The volume and temperature of air (assumed to be an ideal gas) in a closed vessel is 2.87 m3 and 300 K, respectively. The gauge pressure indicated by a manometer fitted to the wall of the vessel is 0.5 bar. If the gas constant of air is R= 287 J/kgK and the atmospheric pressure is 1 bar, the

The volume and temperature of air (assumed to be an ideal gas) in a closed vessel is 2.87 m3 and 300 K, respectively. The gauge pressure indicated by a manometer fitted to the wall of the vessel is 0.5 bar. If the gas constant of air is R= 287 J/kgK and the atmospheric pressure is 1 bar, the

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

Chapter2: Matter And Energy

Section: Chapter Questions

Problem 17RQ: At a constant pressure, how does a volume of gas vary with respect to the absolute temperature?

See similar textbooks

Related questions

Q: Liquid is held in two compartments separated by a membrane as shown in the figure. The tota volume…

A: Given:Total volume, V=22 m3Vy=8 m3vy=0.594 m3/Kgv=0.797 m3/Kg

Q: Answer the following

A: Given data: The specific gravity of oil, (SG)oil = 0.85. Density of water, ρw = 1000 kg/m3. The…

Q: A mercury manometer indicates a vacuum of 62 cm of mercury 20 ℃ in a condenser. Determine the…

A: Since you have asked multiple questions in a single request, we would be answering only the first…

Q: How does a pressure measurement of 14.7 psig differ from a pressure measurement of 14.7 psia

A: It is required to differentiate between 14.7 psig and 14.7 psia

Q: Forty five kg of water is placed in an enclosed volume of 5 m3 and heat is added until the…

A: Givenm=45kgV=5m3Final temperature T=190oC

Q: 1.16 cubic meter of a perfect gas at 1.7 bar and 16.3°C is compressed to a volume of 0.84 m³ and a…

A: Given Data: Initial pressure, P1=1.7 bar Initial temperature. T1=16.3 C

Q: Energy transferred as heat occurs between two bodies in thermal contact when they differ in which of…

A: We know that, heat is just a form of energy which is always in transit. It gets transferred from…

Q: A simple manometer is used to measure pressure of oil (s= 0.8) flowing in a pipe line. Its right…

Q: A water pipe is connected to a double-U manometer as shown in Fig. P1–109E at a location where the…

A: Solution: Given data: The specific gravity of oil is SGoil =0.8. Specific gravity of mercury is…

Q: The fluid 1 in a tank is pressurized by air, and the pressure is measured by a multifluid manometer…

Q: image468

A: Given, SGoil=0.85h=6 mρw=1000 kg/m3

Q: A thermometer is placed in a controlled environment of 25.5C when its initial temperature is 80.25C.…

A: Newtons law of cooling is integrated to arrive the solution.

Q: 1 atm = 2116 lb/ft2 = 1.01 × 105 N/m2. Consider air at a pressure of 0.2 atm. Calculate the values…

A: Given data Air pressure p = 0.2atm To determine the compressibility of the air for isothermal…

Q: Both a gage and manometer are connected to a gas tank to measure its pressure. If the reading on the…

Q: Both a gage and a manometer are attached to a gas tank to measure its pressure. If the reading on…

A: GivenPg=80kPa=80000Paρhg=13600 kg/m3ρ=1000 kg/m3

Q: In the refrigeration experiment you obtained the following values while using the fixed orifice…

A: As per given question we have determine What is the value of the compressor work per unit mass in…

Q: A vertical composite fluid column whose upper end is open to the atmosphere is composed of 20…

Q: The pressure gage on a 2.5-m3 oxygen tank reads 500 kPa. Determine the amount of oxygen in the tank…

A: Given, Pg=500 kPa T=28oC V=2.5 m3 patm=97 kPa R=0.2598 kJ/kg.K

Q: The gauge pressure in a pipe is measured by a manometer containing mercury (density 0f 13,600…

Q: A gasoline line is connected to a pressure gage through a double U manometer, as shown in Figure 3…

Q: When an ideal gas undergoes isothermal expansion as a closed system, its specific internal energy:…

A: For an ideal gas, in an isothermal process, ΔU=Q−W =0, so Q=W. In the Isothermal process, the…

