Find the specific work and specific heat transfer
A helium gas in a piston/cylinder is compressed from 100kPa, 300 K to 200kPa in a polytropic process with n=1.5. Find the specific work and specific heat transfer.
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An electric generator provides 500 kW and is powered by a diesel engine with a compression ratio of 19 and a cutoff ratio of 2. The efficiency of the electric generator is 95%. Estimate the consumption of diesel fuel by this engine in gallons per
Consider a newly designed structure. The capacity of the structure is estimated to be c-bar = 12,500 kips, and the standard deviation ?c = 5,000 kips. It is assumed that the capacity is normally distributed.
Where a is a scaling constant and v is the relative speed of the body moving through the air. How much faster would the cyclist go if he could increase his power output by 10%?
A Boat is traveling along a circular path having a radius of 20m . Determine the magnitude of the boat's acceleration if at a given instant the boats speed is v = 5 m/s and the rate of increases in speed is v = 2 m/s2.
A simple pendulum has a period of 2.40 seconds at a location where g = 9.810 m/s^2. What is the value of g at another place on the earth's surface where this pendulum has a period of 2.42 seconds.
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A study reports the results of a regression analysis based on n=15 observations in which x = filter application temperature and y=% efficiency of BOD removal. Calculated quantities include:
A representative of a consumer advocate group wishes to see if there is any evidence that the mean net weight is less than advertised and so intends to test the hypotheses
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