Calculate the specific volume of the steam after throttling
Steam at 4 MPa and 400 °C is throttled adiabatically to a pressure of 1 MPa. If the change in kinetic energy is negligible, Calculate the specific volume of the steam after throttling.
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1.5 kg of liquid water initially at 10 °C is heated to 60° C in a teapot equipped with a 1000 W electric heating element inside. Calculate the minimum time it takes to heat the water to the desired temperature.
For a given confidence interval, what is the interpretation of a 96% confidence level? 96% chance that the given interval includes the true value of the population parameter
In a heating system, cold outdoor air at 10 °C flowing at a rate of 6 kg/min is mixed adiabatically with hot air at 50 °C flowing at a rate of 1.5 kg/min.
Saturated refrigerant 134a vapor at 40 °C is condensed as it flows through a tube at a rate of 0.2 kg/s. The condensate leaves the tube as saturated liquid at 40 °C.
Calculate the net work output, the heat input in the boiler and the thermal efficiency of the cycle. Sketch the cycle on the T-s and h-s diagrams for water.
As we wind down this 8 week journey, in 350 words or more, explain how you might view statistics differently and how you will use statistics in your everyday life. Will you apply what you have learned in this course? How?
Given that the actual high value in 2006 was 12,464, how good was the predicted value? What does the pattern suggest about the stock market for investment purposes?
Calculate the change in entropy of a gas of mass 8kg when 100 kj of heat energy is supplied to the gas. the temperature of the gas remains constant at 100 c during the heat transfer process.
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