Q: Include a free body diagram A simple manometer is used to measure pressure of oil (s= 0.8) flowing…

Q: An unknown composition of gas has undergone a compression process in a piston-cylinder assembly. The…

Q: Figure 7 below shows the gauge pressure of air in a tank to be 80 kPa. 80 kPa Air Oil SG = 0.72 75cm…

A: Ans. A Given Data Pressure in device, P=80KPa Specific gravity of oil, SG=0.72 Density of the oil,…

Q: While the pressure remains constant at 700 kPaa, the volume of a system of air changes from 0.3 m²…

A: Given- P=700Kpa V1=.3m2,V2=.58m2 Determine a) AU (kJ), b) AH (kJ), c) Q (kJ). d) As…

Q: Air is enclosed by a rigid cylinder containing a piston. A pressure gage attached to the cylinder…

Q: The pressure gage on a 2.5-m³ oxygen tank reads 500 kPa. Determine the amount of oxygen in the tank…

A: Given Volume of Tank (V) = 2.5 m3 gauge pressure (Pg) = 500 kPa atmospheric pressure (Pa) = 97 kPa…

Q: The pressure Gauge on a 2.5 m³ Oxygen tank reads 512 KPa and the atmospheric pressure is 96 KPa.…

Q: 1 cubic meter of a perfect gas at constant pressure of 1 bar and temperature of 17°C are compressed…

Q: Ammonia (NH₃) weighing 22 kg is confined inside a cylinder equipped with a piston has an initial…

Q: etermine the atmospheric pressure in kPa at a location where the barometric pressure is 740 mm Hg…

Q: In a piston-cylinder setup, 2 kg of water undergoes a constant temperature expansion at Temperature…

Q: For an ideal gas, the decrease in internal energy of 1.4 kgm is -343 kJ when the volume increases…

Q: A refrigerant underwent isometric expansion from 5 megapascals to 1 atmosphere. Determine the drop…

Q: Differentiate zeroth, first, and second law of thermodynamics

A: zeroth law of thermodynamics: according to this law, it states that; if body A is in thermal…

Q: Prove from first principles that for a polytropic atmosphere, the relation between the pressure at…

Q: Q1/ The gauge pressure of the air in the tank shown in (Fig.1) are measured to be 80 kPa. Determine…

A: The differential height of the mercury column: h = 0.582 m

Q: A vacuum gage connected to a chamber reads 35 kPa at a location where the atmospheric pressure is 92…

Q: A rigid, hermetically sealed container contains two fluids: water (103 kg / m3 ) and air. A pressure…

Q: A polytropic process is carried out from an initial pressure of 110 kPa and volume of 5 m3 to a…

Q: Define the terms: (i) Kinematic viscosity (ii) Surface tension (iii) Specific gravity (iv) Vapour…

A: Fluid - A fluid is a substance that tends to deform even if a slight amount of shear force is…

Q: Air is contained in a piston cylinder device, it expands first isothermally (1=>2) then isobaric…

Q: Helium gas initially has a volume of 50 liters, a pressure of 2 x 10⁵ N/m², and a temperature of 300…

Q: 2.25 A compressor pumps air into a tank until a pressure gage reads 120 psi. The temperature of the…

Q: The value of the temperature expressed using the Celsius temperature scale is always higher than its…

A: The temperature at 0°C is expressed as 273 K in kelvin scale I.e when ever the temperature given in…

Q: A 3-kg object with a density of 7500 kg/m3 is placed in water. The weight of this object in water is…

A: The mass of the body is given as m = 3 kg

Q: The fluid is heated from 125 degrees Fahrenheit to 225 degrees Fahrenheit. Consider an ideal gas…

Q: Q1: If a calorimeter is not assumed to be adiabatic, how would one calculate the heat transfer?

A: 1. If the calorimeter is not assumed adiabatic then the heat released will be used for the chemical…

Q: P1.6 A U-tube manometer A is attached to two vertical tubes B and C as shown in Fig. P1.6. The…

A: Specific gravity of B, SB=0.75Density of B, ρB=750kg/m3Specific gravity of C, SC=0.85Density of C,…

Q: The volume and tempe

A: Given:Presssure of gas, P=0.5 bar or 50 kPaR=0.287 kJ/kg.K

Concept explainers

Thermodynamic Relations

Thermodynamics is the division of physics that deals with the transfer of any kind of energy, whether it be heat, temperature, or work, from one object to another.

