Final answer:
The recommended sequence for increasing power in aircraft is to first increase manifold pressure and then increase RPM.
Step-by-step explanation:
In aircraft, the manifold pressure and RPM controls are used to adjust the power output of the engine. The recommended sequence for usage of these controls when increasing power is to first increase the manifold pressure and then increase the RPM. This sequence ensures that the engine is operating at the appropriate power levels for a given flight condition.
For example, when a pilot wants to increase power for climbing, they would first increase the manifold pressure by opening the throttle. This allows more air-fuel mixture to enter the engine, resulting in increased power output. After increasing the manifold pressure, the pilot would then increase the RPM by adjusting the propeller pitch or selecting a higher RPM setting. This adjusts the rotational speed of the propeller, further increasing the power output.
By following this recommended sequence, pilots can effectively and safely increase power in aircraft by utilizing the manifold pressure and RPM controls.