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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Multiple Choice Question Identify a true statement about political systems controlled by men. Multiple choice question.
Question: Symbolic interactionism took off as a theoretical approach to the study of deviance during the 1960s
Staying with Nigeria, rewind the year to 1950. Using the +5 year control, fast forward in 5 year increments until you reach 2020.
This week watch the 3 short video clips below about cultural appropriation. These videos will redefine terms like cultural appropriation
Jane is doing a study about tattoos. She is interested in studying the idea of the "tramp stamp" (a tattoo in the small of a woman's back).
Question: Examine gender inequality on a global scale, considering how factors such as globalization, colonialism
Based on the chapter by Allen Furr on the sociology of mental illness, How do sociological models help you understand mental illness differently