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Physics, 21.06.2019 20:50
Identify the type of synthetic material used in each object
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Physics, 22.06.2019 18:00
Air enters a gas turbine with two stages of compression and two stages of expansion at 100 kpa and 17°c. this system uses a regenerator as well as reheating and intercooling – the intercooler returns the air to the inlet temperature. the pressure ratio across each compressor is 4 ; 300 kj/kg of heat are added to the air in each combustion chamber; and the regenerator operates perfectly while increasing the temperature of the cold air by 20°c. determine the system’s thermal efficiency. assume isentropic operations for all compressor and the turbine stages and use constant specific heats at room temperature. (0.378)
Answers: 3
Physics, 22.06.2019 18:30
Energy can be transformed from one form to another. the diagram shows one such process. which energy transformation is represented in the diagram? nuclear to thermal and radiant nuclear to electrical and chemical chemical to nuclear and radiant chemical to electrical and nuclear
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Physics, 22.06.2019 19:30
If the area of a square has increased by a factor of 16, by how much has each side increased?
Answers: 3
It takes Miss Slotman 4 seconds to go from a speed of 3 m/s to a speed of 10 m/s. What is
her acce...
Mathematics, 24.04.2020 03:48
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