Find the plant-s thermal efficiency
A utility plant runs an ideal Rankine cycle with water. The boiler pressure is 3.0 MPa and the cycle has a high temperature of 450 °C and its low temperature is 45 °C. Find the plant's thermal efficiency.
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A Brinell hardness measurement, using a 10-mm diameter indenter and 300 kg load, produced an indentation 1.5 mm in diameter.
The temperature surrounding the DMM is 30 degrees C. The thermocouple voltage is 37.0 mV. What is the exact temperature of the oven?
A turbine receives 0.1 kg/s of hot air at 55 m/s velocity at 1.4MPa and 900K. The air leaves at 225m/s and 200 KPa and 500K. If the turbine loses heat at a rate of 50KJ/g. Determine the power output (KW)?
Calculate the energy efficiency of a continuous glass melter that uses room temperature air for burning methane gas. Assume 0% excess air.
How much energy (in ft-lbf, Btu, and kJ) is required to accelerate my 3400 pound car from rest to a velocity of 60 mph on a level stretch of road?
La Paz, Bolivia is at an altitude of approximately 12000ft. Assume a standard atmosphere. How high would the liquid rise in a methanol barometer, assumed at 20C?
The motion diagram shown in the figure represents a pendulum released from rest at an angle of 45 from the vertical. The dots in the motion diagram represent the positions of the pendulum's bob at eleven moments (labeled 0 through 10) in time.
Calculate the escape speed from the Earth for a 4800 kg spacecraft and determine the kinetic energy it must have at the Earth's surface to move infinitely far away from the Earth. What is its orbital speed?
Taking the properties of the egg to be ρ = 1020 kg/m3 and cp = 3.32 kJ/kgC, determine how much heat is transferred to the egg by the time the average temperature of the egg rises to 80C.
he solids do not form a solution and exist as pure, distinct phases. Assume carbon dioxide behaves as an ideal gas. Calculate the vapor pressure of carbon dioxide which exists in equilibrium with the two solid species.
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