Answered: QUESTION 20 Determine the type of…

QUESTION 20 Determine the type of steam, given: Temperature- 220C Pressure = 2.21 MPa O Superheated Vapor O Mixed steam Subcooled Liquid O Saturated Vapor

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter21: Evaporators And The Refrigeration System

Section: Chapter Questions

Problem 3RQ: The sensible heat that is added to a saturated vapor after all of the liquid has boiled away is...

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Basic Thermodynamic Processes

The word 'thermodynamics' can be divided into two words, 'thermo' and 'dynamics'. The word thermo deals with the heat and thermal phenomenon, whereas dynamics deals with forces or external agent that drives the heat flow or aids in the motion of heat.

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QUESTION 13 Determine the type of steam. given: Temperature: 275°C Internal Energy: 800 k/kg Wet vapor Subcooled liquid O Superheated vapor O Saturated Liquid
QUESTION 12 Determine the type of steam, given: Pressure: 60kPa Interal Energy: 360 kl/kg Saturated Liquid O Saturated Vapor O Superheated Vapor O Wet Vapor
QUESTION 11 Determine the type of steam, given: Temperature: 185°C Pressure: 1.32 MPa O Superheated Vapor Saturated Liquid Wet Vapor O Subcooled liquid
QUESTION 15 Determine the type of steam, given: Temperature: 95°c Pressure: 100 kPa O superheated Vapor Saturated Liquid Saturated Vapor O Subcooled Liquid
QUESTION 18 Determine the type of steam, given: Pressure: 6.4 MPa Enthalpy: 3.2 kl/kg.K O Wet vapor O Saturated Vapor O Superheated Vapor
QUESTION 16 Determine the type of steam, given: Pressure = 10 MPa: Temp = 300°C O Saturated Liquid O Saturated Vapor Superheated Vapor O Subcooled
b) The high pressure units on a steam plant operate at 10bar (gauge), and the condensate is sub-cooled by 9.5K. If the mass flow rate of condensate is 10 kg/s, use the provided steam tables to determine how much saturated steam at 1.5 bar this condensate could produce. Note it is sufficiently accurate for high pressure condensate, as in this question, to assume that the specific enthalpy is the same as for the saturated liquid at the same temperature.
O Falge QUESTION 2 The refrigerant undergoes a change of phase during the heat-transfer process, the pressure of the retrigerant is the saturation pressure during the low supply and low rejection processes. True False QUESTION 3 Frequently, the vapor of the liquid leaving the condenser is lower than the saturation temperature. O True False QUESTION & The pressure of the iquid leaveng the condenser we be less than the pressure of the vapor entarng, wd etempernd the retigerant in the condenser. O Te QUESTION S Are many situations in which it is desirable to combine three cycles in series, either power systems or refigertion sytems, to take advantage of a very wide temperature range or to utilize what would otherwise be waste heat to improve etficiency O true O False QUESTION 6 A cycle can't be made very efficient, since the temperature differences between the two fluid streams can be controlled through careful design of the combined system. True
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26. NA 25-g ice cube at 0.0°C is heated. After it first melts, the lemperature increases to the boiling point of water (100.0°C). and the water then boils to form 25 g of water vapor at 100.0 C. How much energy in total is added to the ice/water? Which Process (melting, increasing temperature, or boiling) requires e most energy? Water has a latent heat of vaporization of specific heat of 4190 J/(kg · K). fon ice cube of mass
Define a near-azeotropic refrigerant blend, and give twoexamples.
How to know if the given is Saturated, Subcooled, Superheated and wet-mixture?