The fadec of a gas turbine engine normally includes ? [ Registration lift off ]
Question 34-1 : An engine overspeed and/or an egt protection function an overheat protection for the electronic engine control unit the engine fire loops an excessive fuel flow detection function

In a gas turbine engine the propelling jet is generated by ?
Question 34-2 : Expansion of hot gases resulting in a conversion of potential energy pressure into kinetic energy velocity expansion of hot gases resulting in a conversion of potential energy pressure into mechanical work compression of hot gases resulting in a conversion of kinetic energy velocity into mechanical work compression of hot gases resulting in a conversion of potential energy pressure into kinetic energy velocity

The internal geometry of a turbofan intake for a subsonic commercial aeroplane ?
Question 34-3 : Divergent in order to reduce airflow velocity and increase static pressure in front of the fan convergent in order to increase airflow velocity and reduce static pressure in front of the fan divergent in order to increase both airflow velocity and static pressure in front of the fan convergent in order to reduce airflow velocity in front of the fan

The turbine in a gas turbine engine generates shaft power using ?
Question 34-4 : Expansion of hot gas followed by conversion of kinetic energy velocity into mechanical work compression of hot gas followed by conversion of kinetic energy into mechanical work compression of hot gas followed by conversion of potential energy pressure into kinetic energy velocity expansion of hot gas followed by conversion of potential energy pressure into mechanical work

The principle of aeroplane propulsion is to generate a propelling force by ?
Question 34-5 : Accelerating air or gas in order to obtain a reaction force generating a high velocity jet pushing against the outside air pressurising air or gas in order to obtain a reaction force heating up air in order to obtain a reaction force

Which statement is correct for a gas turbine engine with a constant speed ?
Question 34-6 : I is incorrect ii is incorrect i is correct ii is incorrect i is correct ii is correct i is incorrect ii is correct

Which statement is correct for a gas turbine engine with a constant speed ?
Question 34-7 : I is incorrect ii is incorrect i is correct ii is incorrect i is correct ii is correct i is incorrect ii is correct

The primary performance indicator cockpit instrument for the thrust of a ?
Question 34-8 : Either epr or n1 either n1 or n2 either n1 or fuel flow either torque or rpm

If air is tapped from a gas turbine hp compressor the effect on the engine ?
Question 34-9 : Epr decreases and egt increases epr decreases and egt remains constant epr remains constant and egt increases both epr and egt decrease

An abortive hung start is the term used to describe an attempt to start in ?
Question 34-10 : Lights up but fails to accelerate sufficiently fails to light up commences initial rotation but fails to receive any fuel will not rotate

On a fadec jet engine the meaning of f a d e c on a gas turbine engine is ?
Question 34-11 : Full authority digital engine control failure analysis / dispatch evaluation computer fool adapter dual electronic computer failsafe adapter direct effect computation

The blades in an axial flow compressor decrease in size from the ?
Question 34-12 : Low pressure to the high pressure stages in an attempt to sustain axial velocity high pressure to the low pressure stages in order to allow for expansion at increased velocity root to the tip in order to increase tip clearance root to the tip in order to maintain a constant angle of attack

Regarding a jet engine .i the maximum thrust decreases slightly as the pressure ?
Question 34-13 : I is incorrect ii is correct i is correct ii is correct i is correct ii is incorrect i is incorrect ii is incorrect
Which of the following statements is correct about the flow in a divergent ?
Question 34-14 : I is correct ii is incorrect i is correct ii is correct i is incorrect ii is correct i is incorrect ii is incorrect

Which of the following statements is correct about the flow in a divergent ?
Question 34-15 : I is correct ii is incorrect i is correct ii is correct i is incorrect ii is correct i is incorrect ii is incorrect
Both gas turbine and piston engines use a cycle made up of induction ?
Question 34-16 : I is incorrect ii is incorrect i is correct ii is correct i is incorrect ii is correct i is correct ii is incorrect

Which of the following statements is correct about the flow in a divergent ?
Question 34-17 : I is incorrect ii is correct i is correct ii is correct i is correct ii is incorrect i is incorrect ii is incorrect

Which statement is correct about the flow in a divergent jet engine inlet .i ?
Question 34-18 : I is incorrect ii is correct i is correct ii is correct i is correct ii is incorrect i is incorrect ii is incorrect

Which of these statements about compressor stall are correct or incorrect .i a ?
Question 34-19 : I is correct ii is correct i is correct ii is incorrect i is incorrect ii is correct i is incorrect ii is incorrect

In a compressor stage if the axial air velocity increases more than the rotor ?
Question 34-20 : Stall margin increases stall margin decreases pressure ratio will be too high relative air velocity becomes supersonic

