Which laws of thermodynamics are violated

Assignment Help Civil Engineering
Reference no: EM13561423

An inventor claims that an engine produces 120 kw with a fuel consumption of 20 kg/h. The energy content of the fuel is 36,00 kJ/kg. The energy is received at a mean temperature of 500C and rejected at a mean temo of 50 C. Which laws of thermodynamics are violated?

A) First law only

B) Second law only

C)First and second laws

D)Neither first nor second laws

Reference no: EM13561423

Questions Cloud

Determine maximum shearig stress in the shaft : A hollow steel shaft with an outside diameter of 400 mm and inside diameter of 300mm is subjected to the torque of 300 Kn. The modulus of rigidity for the steel is 80 GPa. determine
Look at the required volume of clearwell needed : A small city is evaluating disinfection requirements for their drinking water plant. With an average flow of 5 MGD and a peak flow of 9 MGD, determine the controlling CT factor (virus or giardia
Complexity of family relationships : Describe how in which story (stories) are the differences of cultural practices regarding women in the US and the Dominican Republic highlighted and in what ways?
What is the maximum load that diameter steel cable can hold : What is the maximum load that a .75" diameter steel cable can hold if the UTS of the steel is 145,000 PSI and a safety factor of 1.5 is required?
Which laws of thermodynamics are violated : An inventor claims that an engine produces 120 kw with a fuel consumption of 20 kg/h. The energy content of the fuel is 36,00 kJ/kg. The energy is received at a mean temperature of 500C and rejected at a mean temo of 50 C. Which laws of thermodynamic..
Purchasers of the enclosed substance : Purchasers of the enclosed substance should carefully and thoroughly follow the instructions provided herein for the use of the substance
Which one of the following would have the greatest impact : A spread footing supported on a sandy soil has been designed to support a certain column load with a factor of safety of 2.5 against bearing capacity failure. However, there is some uncertainty in both: the column load, P, and the friction angle, ?
Determine the minimum footing length l : etermine the minimum footing length L, and the placement of the columns on the footing that will place the resultant load at the centroid of the footing. The footing must extend at least 500 mm beyond the edges of columns A and C.
Purchasers of the enclosed substance : Purchasers of the enclosed substance should carefully and thoroughly follow the instructions provided herein for the use of the substance

Reviews

Write a Review

Civil Engineering Questions & Answers

  Explain how to calculate the mcl for the acceptable risk

the water is pumped out of the aquifer at a rate of 2000 gpd, treat it with activated carbon and then put it back into the aquifer. At the flow rate how long until al the PCE is removed, assume carbon removed 100% of the PCE

  How would the economies of construction be obtained

For a metal and wood structure, how would the economies of construction be obtained (pertaining to the mean and standard deviation of a probability of failure graph)?

  Calculate the concentration of pm in the stack at conditions

A stack (T=550*F and P=750mm Hg) was sampled using EPA Method 5. The total gas volume that flowed through the dry gas meter was 2.785 cubic meters (at T=60*F and P=800mm Hg). The mass of particles collected was 1.50g.

  Is the flow laminar or turbulent

A rectangular concrete channel is 3 m wide and 2 m high. The water 20 deg Celsius in the main channel is 1.5 m deep and is flowing at a rate of 30 m^3/s. determine the flow area, wetted perimeter, and hydraulic radius. Is the flow laminar or turbu..

  What is the uniform flow in cfs when the pipe is half full

A concrete (n=0.013) stormwater channel, 6-feet in diameter, has a bed slope of 0.01%. What is the uniform flow in cfs when the pipe is half full

  What distance must be cleared from the inside edge

design a horizontal curve with a 40-degree central angle ( delta = 40) for a two-lane road with 11-ft lanes. The design speed is 70 mi/h and superelevation is limited to 0.06 ft/ft. Give the radius, degree of curvature, and length of curve that yo..

  Determine the station where tangent runout starts

The station of a PI of a horizental curve is 60+20. The horizental curve has a degree of 4 and a length of 400ft. the othere given design perameters include. Superelevation runoff rate is 1/400. width of the pavement is is 15ft.

  What are the two equations that civil engineers balance

For a given two-dimensional (x,y) Free body diagram (FBD) that is in Static Equilibrium, what are the two equations that civil engineers balance and use to solve for the forces

  Calculate the coefficient of consolidation and the

a the soil profile on a site consisted of 4 m thick homogeneous clay deposit overlying an impermeable rock. the

  Which direction to apply the force components

When drawing a FBD, how do you know which direction the x, y and z components are applied? I know that the sum of forces in each direction and the moments about each axis have to equal zero so I know some FBD are pretty self explanatory

  Show that potential energy of the compressed gas is given

Let the cross - sectional area of the tube be given by A and the position of the cylinder by s , and assume that the compressed gas is an ideal gas at constant temperature so that the pressure P times the volume is a constant

  Determine the filtration rate if the depth of this layer

A Single clean layer of sand in a rapid-sand filter has an average grains size of 20X40 US. Mesh, porosity go 0.4, sand specific gravity of 2.65, and shape factor of 0.85. The absolute viscosity and density of water are 1.4X10^-3 Pa-s and 998 kg/m^3,..

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