Calculate the density of air inside a house

Assignment Help Mechanical Engineering
Reference no: EM131256150

Calculate the density of air inside a house and outside a house using 20°C inside and -25°C outside. Use an atmospheric pressure of 85 kPa. Do you think there would be a movement of air from the inside to the outside (infiltration), even without a wind? Explain.

Reference no: EM131256150

Questions Cloud

Find the temperature of the water : Water is forced through a contraction causing low pressure. The water is observed to "boil" at a pressure of -11.5 psi. If atmospheric pressure is 14.5 psi, what is the temperature of the water?
Web research assignment visit the following websites : Choose the one that you think is the best, based on information included and clarity of ideas. Write a paragraph describing it (this is called an annotation). Cite the reasons that the site seems credible (is the information accurate, has it been ..
What is the maximum possible spacing of the pumps : Oil is transported through a pipeline by a series of pumps that can produce a pressure of 10 MPa in the oil leaving each pump. The losses in the pipeline cause a pressure drop of 600 kPa each kilometer. What is the maximum possible spacing of the ..
Draw a graph illustrating the crossover point : Draw a graph illustrating the crossover (or indifference) point. -  Determine the number of units where either choice has the same cost.
Calculate the density of air inside a house : Calculate the density of air inside a house and outside a house using 20°C inside and -25°C outside. Use an atmospheric pressure of 85 kPa. Do you think there would be a movement of air from the inside to the outside (infiltration), even without a..
Prepare trial balance : Prepare a trial balance for the following. Analyze the account and their balances and prepare a list that describes each of the seven most likely tranactions and their answers. Prepare a report of cash received and cash paid showing how the seven tra..
Which of the following assets is the most liquid : Which of the following best explains a potential disadvantage of leaving securities in street name? Which of the following assets is the most liquid
What are the total assets of the company : A company reported total equity of $145,000 on its Dec 31, 2006, balence sheet. The following information is available for the year ended Dec 31 2007; What are the total assets of the company at Dec 31, 2007?
Which is the preferred process for tim and why : Tim's annual fixed cost for space, equipment, and supplies is $61,000. Which is the preferred process for Tim, and why?

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Steam contained within a piston-cylinder assembly undergoes

1 given nitrogen n2 gas within a piston-cylinder assembly undergoes a compression from p1 0.2 mpa v1 2.75 m3 to a

  How is the temperature changing

First stage is heating up the material. We will have cylindrical billet that is setting in a die and we heat it up. Heat coming in from anywhere else. How is the temperature changing? What are the energy going in and out and how they influence the..

  Principal stresses and maximum shear stress

A pressure cylinder (ends closed) having an internal radius of 6 inches and thickness 1 inch is subjected to an internal pressure of 5 ksi, a twisting torque of 50,000 in-lb, and a bending moment of 50,000 in-lb. Determine the principal stresses and ..

  Amplitude of the excitation provided to the machine

A 45 kg machine is mounted on a spring of stiffness 8x10^5 N/m. When the machine is set to vibration by a 32 Hz excitation, the machine's amplitude is measured as 1.5mm. What is the amplitude of the excitation provided to the machine? Ignore damping ..

  Estimate the average reaction rate and the reaction zone

the laminar flame speed of a premixed stoichiometric mixture of propane?air at 1 atm and 298 k is 0.4 ms. estimate the

  Determine the kinetic energy of the pendulum

Using a free-body diagram and the Newton method, determine the equations of motion of the double pendulum shown

  Calculate the time the boy must wait until the surface

a boy places his glass marbles in an oven at 200degreec. the diameter of the marbles is 15 mm. after a while he takes

  Estimate the pressure drop across the honeycomb

Estimate the pressure drop across the honeycomb.

  Determine heat transferred from entire plate length to air

Determine the heat transferred from the entire plate length to air taking into consideration both laminar and turbulent portion of the boundary layer.

  Steam steadily flows through turbine to produce mechanical

Steam steadily flows through a turbine to produce mechanical work. At the inlet, the pressure, temperature and velocity of the steam are 10 MPa, 450 °C and 110 m/s, respectively. The water exits this turbine at pressure of 10 kPa with the quality of ..

  The total running time from a to b is 40 seconds draw the

a subway car leaves station a it gains speed at the rate of 2 ms2 for 6 seconds and then at the rate of 3 ms2 until it

  What are the possible failure modes for the shaft that must

a rotating shaft has power transferred into a gear at b by a bevel gear resulting in a steady radial force f1100lb and

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