It takes 60 kW to keep the interior of a certain house at 60°C when the outside temperature is 10°C. This heat flow is usually obtained directly by burning gas or oil. Evaluate the power required if the 60 kW heat flow were supplied by operating a reversible engine with the house as the upper reservoir and the outside surroundings as the lower reservoir, so that the power were used only to perform work needed to operate the engine.
It takes 60 kW to keep the interior of a certain house at 60°C when the outside temperature is 10°C. This heat flow is usually obtained directly by burning gas or oil. Evaluate the power required if the 60 kW heat flow were supplied by operating a reversible engine with the house as the upper reservoir and the outside surroundings as the lower reservoir, so that the power were used only to perform work needed to operate the engine.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Civil engineering is a professional engineering discipline that deals
with the design, construction, and maintenance of the physical and
naturally built environment, including public works such as roads,
bridges, canals, dams, airports, sewage systems, pipelines, structural
components of buildings, and railways. is traditionally broken into a
number of sub-disciplines?? It is considered the second-oldest
engineering discipline after military engineering, and it is defined to
distinguish non-military engineering from military engineering. Civil
engineering can take place in the public sector from municipal public
works departments through to federal government agencies, and in
the private sector from locally based firms to global Fortune
500 companies. ???
It takes 60 kW to keep the interior of a certain house at 60°C when the
outside temperature is 10°C. This heat flow is usually obtained directly by
burning gas or oil. Evaluate the power required if the 60 kW heat flow were
supplied by operating a reversible engine with the house as the upper
reservoir and the outside surroundings as the lower reservoir, so that the
power were used only to perform work needed to operate the engine.
Civil is the application of physical and scientific principles for solving
the problems of society, and its history is intricately linked to advances
in the understanding of physics and mathematics throughout history.
Because civil engineering is a broad profession, including several
specialized sub-disciplines, its history is linked to knowledge of
structures, materials science,
geography, geology, soils, hydrology, environmental
science, mechanics, project management, and other fields.
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