We now wish to increase the pressure inside the cabin by pumping in extra air. Assume that the air temperature inside the cabin remains constant at 288 K. If the time rate of increase in cabin pressure is 0.02 atm/min, calculate the time rate of change of the air density per second.

Q: A car’s tire has a pressure, temperature of 32 psi and 80 deg F, respectively. By mistake, the tire…

A: Given: T1=80°F=540°RT2=T1+75°C=675°RP1=32 psiMWAir=28.97 lbMWCO2=44 lb

Q: A cylinder-piston system contains air. The initial volume of the system is 0.1m3, the pressure…

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Q: Pressure cooker containing air at STP has been heated and after sometimes, it was observed that the…

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Q: Calculate the heat needed for the expansion of a quantity of 0.066 Kg of saturated dry steam…

A:

Q: the final volume (V2) in (m3) :is Below 0.2 O Between 0.2 and 0.4 O Between 0.4 and 0.6 Between 0.6…

A: Given that: Initial pressure and quality is P1 = 200 kPa and x1 = 0.7 respectively. Initial volume…

Q: The quality of the fluid is 20%. Its internal energy at saturated liquid state is 200 kJ/kg and…

A:

Q: A piston-cylinder apparatus has a 2 kg piston with a diameter of 10 cm resting on a body of water 30…

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Q: At high altitudes, pressure cooker is preferable for cooking because the boiling point of water (a)…

A:

Q: A soccer referee inflates a soccer ball to the standard required measured pressure for a game of…

A:

Q: calculate the volume of air at the reduced pressure.

A: Given: V1=0.25 m3P1=1700 kPaT1=18°CIso thermal processP2=Patm=101.325 kPa To determine: Volume at…

Q: Evaluate the volume occupied by 7.12 kg of air at a gage pressure of 615 kJ and temperature of…

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Q: A piston-cylinder assembly contains air at 210 kPa and occupies a volume of 0.01m. The piston is…

A:

Q: A hollow cylinder 80 cm long in diameter, one end closed, is immersed vertically with its closed end…

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Q: Two tanks are linked together by a pipe and a tap farm. The temperature of the gases they contain is…

A: Given: To find: Equilibrium pressure after opening valve

Q: The air in an automobile tire with a volume of 2.60 ft^3 is at 90 degF and 20 psig. Determine the…

A:

Q: Calculate the mass of air at a temperature of 25 ° C and a pressure of 0.1 MPa in a room measuring…

A: Temperature T=25 C Pressure P=0.1MPa Room Dimensions 7m x 5m x 3m. To find mass of air

Q: 10 kg of R-134a fill a 1.3206 m^3 rigid container at an initial temperature of 24 C. The container…

A: 1. Given Data The mass of the R-134a is:m=10 kg The volume of the R134a is:V=1.3206 m3 The initial…

Q: Determine the internal energy of the steam in BTU if the mass is 2.826 lb, pressure is 619.81 kPa,…

A:

Q: A spring is attached to the back of the frictionless piston. Initially, the spring exerts no force…

A: 8

Q: Refrigerant 134a is stored inside an uninsulated rigid tank (see figure below) and heated by an…

A:

Q: change

A:

Q: One kg of steam is contained in an elastic baloon of spherical shape which supports an internal…

A: Given that, Mass of steam, m=1 kg,Temperature of saturated steam, Tsat=110 °C,Final pressure of…

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

A:

Q: A soccer referee inflates a soccer ball to the standard required measured pressure for a game of…

A:

Q: Water having a mass of 1800 lb is cooled from 70ºF to a final temperature of 32ºF. Calculate the…

A:

Q: If 37 kJ of heat is applied to a non-flow system while 54 kJ of work is done by the system,…

A: Given: Heat supplied to non-flow system = Q = 37 kJ Work done by the system = W = 54 kJ To find:…

Q: What is the gage pressure on the bottom of the tank, in kPa? What is the absolute pressure on the…

A: Diameter d = 3mHeight h = 11 mAtmosperic presure Patm=101.325 KPa

Q: Let's consider a closed container. This has a glass sight that allows you to observe the liquid…

A: Given data: Drop-in level(height) of refrigerant (Δh) = 150 mm Area of the vessel (A) =.05 m2…

Q: 2.5 kW of solar energy comes on top of the solar panel placed on the roof of a house. 25% of this…

A:

Q: A 60 mm diameter pipe enlarges to a 90 mm diameter pipe. In the smaller pipe, the density of a…

A: given; →inlet pipe diameter(D1)=60mm=0.06m→outlet pipe diameter(D2)=90mm=0.09m→inlet…

Q: the initial mass (m1) in (kg) :is Below 0.1 O Between 0.1 and 0.15 O Between 0.15 and 0.2 O Between…

A: From the steam table, write the specific volume at initial pressure of 200 kPa and quality of 0.70.

Q: A dormitory room measures 4m x 6m x 6m. A student turns on a 150 watts fan before leaving the room…

A:

Q: Calculate the pressure and density of air at a height of 4000 m from sea-level where pressure and…

A: Given Dataz=4000mPo=10.143 N/cm2=10143 N/m2dTdz=-0.0065°C/mρ=1.285 kg/m3

Q: Some people think that ice skates slide on ice because ice melts at the pressure exerted by the…

A: To determine the pressure of the student exerted on the ice, we will apply the relation as follows:…

Q: In the piston-cylinder system shown in the figure, in the first state, the piston is located on the…

A: Given:m=2 KgV=0.15 m3T=40°CA=0.075 m2Patm=100 KPag=9.76 m/s2mp=35 Kg

Q: container of constant volume contains 10 kg of air at 20 C temperature and 150 kPa pressure. Rough…

A:

Q: In the piston-cylinder system shown in the figure, in the first state, the piston is located on the…

A: Given Data The mass of the piston is: m=2 kg The temperature of the water is: T1=40°C Volume is:…

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.