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The cooling water leaves the exchanger at 88oC. a) Calculate the rate of heat exchange between oil and water streams b) Calculate the exit temperature of oil flow.
If the mixed stream (warm stream) leaves the chamber at 300 kPa, calculate its temperature as it exits the chamber.
Determine the amount of heat that will be transferred to the room when the steam pressure has dropped to 100kpa. Also show the process on a P-v diagram with respect to saturation lines.
Feed-water heaters are used to increase the efficiency of steam power plants. The heater loses heat at a rate of 50 J/g of exiting mixture. What fraction of the exit stream is steam?
The air does work in the amount of 30 kJ/kg and 14 kJ/kg of heat is removed from the air during the expansion. The initial volume is 0.00878 m3. Calculate the entropy change of the air per kilogram.
The gas undergoes complete combustion with 120% of the stoichimetrically required air. A) Write the balanced equation B) Calculate the fuel-air ratio on a molar and mass basis.
Calculate the inlet and exit specific volumes. Calculate the temperature, specific enthalpy, and specific entropy at the exit.
Calculate: a. The turbine exit temperature and power output in °C and kW respectively b. The compressor exit pressure and temperature in kPa and °C respectively c.
At time t =10 sec determine(a) the distance the motorcycle has moved along the track and (b)the magnitude of its acceleration.
A drag racer that weighs 1600 lb attains a speed of 270 mph in a quarter mile. Immediately after passing through the timing lights, the driver opens a round drag chute with a diameter of 6 ft.
Find the rate of heat exchange between the hot fluid and water streams. and find the the exit temperature of the hot fluid flow.
The mixture of warm water then exits the chamber at 300 kPa Calculate the tempreture of the warm water as it exits the chamber show all work, equations and solutions for this problem.
What is the water pressure supplied to a building of the shower heads are 30 meters above the supply line, the pipe is 1 centimeter in diameter (id) galvanized iron pipe.
80 Foot tree. Branches begin 8 feet from ground. Forms a triangle with a 30 degree angle at the tip of tree. Wind speed is 10 meters/second.
The mass flow rate through the nozzle was found to be 1.08kg/sec and the exit velocity was found to be 74.4m/s. Calculate the exit pressure show all work.
At Sea level. The burner heats it to 277 Celsius. Is the pressure inside enough to escape past the pressure regulator? At 0.8 atm?
What mass is needed for the pressure regulator to maintain 1 atm gage pressure in the cooker? If the cooker is 12 inches in diameter, what is the minimum total force required to keep the lid on tigh
At that instance, the water on the open side has gone down 4 cm. The side with the cap has gone down 1 cm What is the pressure difference the cap caused at that instant?
Find the work output of the turbine if the turbine efficiency is 90 percent, the heat transfer in the condenser, and the thermal efficiency of the cycle.
The maximum-sized internal flaw in a hot-pressed silicon carbide ceramic is 25 nanometers. If this material has a fracture toughness of 3.7 mPam.
Assuming that the process is reversible and adiabatic and that air is an ideal gas, what are the exit pressure and temperature of the air in kPa and °C respectively?
Determine the deflection and slope at point A using integration method. b. If the beam material is made of steel and is of square cross section, assume your own values of w.
The pump and turbine are isentropic. A) What is its thermal efficiency? B)At what rate is energy bing given off by heat transfer to the cold thermal reservoir?
Assuming that the diameter of the shaft is d, determine the expressions for the principal stresses and maximum shear stress in terms of Ma, Ta and d.
Estimate the time and distance required to decelerate the aircraft to 100 knots, assuming that the breaks are not used and the drag of the aircraft is negligible.