Maximum pressure that can be used in the evaporator

Assignment Help Mechanical Engineering
Reference no: EM13720234

A refrigerator in a kitchen at 20 degrees Celsius uses R-134a. The freezer is to be kept at -5 degrees Celsius or cooler. What is the maximum pressure that can be used in the evaporator? Why?

Reference no: EM13720234

Questions Cloud

Description of five performance appraisal instruments : Chapter Three of the textbook gives a basic description of five performance appraisal instruments. Choose one of the instruments, and write a two paper (excluding the title and reference pages), describing the instrument. Include the following in ..
Experiment-diffraction grating : Experiment-Diffraction Grating, Convert λ, wavelength, of laser from nm to m. Remember 1 nm = 1 x 10 -9 m. Average all Δx values to get one Δxavg
Actual thermal efficiency to the maximum possible efficiency : Geothermal ground water is at a high pressure and temperature (140 digress C). Water is extracted at a rate of 240 kg/s. The water is fed to a plant that produces 7500 kW of net power, at leaves at a temperature of 110 degrees C. The average ambient ..
Methods and purpose of maintaining records : Discuss the methods and purpose of maintaining records at a halfway house as if you were discussing it with your supervisor. How do these methods ensure ethical standards and protect client confidentiality?
Maximum pressure that can be used in the evaporator : A refrigerator in a kitchen at 20 degrees Celsius uses R-134a. The freezer is to be kept at -5 degrees Celsius or cooler. What is the maximum pressure that can be used in the evaporator? Why?
Gaseous mixture at this temperature and pressure : A flow of 90% CH4, 10% H2 is passed into a furnace at 900 K. Determine whether carbon forms if the total pressure is 1.2 atm, carefully justifying your answer. Calculate the composition ( expressed as a molar percentage) of the gaseous mixture at thi..
Simple friction drive consists of two disks : A simple friction drive consists of two disks A and B, respectively with diameters 6 cm and 10 cm. Initially, disk A has a clockwise angular velocity of 500 rpm and disk B is at rest. It is known that disk
Steam enters a two-stage adiabatic turbine : Steam enters a two-stage adiabatic turbine at 8 MPa and 550ºC (State 1) and is expanded to 2 MPa (State 2) in the first stage of expansion. This steam is reheated at constant pressure to 550ºC (State 3) before entering the second stage of expansion. ..
Define the logistics process identified for project : The second component of your course project is an update of your progress on the LIP project. Remember that you are expected to develop your project independently throughout the course, using the project description as a guide. At this time, you s..

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  You are watching an object that is moving in shm how much

you are watching an object that is moving in shm. when the object is displaced 0.600m to the right of its equilibrium

  A ten-station rotary indexing machine performs nine

a ten-station rotary indexing machine performs nine machining operations at nine workstations and the tenth station is

  What is the nozzle-exit-to-throat area ratio

What is the nozzle-exit-to-throat area ratio for case (a)? The gross thrust is the contribution to engine thrust made by the exhaust nozzle only.

  What is the velocity of this flow

Consider a flow with a pressure and temperature of 2332 lb/ft2 and 498 deg. R, respectively. A Pitot tube is inserted into this flow and measures a pressure of 8065.2 lb/ft2. What is the velocity of this flow? Is the flow supersonic? Use appen..

  A 40 a current is set up in a circuit for 70 min by a

a 4.0 a current is set up in a circuit for 7.0 min by a rechargeable battery with a 3.0 v emf. by how much is the

  The cop of the refrigerator is 240 and the power input is

a small household refrigerator is used to cool 20 liters of water initially at 22 degrees c. the cop of the

  How do you calculate the strain of a solid cantilever

how do you calculate the strain of a solid cantilever bending beam fixed at one end if given curvature of 0.0243 m and

  An air conditioner uses r134 the condenser pressure is 1400

an air conditioner uses r134 the condenser pressure is 1400 kpa and the evaporator pressure is 201 kpa. find the cycle

  Required for the compression and the final pressure of gas

A gas is contained in a piston of 5 m^3 at 100 KPa. Then the gas is compressed till its volume is reduced to 2.5 m^3. If there was no exchange of heat from the system during the compression process, calculate the work required for the compression and..

  Calculate the power developed by the turbine

An ideal Rankine cycle uses water as its working fluid. The mass flow rate of water through the cycle is 150 kg/s. saturated vapour enters the turbine at 15 MPa and saturated liquid enters the pump at 10 kPa. Cooling water passes through the condense..

  A 3 cm thick stainless steel thermal diffusivity 00000044

a 3 cm thick stainless steel thermal diffusivity 0.0000044 k16.3 initially at 500degc is suddenly exposed to convective

  The block b is suspended from a cable that is attached to

the block b is suspended from a cable that is attached to the block at e wraps around three pulleys and is tied to the

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