Answered: 1. A 4m x 4m x 3m contains air at 27°C.…

1. A 4m x 4m x 3m contains air at 27°C. If the pressure of dry air is 95 kPa, calculate the mass of air if the air fills completely the room.

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

Chapter1: Heat, Temperature, And Pressure

Section: Chapter Questions

Problem 6RQ: One British thermal unit will raise the temperature of _____ 1b of water _____F.

See similar textbooks

Related questions

Q: 5. What is the final volume if a certain gas has 520cm³ at pressure of 750mmHg absolute and 8°C go…

Q: a container contains 1500ft^3/slug of air, find the specific weight of the air.

A: Given question belongs to the subject Fluid Mechanics and can be solved using the basic unit…

Q: A soap bubble 50 mm in diameter contains a pressure (in excess of atmospheric) of 2 bar. Find the…

A: Given data Diameter of soap bubble= 50mm=0.050m Thus radius of bubble, r=0.025. Change in pressure,…

Q: If the specific volume is 0.00055 m³/kg and volume is 0.9 liters. Find the (a) Density (b) Mass, (c)…

A: To Find : The density, mass, weight density and relative density. Given : The specific volume is…

Q: At 150°F dry air has a density of 0.0652 lb/cu ft. At 70°F it has a density of0.075 lb/sq ft. What…

A: Given data: The density of dry air at T1=150 °F is d1=0.0652 lb/cu·ft The density of dry air at…

Q: 1.41 A rigid tank contains air at a pressure of 90 psia and a tem- perature of 60 °F. By how much…

A: Given Initial pressure of rigid tank (P1)= 90 psia Initial Temperature (T1) =60 oF = 519.67 R Final…

Q: The density of muriatic acid is 1200 kg/m. Calculate its specific weight and its specific gravity.

Q: Air at 300K has a density of 1.3 kg/m3 in a tank. Find the pressure

Q: 2. A vertical cylindrical tank is filled to the top with water at a temperature of 20°C. The…

Q: Convert 2.5 bar pressure in equivalent column of mercury and water.

Q: Example 1. Calculate the specific weight, density and specific gravity of one liter of a liquid…

A: Calculated specific weight , density and specific gravity of liquid.

Q: A container has a volume 5 liters It is filled with a liquid with relative density of 0.85.…

Q: Calculate the density, specific weight, mass and weight of a fluid occupying a 5-ft O cylindrical…

Q: Q1:-The gate shown in fig.1 is in cquilbrium.Compute W, negelecting the mass of the gate?

Q: Problem 1. What is the mass of the ball in kg, if it weighs 300 Kgr? Problem 2. A closed drum…

A: Dear student According to the guidelines I am allowed to answer only three…

Q: Problem 2: A 20 cm^3 cylindrical object has a density of 0.876 g/ml. When placed in a container of…

A: Volume of the cylindrical object, Vobject= 20 cm3 Density if the cylindrical object, ρobject= 0.876…

Q: An atmospheric pressure of 116 KPa will be supported by how much height of mercury?

Q: rectangular plane 1.2 m by 1.8 m is submerged in water and makes an angle of 30 with the horizontal.…

A: Given:θ=30°d=1.2 mb=1.8 m

Q: If specific mass of fluid

A: Given, specific mass of the fluid, mV=70 kgm3 We need to find the specific volume. Specific volume…

Q: a column of water 200 cm high will give a pressure equivalent to?

A: Hydrostatics Law: It state that the pressure in a vertically downward direction in a static fluid is…

Q: What is the specific weight of a liquid in kN/m3 with a density of 35 lbm/ft³?

Q: Find the specific volume of air having 90F and 15 psi condition(Answer must be in ft^3/lb).

Q: A 3-kg plastic tank has a volume capacity of 0.2 m 3 and is filled with water. What is the mass of…

Q: A spherical balloon is filled with Helium to a maximum diameter of 3 ft at a gage pressure of 8.78…

Q: What is the height (in ft) of a cylindrical tank (with 300 mm diameter) that was filled with a fluid…

A: Given: The diameter of the cylindrical tank d=300 mm. The mass of the filled fluid is m=10 kg. The…

Q: If the specific gravity of the unknown fluid is 13.53, what is its specific weight in Ibf/ft?

Q: A fluid occupies 1.5 cubic meters. If it has a mass of 2,500 kg, calculate the specific gravity.

A: Answer: The specific gravity of the fluid is 1.67.

