Which of the following statements are INCORRECT? Gravitational and electric fields can repel and attract affected objects.

Distance is an important factor for both electric fields and gravity.

Electric fields are made by either positive or negative electrical charges.

Gravity can affect charged objects.

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system

What organization and environment is described above?

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)