Question

The volume and temperature of air (assumed to
be an ideal gas) in a closed vessel is 2.87 m3 and
300 K, respectively. The gauge pressure indicated
by a manometer fitted to the wall of the vessel is
0.5 bar. If the gas constant of air is R= 287 J/kgK
and the atmospheric pressure is 1 bar, the
mass of air (in kg) in the vessel is

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

The volume and temperature of air (assumed to be an ideal gas) in a closed vessel is 2.87 m³ and 300 K, respectively. The gauge pressure indicated by a manometer fitted to the wall of the vessel is 0.5 bar If the gas constant of air is R=287 J/kgk and the atmospheric pressure is 1 bar the mass of air (in kg) in the vessel is....
The water in a tank is pressurized by air, and the pressure is measured by a multifluid manometer. Determine the gage pressure of air in the tank if h1 = 0.4 m, h2 = 0.6 m, and h3 = 0.8 m. Take the densities of water, oil, and mercury to be 1000 kg/m3, 850 kg/m3, and 13,600 kg/m3, respectively.
Measuring the drop in pressure with a manometer as a function of temperature within a sealed container filled with an ideal gas provides a technique to show that the magnitude of "zero absolute temperature" or OK corresponds to -273 °C. If this experiment is conducted, starting at 1 atm and 67 °C, instead of in boiling water, what will the pressure be, in mmHg, when cooled to 0°C?
The water in a tank is pressurized by air, and the pressure is measured by a multifluid manometer. The tank is located on a mountain at an altitude of 1400 m where the atmospheric pressure is 85.6 kPa. Determine the air pressure in the tank if h1 = 0.1 m, h2 = 0.2 m, and h3 = 0.35 m. Take the densities of water, oil, and mercury to be 1000 kg/m3 , 850 kg/m3 , and 13,600 kg/m3 , respectively
Considering air as an ideal gas,a process can be engineered by which a certain quantityof air change from thermodynamic state a to final state b, as shown in the pressure versus volume diagram. According to the information provided by the diagram and knowing thatVa = 0.070 m3,Vb = 0.110 m3P_a = 1.0 × 10^5 Pa andP_b = 1,4 × 10^5 Pa. Answer:(a) The air temperature according to the process will decrease, increase orwill it stay the same?(b) How much work will be done by air during the process?
The fluid is heated from 125 degrees Fahrenheit to 225 degrees Fahrenheit. Consider an ideal gas with the following characteristics: R = 85 ft-lbf/lbm-R Cp = 0.35 + 0.000325T BTU/lbm-R If the heating is at constant pressure, (e) the value of k at 160 degrees Celsius. If the fluid undergoes an isentropic process, determine (f) non-flow work and (g) steady-flow work. (For item f and g, use the value of k at 160 degrees Celsius).
In geothermal power plants, the temperature and pressure of the liquid coming out of the separator is around 160oC and 8 bar. Determine the appropriate pressure gauge for these conditions in order to produce accurate and reliable measurements.
A closed container contains 1.5m high of water, 2.5m high of oil (SG= 0.8), an unknown liquid (SG= 1.25) whose height is 1.6m, and the pressure at the top of the mixture is 17 KPa. Determine the pressure head at the bottom of the container in millimeters of mercury (SG= 13.6)
The water in a tank is pressurized by air, and the pressure is measured by a multifluid manometer as shown. Determine the gage pressure of air in the tank if h1 = 0.4 m, h2 = 0.6 m, and h3 = 0.8 m. Take the densities of water, oil, and mercury to be 1000, 850 , and 13,600 kg/m^3, respectively.
How does a pressure measurement of 14.7 psig differ from a pressure measurement of 14.7 psia?
What is the resulting gage pressure when one pound of air at a gage pressure of 15 torr and 95°C is heated at constant volume to 800°F?
An air bubble rises from the bottom of a well where the temperature is 25oC, to the surfacewhere the temperature is 27oC. If the depth of the well is 5m and the atmospheric pressure is101.325kPa, determine the following:a. Initial pressure inside the air bubble (P1). b. Volume of air bubble at state 1. c. Volume of air bubble at state 2. d. Percent increase in volume of the bubble.