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504 Modern aircraft are usually pressurized in flight by using:

Select the correct answer(s).  

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b. Auxiliary Power Units which are installed for this purpose primarily

a. Bleed air tapped off from usually the compressor section of the engine

c. Pressure controlled bleed air tapped off usually from the last stage turbine section of the engine

none

511 What other term is used to classify a “Turboprop Engine”:

Select the correct answer(s).  

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a. Propjet

c. TPE (Turbocharged Propeller Engine)

b. Fanjet

none

509 In turbine engine jargon, a Hot Start is when:

Select the correct answer(s).  

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c. The ITT/EGT rises rapidly and exceeds limitations before sufficient turbine/compressor rotation is obtained

a. The outside air temperature is above ISA + 45o C

b. The EGT rises rapidly before the N1/N2N/3 reach sufficient speed and the engine is about to exceed limitations

none

505 At what Mach range does the subsonic flight range normally occur?

Select the correct answer(s).  

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c. From 1,20 to 2,50 Mach

a. Below .75 Mach.

b. From .75 to 1.20 Mach

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510 Turbine engines can deliver reverse thrust by.

Select the correct answer(s).  

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a. Bringing the engine from forward thrust into a momentary stop (stationary) then spooled up into reverse thrust.

c. Starting the engine in the opposite direction of normal forward thrust.

b. It is merely accelerated as the exhaust is redirected forward

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508 What indicates that a compressor stall has developed and become steady?

Select the correct answer(s).  

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a. Strong vibrations and loud roar.

b. Occasional loud "bang" and flow reversal.

c. Complete loss of power with severe reduction in airspeed.

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502 If during a preflight a pilot sees that a tire is showing just a thread of canvass, he should:

Select the correct answer(s).  

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a. Consult with a maintenance technician

c. Look it up in the Maintenance section of the company’s Operations Specifications

b. Consult the limits / tolerances in the approved AFM.

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501 Where would a pilot find the type of engine oil a specific aircraft uses

Select the correct answer(s).  

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c. In the Certificate of Airworthiness (Powerplant subsection)

b. In the approved Airplane Operating Manual (AOM) or similar

a. Do not even look, call maintenance

none

503 If at an airport JET A or Jet B type fuels are not available for your aircraft, would you:

Select the correct answer(s).  

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c. Not use any other fuel than JET A or Jet B

b. Look in the Flight / Maintenance Manual for alternate fuels

a. Top it up with 100/130 LL Avgas not to exceed a 50% ratio

none

506 How should thrust reversers be applied to reduce landing distance for turbojet aircraft?

Select the correct answer(s).  

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c. After applying maximum wheel braking.

b. Immediatly prior to touchdown.

a. Immediatly after ground contact.

none

514 A regular gas turbine type engine’s performance is most affected by:

Select the correct answer(s).  

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b. Ambient temperature and pressure

c. Mostly humidity in the air Vs ISA conditions

a. Ambient pressure and humidity

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513 High-bypass ratio turbine engines can be compared in operating principle to

Select the correct answer(s).  

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c. A simple scramjet engine

b. A regular jet engine with afterburner

a. A turboprop engine with 200 or more small propeller blades

none

515 If a normally aspirated engine’s power output (such as on a C-150 or PA28) engine is measured in shaft horse power (SHP), a turboprop engine’s power output is measured in:

Select the correct answer(s).  

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a. Lbs of thrust

b. ESHP (equivalent shaft horse power)

c. Also SHP

none

507 What characterizes a transient compressor stall?

Select the correct answer(s).  

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b. Sudden loss of thrust accompanied by loud whine.

c. Intermittent "bang", as backfires and flow reversal take place.

a. Loud, steady roar accompanied by heavy shuddering.

none

512 Approximately in what percentage do turboprop engines deliver thrust via the Propeller Vs turbine exhaust:

Select the correct answer(s).  

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a. 100% propeller - 0% turbine exhaust

b. 75% propeller - 25% turbine exhaust

c. 20% propeller - 80% turbine exhaust