EASA Part-66 Exam Preparation Online

Thanks for raising this, you were right that the wording was unclear. The question has now been reworded to: To inhibit the fuel system of an installed engine for storage, with inhibiting oil supplied to the fuel inlet, you should... The correct answer is unchanged (dry motor the engine), but the stem now makes it clear that this is about preserving the fuel system for storage, not priming it or clearing a wet start. Thanks again for reporting it.

PART66Online replied to alectaylorob's question ·5h ago

This answer isnt wrong but isnt its main purpose to provide tip clearance? I feel aiding in acoustics is no where as important?

alectaylorob asked a question ·12h ago

Ahhh of course legend thanks for clearing that up! yeah definitely could be reworded slightly. Appreciate you getting back to me mate!

alectaylorob replied to alectaylorob's question ·15h ago

Actually, it is neither priming nor clearing a wet start, it is storage preservation: inhibiting oil is connected to the fuel inlet and the engine is dry motored on the starter with ignition off, so the engine-driven pump circulates the oil through the fuel control unit, lines and nozzles. Pumping oil in with the engine stationary is incorrect, because the engine-driven pump must turn to carry the oil through the whole system. The question stem is worth rewording slightly, to state that the inhibiting oil is supplied during motoring.

svenj88 replied to alectaylorob's question ·15h ago

not sure this question makes sense are you trying to prime it or discard fuel after a wet start or what?

alectaylorob asked a question ·16h ago

It's B. Seen it from the jump seat on check flights, fly level at the same indicated speed at 5000 ft and again at 15000 ft and the pitch attitude barely changes, only the true airspeed is a lot higher. Thinner air but the wing moves through it faster, so same dynamic pressure, same AoA for the same lift and same induced drag, and the climb in between comes from extra thrust, not from holding more AoA.

Tomash replied to wan.yc.justin's question ·7d ago

what i dont understand is how is the aircraft increase in altitude without an increase in AoA, hence the increase in induced drag

wan.yc.justin asked a question ·7d ago

Thank you, you are right. The code printed on small resistors, such as 4K7 (4.7 kilohm) or R47 (0.47 ohm), is a letter-and-digit code: the digits give the value, and the letter R, K or M sets the multiplier and takes the place of the decimal point. Calling that option just 'Letter code' was not clear enough, especially next to 'Number code', so we have renamed it to 'BS1852 code', the standard this marking comes from. Thanks for pointing it out, and please keep reporting anything that looks off.

PART66Online replied to ZigmundsAMG's question ·7d ago

So it has both - letter AND number.

ZigmundsAMG asked a question ·7d ago

Because mercury freezes near minus 39 degrees C, at minus 50 it is solid in the bulb and cannot rise, answer is B. Alcohol stays liquid to roughly minus 115 degrees C, so spirit thermometers are the standard choice for very low temperature measurement.

AnyaK replied to ztknpi666's question ·12d ago