Which of these statements about compressor stall are correct or incorrect .i a ?
Question 34-21 : I is incorrect ii is correct i is correct ii is incorrect i is incorrect ii is incorrect i is correct ii is correct

With regard to a twin spool turbofan an abortive start hung start will result in ?
Question 34-22 : N2 speed stabilising at a lower than normal rpm and a subsequent increase in egt n2 speed stabilising at a higher than normal rpm and a subsequent increase in egt n2 speed stabilising at a lower than normal rpm and a subsequent decrease in egt n2 speed stabilising at a higher than normal rpm and a subsequent decrease in egt

Which of the following statements is correct about the flow in a divergent ?
Question 34-23 : I is incorrect ii is correct i is correct ii is incorrect i is correct ii is correct i is incorrect ii is incorrect

One of the functions of a gas turbine engine subsonic intake is to ?
Question 34-24 : Decrease airflow velocity increase total pressure increase airflow velocity decrease static temperature

One of the advantages of multiple spool jet engine designs is that ?
Question 34-25 : A smaller air starter driving only a single spool can be used if one spool seizes the remaining spool s will continue to operate normally a compressor stall cannot occur under any condition engine length can be reduced

Which of these statements about compressor stall are correct or incorrect .i a ?
Question 34-26 : I is incorrect ii is incorrect i is correct ii is incorrect i is incorrect ii is correct i is correct ii is correct

After a successful start of a high bypass turbofan engine the air starter ?
Question 34-27 : Is disengaged by the coupling between engine n2 spool and starter by the use of centrifugal forces is disengaged by using a clutch that is controlled by the main engine control is disengaged by the coupling between engine n1 spool and starter by the use of centrifugal forces remains engaged and rotates continuously with the n2 spool

Both gas turbine and piston engines use a cycle made up of induction ?
Question 34-28 : I is correct ii is incorrect i is incorrect ii is incorrect i is incorrect ii is correct i is correct ii is correct
Which of these statements about compressor stall are correct or incorrect .i a ?
Question 34-29 : I is correct ii is incorrect i is incorrect ii is incorrect i is incorrect ii is correct i is correct ii is correct

The following problems may occur when starting a twin spool turbofan engine ?
Question 34-30 : No n1 rotation although n2 may accelerate normally no n2 rotation although n1 may accelerate normally a hung abortive start with no light up indication after 'fuel on' selection a hung abortive start with fuel flow indication zero after 'fuel on' selection

Both gas turbine and piston engines use a cycle made up of induction ?
Question 34-31 : I is incorrect ii is correct i is incorrect ii is incorrect i is correct ii is correct i is correct ii is incorrect

The most unfavourable conditions for adequate inlet air flow of a turbofan ?
Question 34-32 : Maximum take off thrust zero forward speed and strong crosswind conditions maximum thrust during climb out with strong crosswind idle thrust zero forward speed with no wind maximum thrust at rotation speed on the ground during take off

If a twin spool gas turbine engine is controlled by a conventional n2 control ?
Question 34-33 : Overspeed of the lp turbine n2 and epr increase n1 and n2 increase n1 decrease and epr increase

The rotor blades of an axial compressor of a gas turbine engine are often ?
Question 34-34 : Limits damage to the blades due to vibration limits fod damage limits damage due to creep facilitates easy assembly and removal

For a turbine engine the self sustaining speed relates to the minimum rpm at ?
Question 34-35 : Will continue to operate without any starter motor assistance is designed to idle after starting operates most efficiently in the cruise will enable the generators to supply bus bar voltage

The primary function of the diffuser located between the compressor and the ?
Question 34-36 : Decrease the flow velocity increase total pressure convert kinetic energy into mechanical energy increase the temperature of the compressed air

A fadec on a gas turbine engine ?
Question 34-37 : Is single fault tolerant is a single channel system is a three channel system consists of two identical channels cross linked through an non engine related aircraft computer

When a turbo prop aeroplane decelerates during the intial part of the landing ?
Question 34-38 : Produces negative thrust produces zero thrust is feathered produces positive thrust

Most high bypass unmixed turbofan engines are equipped with a cold exhaust ?
Question 34-39 : Save costs and mass at the expense of a reduction in available reverse thrust prevent disturbance of cold exhaust reversed airflow by the hot exhaust reversed gas flow reduce the risk of exhaust gas re ingestion prevent extra fuel consumption due to operation of the hot exhaust reverser turbine reverser

A booster or lp compressor in a twin spool turbofan ?
Question 34-40 : Rotates at the same rotor speed as the fan rotates at the same rotor speed as the hp turbine rotates at a rotor speed different from both fan hp compressor and hp turbine rotates at the same rotor speed as the hp compressor

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1319 Free Training Exam Other source study: Ppl exam examen 34