Alternate air is an alternate source of air, it can for example be used during ice, when the normal filter is blocked to have a backup source available.
Alternate air is unfiltered air and should not be used during ground operation because the unfiltered air may contain dust and other contamination.
If you pitch up in a Seneca the speed IAS will decrease, because of the constand speed drive (in the propeller hub).
The propellers want to maintain the original RPM. Therefore the blades will go to a more fine blade setting.
17KTS
Make sure to memorize the emergency procedures for your previous aircraft, example answer:
Engine powers max (mixture, rpm, throttles) Identify and verify failed engine Throttle close Propeller feather Mixture idle cutoff Gear and flaps up Magneto switches off Fuel pump off Fuel selector off CHECK FOR FIRE R/T call
The engine will flood with fuel.
Seneca uses MOGAS (red) or AVGAS (Blue)
No, you mechanically change a valve that changes the air intake to air that runs past the exhaust manifold and is therefore heated.
Only hydraulic gear.