Can the exhaust flow energy be used
A large stationary diesel engine produces 15MW with a thermal efficiency of .4. The exhaust gas which we assume is are, flows out at 800K, and the intake is 290K. How large is the mass flow rate? Can the exhaust flow energy be used?
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The compressor uses 1.6 kW of power. What is the maximum possible heat pump COP for a system operating between the two reservoirs?
Write the expression for the radial distribution function of a 3p electron in a hydrogenic atom and determine the radius at which the electron is most likely to be found.
Estimate the common logarithm of 10 using linear interpolation. For each of the interpolations, compute the percent relative error based on true value.
The cable is made of steel. What diameter should tar cable b so that the material does not exceed 50 percent of it's tensile strength? Value of tensile strength is 500X 10^6 N/m^2
In an orthogonal cutting operation, the chip velocity was determined using a Laser Doppler Velocimeter (LDV) as 80 % of the cutting speed. A tool of zero degree rake angle was employed in the cutting process.
The current I(t) flowing in a RLC circuit with R=11ohm, L=0.1H, C=10^-2F and the source voltage E(t) = 110sin(377t) becomes steady state at time 5s. Find out the steady state current flowing in the circuit.
The propeller of a light plane has a length of 2.032 m and a mass of 19.96 kg. The rotational energy of the propeller is 373.7 kJ. What is the frequency of the propeller in rpm? You can treat the propeller as a thin rod rotating through its center
In an orthogonal cutting experiment, with a 10-degree rake angle cutting tool, the chip velocity was measured to be 80% of the cutting speed. Determine the shear angle.
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Consider the freckles pedigree above. Circles are women, squares are men. Dark indicates that person has no freckles, open (white) indicates
Complete the statements to describe characteristics of autosomal dominant and autosomal recessive pedigrees. Choices may be used more than once.
Shao Mae takes medication to relieve depression. The medication increases her neural activity. However, immediately after firing, a neuron
Question: Completion of myelination in the CNS is one possible reason that:
Complete the following statements to describe polygenic inheritance. Some traits, such as skin color, are controlled by several sets of (Click to select)
Explain how bile is formed and the function of the gallbladder. Explain the most common cause of acute pancreatitis. What is the basic treatment?
Secretion of melatonin by the pineal gland will deactivate the ascending portion of this brain structure which, among other things,