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Problem 2.9:
A tank whose volume is 12 m3 contains 6.2 kg of water at 1.4 bar. a) What is the phase (liquid, vapor, liquid/vapor mixture)? b) What is the temperature? c) We add more steam to the tank while maintaining its temperature constant at the value calculated in part b. As a result, the pressure in the tank increases. Determine how much water (in kg) of steam must be added to bring the steam in the tank to the point of condensation. d) Draw a qualitative PV graph and show the path of the process for part c.
The constant losses from a no-load run as a motor are given to be 220 W, of which 70 W represents friction and wind age losses. Calculate the efficiency of the induction generator.
Estimate the temperature of saturated steam which must be used when the exchanger is new (i.e., no scale present) if the water enters the unit at a rate of 15,000 gph and is heated from 70 to 150°F.
determine the optimum values of x and y involved in Eqs. (92) to (95).
Additional data: Use the Lee-Kesler graphs for enthalpy and entropy. The saturation pressure of propane at -51.4 °C is 0.66 bar. Take the ideal-gas CP of propane at these conditions to be constant and equal to 67 J/mole K.
Find the charge flowing, and the number of electrons per second that are passing some point in the wire.
Draw a schematic connection diagram as an autotransformer.
In terms of heat treatment and the development of microstructure, what are two major limitations of the iron-iron carbide phase diagram?
Assuming that the maximum-speed condition determines the machine size, and neglecting exciting current, losses, and voltage drops in the induction machine,
U-235 undergoes many different fission reactions. For one such reaction, when U-235 is struck with a neutron, Ce-144 and Sr-90 are produced along with some neutrons and electrons.
Determine the composition of streams leaving the first FV unit. Determine the amount of liquid and vapor leaving the first FV unit.
Strategic Quality Management (SQM) Implementation Plan -- Individual Assignment - 25% of grade. This SQM plan may be for a religious organization, a city, A&M-Commerce, a manufacturing or engineering organization, the organization for which you wo..
Engineering Process Design. Please provide complete and correct solution done on computer or by hand. Please, emphasis on correct and scientific solution. This is all the information provided.
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