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Blood at 37°C enters the left ventricle (LV) of a skier at a rate of 100 ml/s. At time t = 0, the skier steps outside and begins to breathe in very cold air. Consequently, the temperature of blood entering the ventricle is suddenly reduced to 34°C. Assume the ventricle has a constant volume of 100 ml, the ventricle is wellmixed, and the specific heats and densities of blood are independent of temperature. (a) Derive an algebraic expression for the temperature of blood exiting from the ventricle as a function of time. (b) What will be the temperature of blood emerging from the ventricle after a long period of time?
a mountain climber carries a barometer which reads 30.1 in hg at the base of the mountain. after her climb the
Calculating temperature, water evaporation, and heat in a power plant cooling situation. In a nuclear power plant the cooling tower system must be run on a closed cycle.
Prepare a 3-input, 5 bit multiplexer that fits in a 24-pin IC package. Write the truth table and draw a logic diagram and logic symbol for the multiplexer.
steam turbine expands steam reversibly and adiabatically from 4Mpa,300C to 50C turbine exit. determine the work per kg of steam.
For this same component and alloy, compute the stress level at which fracture will occur for a critical internal crack length of 6.0mm.
On a single graph, plot "Hardness" as the ordinate versus "Aging Time" as the abscissa for each aging temperature - Discuss the effect of aging time and temperature on the effect of material hardness.
a modified brayton cycle is to be analyzed using the air-standard assumption with constant specific heats at a
Whit is the critical crack length in iron according to the Griffith-Orowan equation if surface energy=10^3J/m^2?
the work on a system with a mass of 100 lbm is known to be 10 btus. if there is no change in potential energy and the
How the lubricants reduce the friction and wear characteristics of the parts in contact?
a gear reduction system consists of three gears a b and c. gear a starts from rest at time t0 and rotates clockwise
you are designing a remote-area power supply based on a miniature wind turbine that is 20 efficient. meteorological
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