A wide band oxygen sensor needs to be heated to what operating temperature?
A) 800 °F B) 1,400 °F C) 2,000 °F D) 600 °F
B
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The pump in the Rankine cycle raises the pressure of 12 kg/s of water from 20 kPa to 8 MPa. The boiler raises the temperature to 700°C, and the steam exits the turbine at a quality of 0.9, as sketched in the figure. Assume the pump and turbine are adiabatic.
The heat input to the boiler is nearest:
A) 43.6 MJ/s
B) 39.2 MJ/s
C) 31.0 MJ/s
D) 24.8 MJ/s