What is the internal energy of the gas after the expansion

Assignment Help Mechanical Engineering
Reference no: EM13707398

The amount of heat (dh = 327.18 KJ) is added to an open volume of 1m3 of air (at standard sea level conditions), causing it to expand to 4 m3.

1) How much work is done by the air?

2) What is the internal energy of the gas after the expansion?

3) What is the temperature change over the expansion?

Reference no: EM13707398

Questions Cloud

Ice forms on a duct transporting liquid nitrogen : Ice forms on a duct transporting liquid nitrogen. The duct consists of a circular hole, with diameter D=0.5 m, surrounded by square insulation, width=0.95 m, and thermal conductivity k=0.223 W/m*K. The inside of the duct is maintained at the boiling ..
Elevator starting from rest accelerates : If an elevator starting from rest accelerates at 10m/s and then decelerates at -1m/s until it reaches the top floor (ignore gravitational acceleration, assume g=0. Plot the corresponding a-t, v-t and s-t graphs.
Determine the initial volume of the cylinder : A mass of 0.5 g of air is contained in a piston-cylinder device. Initially the system is at 100 kPa and 25°C. The system is now compressed adiabatically to a volume 17 times smaller and a temperature of 700 K.
Helium gas is contained in a rigid vessel : Helium gas is contained in a rigid vessel of 0.5 m3 at 500 kPa. The gas is agitated violently by a stirrer that transfers 250 kJ of work to the gas. Assuming that the system undergoes an adiabatic process, determine the final pressure of the gas. Ass..
What is the internal energy of the gas after the expansion : The amount of heat (dh = 327.18 KJ) is added to an open volume of 1m3 of air (at standard sea level conditions), causing it to expand to 4 m3. How much work is done by the air? What is the internal energy of the gas after the expansion?
Determine the heat transferred to and the work produced : Steam at 75 kPa and 13 percent quality is contained in a spring-loaded piston-cylinder device, as shown in the figure, with an initial volume of 5.28 m^3. Steam is now heated until its volume is 13.20 m^3 and its pressure is 300 kPa. Determine the he..
What equivalence ratio for octane-air mixtures : At what equivalence ratio for octane-air mixtures does the carbon to oxygen ratio of the system equal one? Why is this of interest?
Maximum shearing stress in cylinder after-internal pressure : A laminated thick-walled cylinder was fabricated by shrinking a steel (E=200 GPa and nu=0.03) sleeve having an inside diameter of 199.800mm and an outside diameter of 300mm onto a steel tube with an inside diameter of 100mm and an outside diameter of..
Compare inlet steam mass and volume flow rates in pound mass : Compare the inlet steam mass and volume flow rates in pound mass per second and cubic feet per second of (a) a fossil-fuel power plant turbine having a polytropic efficiency of 0.90 and receiving steam at 2400 PSIA and 1000F and (b) a nuclear power p..

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  If the engines run for 10 seconds what is the final

a 10 kg space probe travels in a straight line with initial velocity 20 ms. the engines apply a force f5t in the

  If the mean radius is 024 m and this is constant throughout

a high-pressure axial compressor for a jet engine rotates at 15000 rpm with an overall stagnation pressure ratio of

  A car of mass 2000 kg travelling 30 degree north of east at

a car of mass 2000 kg travelling 30 degree north of east at 20 ms strikes a car of mass 3000 kg travelling 10 degree

  In the interest of minimizing heat transfer from the plate

consider a vertical plate of dimension 0.25 m x 0.50 m that is at ts100 c in a quiescent environment at t infinity 20

  In a particular nuclear power plant the reactor is used to

in a particular nuclear power plant the reactor is used to heat water to a saturated vapor at 700 psi this vapor is

  A ductile material has a yield strength of 280 mpa

a ductile material has a yield strength of 280 mpa. determine the factors of safety corresponding to yielding for the

  Determine the specified property data at the indicated state

Using the tables for water, determine the specified property data at the indicated states. In each case, locate the state on sketches of the p-v and T-v diagrams.

  Each turbine stage operates with an isentropic efficiency

water is the working fluid in a vapor power cycle with superheat and reheat. superheated vapor enters the first turbine

  A wing generates a lift l when moving through sea-level air

a wing generates a lift l when moving through sea-level air with a velocity u. how fast must the wing move through the

  The mercury in this leg stands 48in below the water what

one leg of a mercury u-tube manometer is connected to a pipe containing water under a gage pressure of 15 lbfin2. the

  Calculate the temperatures at the compressor and turbine

air enters the compressor of a simple gas turbine non-ideal brayton cycle at p1 14 lbfin.2 t1 520 degree r. the

  Water is the working fluid in an ideal rankine cycle

water is the working fluid in an ideal rankine cycle. saturated vapor enters the turbine at 18 mpa. the condenser

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