Calculate heat transfer in process with frictionless piston

Assignment Help Civil Engineering
Reference no: EM13309228

A cylinder fitted with a frictionless piston contains 2 kg of superheated refrigerant R-134a vapor at 350 kPa, 100oC. The cylinder is now cooled so that the R-134a remains at constant pressure un- til it reaches a quality of 75%. Calculate the heat transfer in the process.

Reference no: EM13309228

Questions Cloud

Calculate the electric field strength inside the capacitor : Each plate of a parallel-plate capacitor is a square of side 3.17 cm and the plates are separated by 0.551 mm. Find the electric field strength inside the capacitor
Find the required minimum area for the heat transfer : Assume that the wall separating the steam and seawater is 4 mm of steel, with con- ductivity of 15 W/m K, and that a maximum 5oC difference between the two fluids is allowed in the design.
Explain what is the exact formula of the hydrate : When CuCl2 is heated to 100C, the compound is dehydrated. If 0.235g of CuCl2 * x H20 yields 0.185 g CuCl2 on heating, what is the exact formula of the hydrate
A market-product grid is a framework : A market-product grid is a framework to relate the __________ to products offered or potential marketing actions by an organization.
Calculate heat transfer in process with frictionless piston : A cylinder fitted with a frictionless piston contains 2 kg of superheated refrigerant R-134a vapor at 350 kPa, 100oC. The cylinder is now cooled so that the R-134a remains at constant pressure un- til it reaches a quality of 75%.
Find mass of the isotope will be left : An isotope of the element Thallium, Tl-206, undergoes beta decay with a half life of 3.1 minutes. what mass of the isotope will be left after 9.3 minutes have elapsed
Summarize the key issues and stakeholders in the case : Analyze the external environments (e.g. customer, competitor, economic, etc.) in which Walmart operates. How well has Wal-mart monitored these eight different environments? Be sure to give examples of how it has succeeded, or not.
Find the amount of heath required to raise the temperature : the specific heat of aluminum is .215 calories per gram per degree celcius. calculate the amount of heath required to raise the temperature
What is limiting reactant and how many grams of ag2s : In Ag+S8->Ag2S reaction, 2g of Ag and 2g of S8 are alowed to reac to completion what is limiting reactant, how many grams of Ag2S are produced, and how many grams of excess reagent remain

Reviews

Write a Review

 

Civil Engineering Questions & Answers

  Find e for tendon to be concordant

Find e1, e2, e3 for tendon to be concordant - find deflection at those location

  Determine the moment about each of the coordinate axes

knowing the tension in cable AC is 1065 N, determine the moment about each of the coordinate axes of the force exerted on the plate at C

  What are the pressure and enthalpy values for the point

Setam with a quality of 95% is present at 200 degrees F. What are the pressure and enthalpy values for this point

  Calculate the bearing stress on the shaft key

A rotating shaft with an applied torque of 400 Newton-meters is held in place (stopped) by a shaft key. The diameter of the shaft is 15 centimeters. The shaft key has a length of 20 cm, and is square, with its width and height being 5 cm.

  Determine peak discharge if unit hydrograph is triangular

A hydrograph has a uniform rainfall intensity of 1.5 in/hr in the first hour, 2.0 in/hr in the second, and 0.75 in/hr in the third hour. Direct runoff (in inches) using the SCS method is 1.2in.

  Determine the strain components strainx and strainy

Determine the strain components strainx, Strainy, and gammaxy, then sketch the deformed shape in the xy orientation, paying particular attention to the sign of the shear deformation.

  Determine what percent of the hocl is dissociated

A solution of HOCl is prepared in water by adding 15 mg HOCl to a volumetric flask, and adding water to the 1.0 L mark. The final pH is measured to be 7.0. What are the concentrations of HOCl and OCl

  Determine the major and minor principal stresses at failure

Determine the major and minor principal stresses at failure and the effective stress friction angle (assume c' = 0). Plot the Mohr diagram.

  Electron and hole motions in a p-n junction

Briefly describe electron and hole motions in a p-n junction for forward and reverse biases; then explain how these lead to rectification.

  Determine what is the weight of the rock on the moon

A person on the moon wishes to determine the mass of a rock. He has a spring scale calibrated to read pounds mass at a location where the acceleration of gravity is 32.186 ft/s 2 . The rock gives a reading of 18.76 on this scale.

  Calculate carbonate-noncarbonate and total hardness

Calculate carbonate, noncarbonate, and total hardness Na+ = 27.8 mg/L Cl- = 35.6 mg/L Ca+2 = 48mg/L CO3-2 = 30 mg/L Mg+2 = 12mg/L HCO3- = 61 mg/L K+ = 12 mg/L SO4-2 = 48 mg/L

  Determine the speed with which b must walk toward a

Swimmer A immediately starts walking toward B at a speed of 2ft/s relative to the raft. Knowing that the raft weighs 300 lb, determine (a) the speed of the raft if B does not move, (b) the speed with which B must walk toward A

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