What is the temperature of the steam leaving the turbine

Assignment Help Electrical Engineering
Reference no: EM13249349

1) 70 lbs/hr of steam at 300 psia, 500oF passes through a turbine which expands it to a pressure of 30 psia. If the turbine operates with an efficiency of 70%:

a) What is the temperature of the steam leaving the turbine?

b) What is the quality (% vapor) of the steam leaving the turbine?

c) How much work (Btu/hr) is produced by the steam passing through the turbine?

2) Saturated liquid at 60 psia passes through an insulated vale which reduces its pressure to 25 psia.

a) What is the final temperature?

b) What percentage liquid is in the final mixture?

Use the charts in the skeleton notes for the remaining problems.

 

3) What is the heat of vaporization of water at 1 MPa?

 

4) Steam is reversibly and isothermally compressed from 900oC, 0.6 MPa to 400 MPa.

a) How much heat must be removed?

b) What is the concentration of vapor?


5) Air flows into a unit operation at a rate of 1 kg/s at 50 atm, 275oK, and leaves at 1 atm, 150oK.

a) Is this unit operation a compressor or a turbine?

b) What is the rate of electricity produced of consumed by the unit operation?

c) What is its efficiency?

Reference no: EM13249349

Questions Cloud

Compute the ph of the above solution of benzoic acid : Calculate the pH of the above solution if 1.00 moles of benzoic acid and .97 moles of Sodium Benzoate are added in enough water to make 750ml of solution
Find the load admittance yl : the length of a short-circuited stub of characteristic impedance Z (OS) =100 ohmns which, upon placement in shunt with the line at the 1 + jbn admittance point, produces impedance matching on the line so that there exists no reflected wave to the ..
Determine the object distance and the image distance : A concave mirror ( f = 51 cm) produces an image whose distance from the mirror is one-third the object distance, determine the object distance and  the image distance
Explain a gas mixture containing oxygen and nitrogen : A gas mixture containing oxygen, nitrogen, and neon exerts a total pressure of 1.20 atm. If helium added to the mixture increases the pressure to 1.50 atm, what is the partial pressure (atm) of the helium
What is the temperature of the steam leaving the turbine : 1) 70 lbs/hr of steam at 300 psia, 500oF passes through a turbine which expands it to a pressure of 30 psia. If the turbine operates with an efficiency of 70%: a) What is the temperature of the steam leaving the turbine b) What is the quality (% v..
Calculate the location and the height of the image : A 1.90-cm-high object is situated 12.8 cm in front of a concave mirror that has a radius of curvature of 10.4 cm, calculate the location and the height of the image
Explain what is the ph of a solution hcl : What is the pH of a solution to which 35.0 ml of .20 M HCl and 50.0 ml of .42M NaOH have been combined
How much mechanical energy is lost in the collision : A railroad car of mass 2.52 104 kg is moving with a speed of 4.06 m/s. It collides and couples with three other coupled railroad cars, How much mechanical energy is lost in the collision
What drives the market for ipo : What recommendations would you make to Facebook to ensure the industry leadership position is sustained?

Reviews

Write a Review

 

Electrical Engineering Questions & Answers

  What is the magnitude of the current that flows through wire

A wire carrying a current is shaped in the form of a circular loop of radius 4.0 mm. If the magnetic field strength at its center is 1.1 mT with no external magnetic fields contributing to it, what is the magnitude of the current that flows throug..

  Determine if the system is a linear and time invariant

Let y[n] = Odd{x[n+1]}, where Odd{f[n]} takes the odd part of f[n]. Determine if this system is a. Linear b. Time invariant c. Causal For each part, either show proof that the property holds or show an example that it does not.

  How effect do internal capacitances in the transistor model

What effect do internal capacitances in the transistor model have on practical performance of a real system? How would you use these model values to predict system performance?

  By what amount will their bill be reduced during the months

An office building is billed based on the rate structure given in Table 5.3 (Energy charges is $0.0732/KWh and demand charge is $9 / mo-kw. As a money saving strategy, during the 21 days per month that the office is occupied

  Explain the frequency response of an fir filter

The frequency response of an FIR filter is H(ejw)=b0+b1*e^-jw+b2*e^-2jw. In each case below, state whether the filter is highpass, lowpass, bandpass or band stop and draw the pole zero plot.

  What is difference between multiplexing and multiple access

What is the difference between multiplexing and multiple access?

  How much current is flowing through the resistor

If I have a resistor that is 10 Ohms and has a voltage drop of 4.2 V, how much current is flowing through the resistor?

  Define j-k flip flop circuit design

This solution shows how to work from a given circuit implementation (a J-K flip flop circuit design) to derive the Boolean Logic and in so doing so simplify such logic using Boolean Algebra rules

  Determine the average no load steady state speed

The rotor of a 3phase, 5kw, 400v, 50Hz, slip ring indution motor is wound for 6 poles while its stator is wound for 4 poles. The approx average no load steady state speed when this motor is connected to 400v, 50Hz what is the supply

  Write a sequence of instructions to initialize and run timer

051 Microprocessor a. Write a sequence of instructions to initialize and run the timer to geneate an 800 baud rate clock. b. what would be the baud rate if the intial value of the itimer was set to 9AH

  Draw the logic diagram for the four-bit circuit

Draw the logic diagram for the 4-bit circuit, using full adders and multiplexers. Determine the arithmetic operation performed for each of the four combinations of S and Cin: 00, 01, 10, and 11.

  Determine the digital frequencies of the sampled signal

A composite analog signal is given in the following expression: x(t)=1.2 sin(2pi60ft)+0.0001cos(2pi1ft) -If this signal was sampled at 1000 Hz, derive the expression for the sampled sequence x[n] with n being the sampling index.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd