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Steam enters the first-stage turbine shown in Fig. 2 at 40 bar and 500°C with a volumetric flow rate of 90 m3/min. Steam exits the turbine at 20 bar and 400°C. The steam is then reheated at constant pressure to 500°C before entering the second-stage turbine. Steam leaves the second stage as saturated vapor at 0.6 bar. For operation at steady state, and ignoring stray heat transfer in turbines and kinetic and potential energy effects, determine the(a) mass flow rate of the steam, in kg/h.(b) total power produced by the two stages of the turbine, in kW.(c) rate of heat transfer to the steam flowing through the reheater, in kW.
a drill operation is to be performed with a 16 mm twist drill the hole is blind with a depth of 50 mm.cutting speed is
A circular shaft is subjected to a torque Ta and a bending moment Ma. 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.
Calculate the minimal round-trip time delay for a radio communications link between Los Angeles and the satellite.
the moisture content at the turbine exhaust is not to exceed 15%. determine the greatest allowable steam pressure at the turbine inlet and calculate the cycle efficiency.
What is the primary difference between the strength of a structure and the strength of a material? Is a strong material stiff?
A volume of 1.8 L of neon gas (monatomic) is at a pressure of 3.4 atmospheres and a temperature of 370 K. The atomic mass of neon is 20.2 g / mol. Calculate the mass of neon gas in SI units.
Determine the Mach number of this plane for the stated limiting condition.
Analysis of the motion of swing including velocity and acceleration plots of all moving parts and projectile analysis of projectile eg: flight path, horizontal distance, deceleration and launch velocity
the upside-down steel a frame shown in the figure is to be bolted to steel beams on the ceiling of a machine room using
Air exits from the nozzle at 800m/s. find the air exit temperature from the compressor.
Solve for the pressure of a gas using both equations at a temperature of 400K and a molar volume of 1x 10-4 m3/mol. For the van der Waals EOS, use parameters of a= 4.1x10-1 (m3/mol)2 Pa, and b=4.3x10-5 m3/mol.
A horizontal platform rests on four vertical springs, each of stiffness 15kN/m and mass 0.25kg. what will the frequency of oscillation of the table be if it has a mass of 2.okg
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