[jdflight]

If you have a 12-volt 25 amp battery, and the alternator fails, how long will the battery provide usable electrical power?

Depends how much you're drawing at the time.


What makes the air moving over the top of the wing stay on the wing?

There's a capping layer at some point which creates the laminar flow and thus the venturi effect.


How do you preflight the gyroscopic instruments?

Electric - listen for it to spool up. Then check all of them on taxi.


If we select gear up on the Piper Arrow and one of the gears does not fully retract, how do we identify which one is not fully retracted?

I'm with Moxie on this one.


List six signs of an approaching stall in a fixed-wing aircraft.

Six? Dang that's a harsh examiner.


Explain the long-term effects of overloading an aircraft.

Structural damage? Not sure what you're going for here.


Is carburetor heat de-ice or anti-ice? Why?

Both, depending on when you turn it on.


Do an airplane's state and federal registration expire, are they transferrable, and when do you need to change them?

Doesn't expire to my knowledge, and there's only one registration. It is transferrable upon change of ownership.


When we use an altimeter setting, what are we telling the altimeter?

Essentially what sea level pressure is.