PLEASE ANSWER THEM ALL ASAP FOR AN UPVOTE. THANK YOU. A tank contains 15 kg of R134a,initially at 2.75°C with a quality of0.2. The pressure is held constant bynitrogen gas acting against a flexiblebladder as shown. The valve isopened between the tank and asupply line carrying R134a at 950kPa, 125°C. The pressure regulatorallows the pressure in the tank toremain constant as the bladderexpands. The valve between the lineand the tank is closed at the instantwhen the quality is 0.92. If theentropy generation amounts to1.525 kJ/K, determine the (a) massof R134a admitted in the tank, in kgand the (b) heat transferred in kJ. Isheat absorbed or released during theprocess? Show your mass, energyand entropy balance equations atthe start of your solution.Pressure-regulatingvalveNitrogen supply-Flexible bladderRefrigerant 134aTankLine Answers:Mass Balance Equation:Energy Balance Equation:Entropy Balance Equation:Initial State:State at the Inlet:Final State:mass admitted =kgQ =kJ (heat is

Given Data The mass of the R134a is:m1=15 kg The initial temperature is:T1=2.75°C The quality…

Answered: initially at 2.75°C with a qualit 0.2.…

initially at 2.75°C with a qualit 0.2. The pressure is held cons nitrogen gas acting against a bladder as shown. The valve i opened between the tank and supply line carrying R134a at

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Forms of Energy

Energy is described as the capability to accomplish a task, like the ability to push a block by applying force on it. It is a quantitative property that is used to accomplish work on an object.

Question

PLEASE ANSWER THEM ALL ASAP FOR AN UPVOTE. THANK YOU.

A tank contains 15 kg of R134a,
initially at 2.75°C with a quality of
0.2. The pressure is held constant by
nitrogen gas acting against a flexible
bladder as shown. The valve is
opened between the tank and a
supply line carrying R134a at 950
kPa, 125°C. The pressure regulator
allows the pressure in the tank to
remain constant as the bladder
expands. The valve between the line
and the tank is closed at the instant
when the quality is 0.92. If the
entropy generation amounts to
1.525 kJ/K, determine the (a) mass
of R134a admitted in the tank, in kg
and the (b) heat transferred in kJ. Is
heat absorbed or released during the
process? Show your mass, energy
and entropy balance equations at
the start of your solution.
Pressure-regulating
valve
Nitrogen supply
-Flexible bladder
Refrigerant 134a
Tank
Line

Answers:
Mass Balance Equation:
Energy Balance Equation:
Entropy Balance Equation:
Initial State:
State at the Inlet:
Final State:
mass admitted =
kg
Q =
kJ (heat is

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