mol% methanol and want to operate at V/F = 0.3. What must the feed composition be?
Determine the volume required to store 25kg of ethane at 320kPa and 35 degrees Celsius. If the temperature rises to 65 degrees Celsius, what will the pressure be in the storage tank?
Consider a hollow steel sphere of inside radius r1=10 cm and outside radius of r2=20 cm. Determine the thickness of insulation (ki= 0. 5 W/mK) required to reduce the heat loss by 50%.
Compare this result with the heat loss if the window had a single pane of glass of thickness L = 6 mm only instead of the Thermopane.
Will atmospheric water vapor condense on the outside of the insulation if the ambient air temperature is 300 K with a dew point of 285 K if the combined convection and radiation coefficient is 9 W/m
What volume must be provided in a methane tank to hold 10kg of methane at 1500 kPa and 30 degrees Celsius? If the temperature drops to zero degrees Celsius, what will the pressure be?
If a pound of coal produces 1.83 pounds of CO2 during the combustion process, how much extra carbon dioxide does the leaky faucet produce in a year?
Machining costs per casting are $6.00 for the brass-copper alloy. Which material should th engineer select, and what is the difference in unit costs?
Determine the final density and temperature of the gas. REally need help i have tried only to end up getting really confused after trying to convert and you the ideal gas law.
Initially the pressure and volume of the gas is 200 kPa and 0.3 m3. A process occurs whereby the pressure drops to 100 kPa. Determine the work done in kJ.