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The gases in the cylinder of an internal combustion engine have a specific internal energy of 800 kJ/kg and a specific volume of 0.06 m3/kg at the beginning of expansion. The expansion of the gases may be assumed to take place according to p?1.5=constant, from 55 bar to 1.4 bar. The specific internal energy after expansion is 230 kJ/kg. Calculate the heat rejected to the cylinder cooling water per kilogram of gases during the expansion stroke.
a mercury manometer ?13600 kgm3 is connected to an air duct to measure the pressure inside. the difference in the
Explain any anomalies - differences from theory or what you thought should happen. Is a linear approximation sufficient to describe and predict the relationship between load and output voltage?
while studying physics in her dorm room a student is listening to a live radio broadcast of a baseball game. she is 1.6
A body with a plane stress field has material properties E, ν and has the following displacement field
Determine the factor of safety against net section yield in the presence of the crack and determine the factor of safety against brittle fracture for the same conditions.
Determining Feasibility, At steady state, a new power cycle is claimed by its inventor to develop 6 horsepower for a heat addition rate of 400 Btu/min
consider a piston-cylinder assembly containing 0.12 kg of nitrogen at 300 k and 1 atm state 1. the nitrogen is heated
Taking the temperature of the surrounding surfaces to be 20°C also, determine the rate of heat loss from the steam pipe.
consider a household 120 v two-plug electric outlet protected by a 15 a circuit breaker. a you plug in a hair dryer and
the laminar flame speed of a premixed stoichiometric mixture of propane?air at 1 atm and 298 k is 0.4 ms. estimate the
Assuming a small oscillation about the horizontal equilibrium position, determine position X for the slider such that the friction period is 1 second.
when the tucurui dam was constructed in northern brazil the lake that was created covered a large forest. underwater
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