Calculate the work done during this process

Assignment Help Civil Engineering
Reference no: EM131231811

1. A cylinder fitted with a frictionless piston contains 10 lbm of superheated refrigerant R-134a vapor at 100 lbf/in.2, 300 F. The setup is cooled at constant pressure until the R-134a reaches a quality of 25%. Calculate the work done in the process.

2. A piston of 4 lbm is accelerated to 60 ft/s from rest. What constant gas pressure is required if the area is 4 in.2, the travel distance is 4 in., and the outside pressure is 15 psia?

Reference no: EM131231811

Questions Cloud

Determine the total project completion time : You must also do the following: Determine the expected completion time and the variance for each activity and Determine the total project completion time and the critical path for the project
Security-exchange commission on the business environment : As we explore the role of the Security and Exchange commission on the business environment (Chapter 12 Reading), we see that there are many rules and regulations that must be followed in order for a publically traded business to operate in the United..
Identify commonality and difference in probation and parole : Probation and parole are both types of community supervision for offenders being supervised by correctional agencies. While these forms of community supervision have similarities, they are intended for different types of offenders.
Representative of the population : The _______________ probability distribution can be used to estimate the number of vehicles that go through an intersection during the lunch hour. act(s) as a representative of the population.
Calculate the work done during this process : A piston of 4 lbm is accelerated to 60 ft/s from rest. What constant gas pressure is required if the area is 4 in.2, the travel distance is 4 in., and the outside pressure is 15 psia?
What you conclude about the internal market strength today : What would you conclude about the internal market strength today? Explain what information leads you to your conclusion.
What is the random variable associated with the game : What is the random variable associated with this game? What is the mutually exclusive event in this case? Construct a well-labeled probability distribution table based on the outcomes of this game.
Write a comprehensive report on the federal reserve system : Write a comprehensive report on the Federal Reserve System: Origin, Structure, History, Mission and Success (positive/negative?).....and it's impact on the current economic situation
Two contrasting views of the corporation or agency : The complications of financial management from the perspective of treating IT as if it were a separate financial entity, on contract, to the corporation or agency. Flemmings' treatment of the problem comes from a company known for its financial metri..

Reviews

Write a Review

Civil Engineering Questions & Answers

  What is the difference in reservoir elevations for 20 cfs

The characteristics of the line are 5,000 ft of steel pipe (e = 0.00015 ft) which has an ellipsoidal cross section (flow area = 4 ft^2; wetted perimeter = 8 ft); three standard elbows (K = 0.9 per elbow); a globe valve (K = 10); and a re-entrant p..

  What is the maximum annual equivalent amount for the device

An electronic device is available that will reduce year'slabor cost by $10,000. the equipment is expected to last for eightyears. If labor is cost increase at an average rate of 7% per year and the interest rate is 12% per year

  Find the amount of work in foot-pounds required

A trough is 5 feet long and 1 foot high. The vertical cross-section of the trough parallel to an end is shaped like the graph of y=x6 from x=?1 to x=1 . The trough is full of water. Find the amount of work in foot-pounds required

  Calculate the necessary angular velocity for the swings

Neglect the mass of the cables and treat the chair and person as one particle.

  How much contact time would be reuired for inactivating

How much contact time would be reuired for inactivating Giardia cysts using the following chemicals at the concentrations and temperatures stated: a. Chlorine Dioxide, 23C, 1.0 mg/L b. Chlorine, 12C, 1.6 mg/L c. Ozone, 10C, 5 mg/L d. Chloramines, 20C..

  How many milligrams of co2 were released to the atmosphere

You open a 16 oz (1 pint) bottle of a carbonated soft drink that has a temperature of 5°C, then you get distracted and forget to drink it. You come back quite some time later and find that it has gone "flat," and that it has gotten warm (20°C).

  Define the control variables and formulate the mathematical

No more than 12 units of TV, 40 units of radio and 25 units of direct mail are available. A minimum of 9 units of radio and 5 units of direct mail must be purchased.

  Design hardwood beam to support a uniformly distributed load

Design a hardwood beam to support a uniformly distributed load of 20 kN over a simply supported span of 8 m. consider bending strength only. Assume that the weight of the beam is 2 kN.

  What is the reason for the relatively high strength of wood

The de-carburization of a steel can also be described by the error fuction. Starting with the equation, (cx-c0)/(sc-c0) = 1-erf(x/(2*(sqrt(Dt)))), and taking cs=0 derive an expression to describe the concentration profile of carbon as it diffuses out..

  Calculate what is the distance after adjusting for sag

a 200ft tape is hung in catenary. It is supported at the 80ft mark the tension is 20lbf and the weight of the tape is 3 lbf 5 0z. The measured distance is 187.01 what it the distance after adjusting for sag

  Determine the increase in internal energy of the system

The only work interaction between the system and the surroundings is via the paddle wheel. The work done on the system via the paddle wheel is 220 ft*Ibf and the heat interaction can be assumed negligible.

  Determine what constricted width would be to force the flow

Given that uniform flow is subcritcal and there is a constriction in a rectangular channel, how do you determine what the constricted width would be to force the flow to be critical. Draw this transition on a specific energy curve.

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