Determine the work produce

Assignment Help Mechanical Engineering
Reference no: EM13217596

Refrigerant 134a at 700 kPa and 40oC is expanded adiabatically in a closed system to 60 kPa. Determine the work produced, in kJ/kg, and final enthalpy for an isentropic expansion efficiency of 80.

Reference no: EM13217596

Questions Cloud

Determine the overall efficiency of the pump-motor unit : water is pump from a lake to a storage tank at 18m above at a rate of 70 L/s while consuming 20.4 kW of electric power. disregarding any frictional losses in the pipes and any change s in kinetic energy, determine (a) the overall efficiency of the..
Iteration control structure : Design a program that models the worm s behavior in the following scenario: A worm is moving toward an apple. Each time it moves, the worm cuts the distance between itself and the apple by its own body length until the worm is close enough to enter t..
Iteration control structure : Design a program that models the worm s behavior in the following scenario: A worm is moving toward an apple. Each time it moves, the worm cuts the distance between itself and the apple by its own body length until the worm is close enough to enter t..
Define statistical calculations use employee salary data set : All statistical calculations will use Employee Salary Data Set. Using the Excel Analysis ToolPak or the StatPlus:mac LE software function descriptive statistics, generate and show the descriptive statistics for each appropriate variable in the samp..
Determine the work produce : Refrigerant 134a at 700 kPa and 40oC is expanded adiabatically in a closed system to 60 kPa. Determine the work produced, in kJ/kg, and final enthalpy for an isentropic expansion efficiency of 80.
From the scenario, prioritize the attributes of golds reling : From the scenario, prioritize the attributes of Golds Reling's brand from the brand map presented in the scenario according to the attributes that you believe would be most important to the new tablet's target market. Provide support for your respons..
Determine the mass flow rate of steam : Steam enters a diffuser at and with a velocity of and exits as saturated vapor at 240 F and 100 ft/s. The exit area of the diffuser is 1 ft2. Determine the mass flow rate of steam and the rate of entropy generation.
Determine the mass flow rate of steam : Steam enters a diffuser at 20 psia and 240oF with a velocity of 900 ft/s and exits as saturated vapor at 240oF and 100 ft/s. The exit area of the diffuser is 1 ft2. Determine (a) the mass flow rate of steam and (b) the rate of entropy generation.
Modern culture is fatalistic : What are some of the ways in which modern culture is "fatalistic" (in the ancient Greek sense of the word?)

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Determine the natural frequencies of the system

Determine the natural frequencies of the system. For the baseline system I get natural frequencies at the following engine speeds: 435, 2026, 2818, 5225, 7093, 10245, and 12153 rpm.

  Determine the maximum axial compressive force

A short 60-mm-diameter circular bar is made of a material for which the maximum safe compressive stress is 80 MPa and the maximum safe shearing stress is 30 MPa. Determine the maximum axial compressive force that can be safely applied.

  Determine the analytical solution for the maximum stress

Determine the analytical solution for the maximum stress of the beam shown; compare with stress results from SolidWorks.

  Explain discharges to a nozzle for additional thrust

In the an ideal turbo jet, the engine is designed such that the turbine work is divided equally between the compressor and the propeller. The gas from the turbine discharges to a nozzle for additional thrust.

  Determine the required length l

Determine the required length L of each splice if a factor of safety is 2.75.

  Determine the maximum speed

Determine the maximum speed at which the car with mass can pass over the top point A of the vertical curved road and still maintain contact with the road.

  Determine the rate of heat loss from the steam pipe

Taking the temperature of the surrounding surfaces to be 20°C also, determine the rate of heat loss from the steam pipe.

  Determine the maximum allowable force p

a uniform rectangular cabinet having dimensions shown and mass m=50kg is placed onto a cart of mass 10 kg as shown. no slipping between cabinet and cart. determine the maximum allowable force P so that the cabinet does not tip.

  Vital information about pressure cooker

Important information about Pressure Cooker, Steam is leaving a pressure cooker whose operating pressure is 30 psi. It is observed that the amount of liquid in the cooker has decreased by 0.4 gal in 45 minutes after the steady operating conditions..

  How high on the wall will the ladder reach

a 14-ft long ladder leans against a wall with the bottom of the ladder placed 4ft from the base of the wall. how high on the wall will the ladder reach.

  Determine the power generated by the motor m

Determine the power generated by the motor M at this instant if it operates with an efficiency of epsilon = 0.8.

  Show that the total true strain is the sum of the true

Show that the total true strain is the sum of the true strains in each step, that is the true strains are additive. Show that using engineering strains, the strain for each step cannot be added to obtain the total strain.

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