Determine the final pressure and temperature

Assignment Help Mechanical Engineering
Reference no: EM13707782

A piston/cylinder assembly in a car contains 12 in3 of air at 13 lbf/in2 and 68 F. The air is compressed in a polytropic process with exponent n = 1.25 to a final volume six times smaller. Determine the final pressure and temperature, and the heat transfer of the process

Reference no: EM13707782

Questions Cloud

Find the voltage across the capacitor : A 12-V battery is connected to three capacitors in series. The capacitors have the following capacitances: 4.6uF , 11uF , and 30uF. Find the voltage across the 30 uF capacitor
Determine the heat transfer during the process : A tank of 20 ft3 volume is half-filled with liquid water, and the remainder is filled by vapor at 550 psia. The water is heated until one-half of the liquid (by volume) is evaporated, while an automatic valve lets saturated vapor escape at such a rat..
How high above the ground was the acorn before it fell : You attach a meter stick to an oak tree, such that the top of the meter stick is 1.27 meters above the ground. If the acorn takes 0.316 seconds to pass the length of the meter stick, how high above the ground was the acorn before it fell
What are the advantages of conducting a cost-benefit : What are the advantages of conducting a cost-benefit analysis on a new health care service an insurance company is considering, such as screening for prostrate cancer as a covered benefit?   Support your answer with References
Determine the final pressure and temperature : A piston/cylinder assembly in a car contains 12 in3 of air at 13 lbf/in2 and 68 F. The air is compressed in a polytropic process with exponent n = 1.25 to a final volume six times smaller. Determine the final pressure and temperature, and the heat tr..
Probabilistic activity time estimates are for a cpm : The following probabilistic activity time estimates are for a CPM/PERT network. Time Estimates (days) Time Estimates (days) Activity a m b Activity a m b 1 1 2  6  7 1 1.5 2 2 1 3  5  8 1 3 5 3 3 5 10  9 1 1 5 4 3 6 14 10 2 4 9 5 2 4  9 11 1 2 3 6 ..
Calculate the heat transfer in the process : A cylinder fitted with a frictionless piston contains 2 kg of superheated refrigerant R-134a vapor at 350 kPa, 100oC. The cylinder is now cooled so that the R-134a remains at constant pressure until it reaches a quality of 75%. Calculate the heat tra..
How much time do the workers have to get to the piano : A piano has been pushed to the top of the ramp at the back of a moving van. The workers think it is safe, but, as they walk away, How much time do the workers have to get to the piano
Propulsion scheme calls for use of liquid nitrogen as fuel : A new vehicle propulsion scheme calls for the use of liquid nitrogen as "fuel". The details of the power cycle are basically liquid nitrogen is heated in contact with the atmosphere, pressurised and expanded through a turbine) .

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Hydrogen at 25 bar 450degc enters an adiabatic turbine and

hydrogen at 25 bar 450degc enters an adiabatic turbine and expands to 2 bar 160degc with a mass flow rate of 0.2 kgs.

  Oxygen at 100 kpa 27degc is compressed to 1 mpa in an

oxygen at 100 kpa 27degc is compressed to 1 mpa in an adiabatic compressor whose isentropic efficiency is 0.80.

  Determine the power required to maintain the clean rooms

at steady state a refrigeration cycle maintains a clean room at 55degf by removing energy entering the rom by heat

  A residential air-conditioner with cop of 40 re-circulates

a residential air-conditioner with cop of 4.0 re-circulates 0.4 kg-das of indoor air that is cooled and dehumidified as

  Determine the largest load p

A knowing that the normal stress magnitude in each link is not to exceed 24 ksi, the shearing stress in pin F is not to exceed 15 ksi, and the deflection of point A is not to exceed .08 in.

  To what elevation in m would a 1000-kg mass have to be

a domestic water heater holds 189 l of water at 60 degrees c 1 atm. determine the exergy of the hot water in kj. to

  The cycle discharges energy by heat transfer to the

at steady state a refrigeration cycle maintains a freezer at -2degc removing energy by heat transfer from the food

  Brayton gas turbine cycle has two stages of compression

A Brayton gas turbine cycle has two stages of compression and two stages of expansion. The pressure ratio across each stage of the compressor and turbine is 3. The air enters each stage of  the compressor at 300K and each stage of the turbine at 1..

  What four processes make up the ideal otto cycle what is

what four processes make up the ideal otto cycle? what is happening in an actual engine during the real processes that

  Find the net amount of new disorder created and the

three kg of air contained in a sealed deformable device at 150 deg c and 500 kpa is expanded to 150 kpa in an

  Intake temperature at each compressor is 300k and the

an ideal gas-turbine with two stages of compression and two of expansion. the pressure ratio for each stage is 3.

  Determine the minimum stopping distance for the automobile

an automobile of weight w that has a wheel base of lenght l during fourwheel braking. the center of gravity is a

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