Determine the specific weight of the oxygen
A pressure gage connected to a tank of oxygen reads 50 psi, and the temperature of the oxygen is 80°F. If the local atmospheric pressure is 14.7 psia, determine the specific weight of the oxygen.
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Determine (a) the pump work, wk, per kilogram of steam (b) the average density of steam, assuming that the pump is reversible in nature.
Determine the magnitude of the particle's displacement from t=0 to t=3s. Use Simpson's rule with n=100 to evaluate the integrals. What is the magnitude of the particle's acceleration when t= 2s?
Draw a schematic of the system. Using electric resistance heaters, determine (b) the required power (kW) needed to raise the water temperature and (c) the entropy generation rate (kW/K).
Airline managers expect that only about 15% will say "yes." Based on this assumption, what size sample should the airline take if it wants to develop a 95% confidence interval estimate for the population proportion who will say "yes" with a margin
1. Suppose you are calculating an Analysis of Variance for a completely randomized design. You are testing the hypotheses:
Consider the continuous triangular distribution y=x/4.5, where 0<x<3. a) What is the probability of 0<x<3? b) what is the probability of x=2? C) What is the probabbility 0<x<1? D) What is the probability of 1<x<2?
A decision maker is interested in estimating a population proportion. A sample of size n = 150 yields 115 successes. Based on these sample data, construct a 90% confidence interval estimate for the true population proportion.
There is much consternation between your associates as to what type of gas it is. The tank is located near sea level, and you have access to tables of properties. Which gas to you tell them it is?
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