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.
Expected delivery within 24 Hours
Carbon dioxide flows through a device entering at 300 K, 200 kPa and leaving at 500 K. The process is steady state polytropic with n = 3.8 and heat transfer comes from a 600 K source.
Past car sales experience has shown that 18% of all luxury cars sold are black. If 48 recent sales of luxury model cars are randomly selected, find the following probabilities: On average, how many of the recent sales of luxury cars would you expec
Estimate the force of the roof at the opening pressures for internal pressure and for vacuum. -oil storage tank has a flat, horizontal, circular roof 120 feet in diameter.
Determine The rate of heat transferred to the water in the condenser in kj/min The mass flow rate of water, in kg/min Note: properties at subcooled liquid can be approximated by the properties at its saturated temperature.
A truck engine delivers 50hp(total) to the truck's (two) rear axles. The truck has 36'' tires and is travelling at 60 mph. What is the torque exerted on each axle?
Determine the radius "r" of an impurity atom that will fit into a tetrahedral site of BCC iron(R=1.241 angstroms) crystal structure.
For a specific design, the desired radial load was converted to the equivalent C10 load of 14.2 kN. If sufficient clean lubricant is used, what will be the major failure mode in rolling bearings?
Heat is then slowly removed from the nitrogen during a constant pressure process until the temperature of the nitrogen is 300K. Calculate the work done by the nitrogen gas.
A mass of 3kg of nitrogen at 100kPa and 20oC is contained in a piston-cylinder device. It is now expanded to a final pressure of 50Pa. Calculate the work.
A moment of 12.5 Nm is applied to pulley A causing it to rotate through 68 radian. What are the final angular velocities of the three pulleys?
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!