Find the volumetric compression ratio
A diesel engine has a state before compression of 95 kpa, 290 k, a peak pressure of 6000 kpa, and a maximum temperature of 2400 K. Find the volumetric compression ratio and the thermal efficiency.
Expected delivery within 24 Hours
Combustion products with the molar anaylisis of 10% CO2, 20% H2O, 70% N2 enter an engine's exhaust pipe at 1000F, 1atm and are cooled as they pass through the pipe, exiting at 100F, 1atm.
Determine the evaporator temperature at which a single-stage R22 plant will cease to produce any refrigerating effect in delhi where the condenser temperature is 42 degree C. the and the compressor has 5% clearance, index of compression is 1.15?
Liquid water enters a pump at 15°C, 100 kPa, and exits at a pressure of 5 MPa. If the isentropic efficiency of the pump is 75%, determine the enthalpy of the water at the pump exit, in KJ/kg.
Heat in the amount of 100 kJ is transferred directly from a hot reservoir at 1200 K to a cold reservoir at 600 K. Calculate the entropy change of the two reservoirs and determine if the increase of entropy principle is satisfied.
Consider a system operating a power cycle between thermal reservoirs at temperatures Th and Tc where Th>Tc. Using 1st and 2nd law of thermodynamics, derive the maximum thermal efficiency possible.
Water at 10 degrees C flows throug a smooth 60-mm-diameter pipe with an average velocity of 8m/s. Would a layer of rust of height 0.005mm on the pipe wall protrude through the viscous sub layers? Explain.
We want to achieve a concentration of 0.5%wt of carbon at a depth of 0.2 mm below the surface of the slab of a metal. The initial concentration of carbon in the metal is 0.1wt%.
Determine the number of recorders the manager should order each month to meet 90% of customer demand.
1930724
Questions Asked
3,689
Active Tutors
1430360
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Explain, step-by-step, how you would implement the task group according to the model you chose.
Which approach to defining the law states that law is one type of social control that influences the behavior of people along with other forms
The "house form", as discussed by Amos Rapoport (1969), belongs today to a field of anthropological study better known as Space and Place.
Family is one of the most prominent societal institutions and as an institution, it performs some crucial societal functions.
Create a poster of ageism. Ensure you cite where each source came from. Explain what kind of stereotyping, prejudice and discrimination is shown.
In the Brown v. Board of Education case, Drs. Kenneth and Mamie Clark presented critical findings from their "doll" study
Pick three problems either from your own experience or from the news, and apply at least three different situational crime prevention techniques to each.