Q: A train of mass 1000 tons n

A: FL=1888.4N (right rail )

Q: A hydraulic fluid has a specific weight of 60 lb/ft3. What is its specific gravity SG? What is its…

Q: The weight of a 25 lbm mass at sea level is:

A: Given:m=25 lbmT=-40° F

Q: b) Calculate the i) specific weight, ii) mass density, iii) specific gravity and iv) specific volume…

Q: What is the unit weight of a dry air at standard temperature and pressure? How many meters of water…

A: Specific weight, γ= ρg, where ρ is density of fluid and g is acceleration due to gravity which is…

Q: An empty 7 gal tank weighs 8 lbm. What is the total weight in Newtons of the tank plus the water…

A: Given: Volume of the tank→V=7 gal Because 1 gal volume is equal to 0.004546 m3 Hence: →7…

Q: A closed vessel contains air at a pressure of 140 kPag and a temperature of 20°C. Find the final…

A: Given data Initial pressure (P1) = 140 kPag Initial temperature (T1) = 20oC = 20+273 = 293 K…

Q: 2. The unit weight of water at 50 °F is 62.4 pef. If the volume of the vessel that contains water is…

A: Answer: (a) The change in volume when it is heated to 160°F is 0.080328 ft3. (b) The percentage…

Q: What is the specific volume of air at 15 Psia and 90F degrees in ft3/lb? (neat hand written)

Q: poiler capacity is 100 kW, then the suitable expansion tank volume is:

A: According to Boiler design capacity, Volume of expansion tank = 4 to 7 litres per kW capacity of…

Q: If air is at pressure P of 3200 lb/ft2 and a temperature T of 800R degrees, what is the specific…

A: Given data: P=3200 lb/ft2T=800 °R Need to determine the specific volume.

Q: How to calculate the density of air at 3,000 meters above the sea level?

A: Given data as per the question Height above sea level = 3000 m

Q: Convert 2.543 inHg to lb/ft2 manually. Show the step by step Conversion

Q: Find the mass of air in a closed chamber measuring 35 ft x 20 ft x 10 ft, when the pressure is 17…

A: Note: As per our company guidelines, we are allowed to answer one question at a time. 2. Pressure:…

Q: If the added mass on the lid was 50 kg, a total mass of 60kg would exert pressure on the gas inside…

A: Given Data mlead=50 kg

Q: 5. A laboratory room keeps a vacuum with absolute pressure of 0.2 kPa. What net force does that put…

Q: At 27 °C the reading on a manometer filled * with mercury is 90.6 cm. To what pressure does this…

A: The density of mercury at 27 degrees celsius is nearly 13.5*1000 kg/m3.

Q: A fluid mass occupies 2m^3 Calculate the density, specific weight, and specific gravity if the…

Q: 101.3 kpa expands constant temperature from 0.l m' to 10 ft', what is the final pressure in bar

A: GIVEN: 101.3 kpa expands constant temperature from 0.l m' to 10 ft', what is the final pressure in…

Q: The density of alcohol is 957 Kg/m^3. Calculate its specific gravity.

Question

1. A 4m x 4m x 3m contains air at 27°C. If the pressure of dry air is 95 kPa, calculate
the mass of air if the air fills completely the room.

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

SEE SOLUTION Check out a sample Q&A here

Similar questions

One British thermal unit will raise the temperature of _____ 1b of water _____F.
Four pounds of a gas occupy 10 ft3. What would be itsdensity and specific gravity?
1. Nitrogen at 200 psig is used to fill tank of 120 in³. The filling process is very slow and the contents of the tank attain 73°F. Find the mass of nitrogen, in Ib, inside the tank.
5. If 10 m3 of atmospheric air at zero degrees centigrade temperature are compressed to a volume of 1 m3 at 100oC, what will be the pressure of air in kPa? (3 DECIMALS IN FINAL ANSWER PLS)
Question 2 Saturated water vapor is at a temperature of 220 °C. What will be its specific volume in m³/kg?
2. If 100 ft³ of atmospheric air at zero Fahrenheit tempera- ture are compressed to a volume of 1 ft at a temperature of 200°F, what will be the pressure of the air in psi?
A certain closed tank has 90 pounds of air at a pressure of 180 psia and a temperature of 150 deg. F. The air is then cooled to 90 deg. F. Calculate the specific volume.
5. What is the volume change of 2 m³ of water at 20 °C due to an applied pressure of 10 MPa?
1. Two liquids of different densities (p, = 1,500 2= 500) are poured together m3 into a 100 liters tank filling it. If the resulting density of the mixture is 800 find the respective mass (kg) of the liquids used.
If 10 ft of atmospheric air at 300 F temperature are compressed until the volume decreases to 1 ft and the temperature decreases by 200 F, what will be the resulting pressure of the air in psig?
1. What is the mass of the air inside the classroom, which is 15m * 8m * 1.5m? The classroom conditions are 25℃. Find the mass of air inside (kg) at a pressure of 1 bar Compare the weight of the air in the classroom with the weight of a person.
1.Find the volume of the fluid in cm3 with a mass of 0.31 kgm and density of 30 lbm/ft3.