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A 0.2 m3 tank containing helium at bar and 22 C will be used to supply 4.5 moles per minute of helium at atmospheric pressure using a controlled adiabatic throttling valve. (a) If the tank is well insulated, what will be the pressure in the tank and the temperature of the gas stream leaving the throttling valve at any later time t? (b) If the tank is isothermal, what will be the pressure in the tank and the pressure in the tank as a function of time? Assuming helium to be an ideal gas with a constant heat capacity of 22J/(mol K), and that there is no heat transfer between the tank and the gas.
For a pump in the basement which must deliver water to a bucket on the floor of the upper mechanical room, what is the minimum pressure in psig you will see at the pump discharge.
for a 3 sigma control chart what is the probability of four successive points plotting outside 2 sigma limits? if such
Estimate the mass of the gas in the tank in kg assuming the gas behaves as an ideal gas. If the gas warms up to 35 deg C as it sits in the sun all day, what would the pressure rise to?
in order to improve business the wiessherr biergarten in augsburg germany began a new gimmick promotion the bier
What is the packing density
many bridge designs today contain simple geometrical components but are constructed into complex ways to ensure that
Identify the mass properties that would be used to determine an appropriate size box to package 60 ABS Plastic (0.038 lb/in3) blanks and to ship them at $1.15 per pound.
an instrument having a resonance frequency of 1414 rads with a damping ratio of 0.5 is used to measure a signal of 6000
a compressor is used to compress air from 1 bar and 290 k to 10 bar. the compression can be assumed to be adiabatic and
a rigid tank contains 7.5 kg of saturated water mixture at 400 kpa. a valve at the bottom of the tank is now opened and
If water leaves the basement at 88C, determine the rate of heat loss from the weather.
a satellite is in earth orbit with an altitude at perigee of 555.0 km and an altitude at apogee of 1200.0 km. a. what
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