Find the rate of entropy change of the process
Water at 3 MPa and 160 degree C is produced from water at 2. 5 MPa and 40 degree C in an irreversible process at a rate of 5. 6 kg/s. Find the rate of entropy change of the process (kW/K).
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Let X denote a geometric random variable with parameter 1-p ε (0,1) such that P(X=n)=p(1-p)n for n = 0, 1,... Calculate the mean directly. Calculate the variance directly.
Below, is a pay-off table for four projects P1, P2, P3, and P4; with different possible outcomes in four different states of the world S1, S2, S3, and S4. The value in parenthesis and next to each state indicates the probability of that state. Wh
A heat engine of 30% thermal efficiency drives a refrigerator having a coefficient of performance of 4. Determine the ratio of the heat input to the engine to the heat remove from the cold body by the refrigerator.
The engine produces 75 kW of power and rejects heat into the cold reservoir at a rate of 9 kW. (a) Find the efficiency of the heat engine, (b) Is the engine reversible?
A tank contains 0.05m^3 of Nitrogen (R=0.2968kj/kg*k) at T=-21 degrees Celcius and P=10MPa. Assume a non-ideal gas. Find the mass of Nitrogen using data from the compressibility chart.
Determine the final air pressure and temperature, and the final position of the piston (i.e. the distance between the bottom of the cylinder and the bottom of the piston, in the final state).
The president of the American Insurance Institute wants to compare the yearly costs of auto insurance offered by two leading companies. He selects a sample of 15 families, some with only a single insured driver, others with several teenage drivers
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Which of the following best describes the rationale of those public officials who are promoting the policy referenced in the title of the Texas Tribune article?
Problem: Political messaging and how a policy is framed to one's supporters and to the general public are important.
What are 2 or 3 advantages of conducting policy evaluations in criminal justice? What is the significance of policy research in policy evaluation?
What is society's goal for unions? To limit individual employees' bargaining power To ensure that workers have a voice in how they are treated
How can grassroots movements and community-led initiatives drive change in addressing environmental injustices, and what strategies have proven
The control model is based on strict authority and rigid rules. It emphasizes discipline, surveillance, and limited privileges for inmates.
Question: Which of the following statements illustrates the impact of the reform era (1900-1920) on US political parties?