Engine temperature limitations of a gas turbine engine are usually imposed due ? [ Course pilot ]

Question 40-1 : Turbine section compressor section casing of the combustion chamber jet pipe

For a fan jet engine the by pass ratio is the ?

Question 40-2 : External airflow mass divided by the internal airflow mass internal airflow mass divided by the external airflow mass internal airflow mass divided by the fuel flow mass fuel flow mass divided by the internal airflow mass

If the main oil filter of a gas turbine engine becomes clogged oil to the main ?

Question 40-3 : Because the oil filter bypass valve opens because fuel upstream of the oil filter will be mixed with oil to allow easier passage through the filter if a higher engine rpm is selected to increase oil pressure if breather pressure in the main compartments is increased to ensure positive lubrication of the bearings

In a free turbine engine the energy delivered by the free turbine stages ?

Question 40-4 : Is dependent on the rotational speed of the gas generator is used to drive the compressor and the main rotor gearbox is not connected with the rotation speed of the generator is used to drive the compressor only

Which statement is correct for a gas turbine engine with a constant speed ?

Question 40-5 : I is correct ii is correct i is correct ii is incorrect i is incorrect ii is incorrect i is incorrect ii is correct

Which statement is correct for a gas turbine engine with a constant speed ?

Question 40-6 : I is correct ii is correct i is correct ii is incorrect i is incorrect ii is incorrect i is incorrect ii is correct

The bypass ratio .i is the ratio of bypass air mass flow to hp compressor mass ?

Question 40-7 : I is correct ii is correct i is correct ii is incorrect i is incorrect ii is correct i is incorrect ii is incorrect

The bypass ratio .i is the ratio of inlet air mass flow to hp compressor mass ?

Question 40-8 : I is incorrect ii is incorrect i is correct ii is incorrect i is incorrect ii is correct i is correct ii is correct

Compressor stall in a gas turbine engine ?

Question 40-9 : Can be caused by an axial airflow velocity that is low relative to the rotor speed does not occur with well designed compressor blades is unlikely to occur in a compressor with many stages only occurs during engine start up

The air flow passages between adjacent axial compressor rotor blades are ?

Question 40-10 : Part of the compressor work delivered to the air is converted into kinetic energy it is a constant temperature process the compressor rotational velocity slows down the air flow the gas expands between the blades

A twin spool gas turbine engine is one in which the ?

Question 40-11 : Lp turbine drives the lp compressor and the hp turbine drives the hp compressor lp compressor drives the hp compressor turbines are free to rotate at speeds that differ from their associated compressors lp turbine drives both the lp compressor and the hp compressor

When the combustion gases pass through a turbine the ?

Question 40-12 : Pressure drops pressure rises axial velocity of the flow decreases temperature increases

The most common extinguishing agent used in gas turbine engine fire protection ?

Question 40-13 : A liquid halogenated extinguishing agent and pressurized gas typically nitrogen water co2 powder

When a part of a continuous loop fire detection system is heated .1 its ?

Question 40-14 : 1 and 3 2 and 3 1 and 4 2 and 4

A fault protection circuit in a fire detection system will ?

Question 40-15 : Inhibit the fire detector when the detection line is connected to ground activate an alarm in the cockpit and in the landing gear bay for ground crew activate the fire detection system when the detection line is connected to ground automatically initiate apu shutdown and fire extinguisher striker activation in the event of fire

In a fire detection system with single loop continuous components with no fault ?

Question 40-16 : The fire alarm is triggered the engine fire extinguisher striker is automatically activated there will be no effect on the system the power supply is cut off automatically

When a continuous loop wire type fire detection system is tested ?

Question 40-17 : The wiring and the warning are tested the wire is totally heated only the warning function is tested a part of the wire is totally heated

Regarding fire detection ion detectors are used to detect ?

Question 40-18 : Smoke overtemperature and fire fire overtemperature

Smoke detector systems are installed in the ?

Question 40-19 : Upper cargo compartments class e wheel wells engine nacelles fuel tanks

Continuous loop fire detector systems operate on the principle that an increase ?

Question 40-20 : A decrease in resistance an increase in resistance a decrease in the reference current a decrease in pressure

Generally when the fire handle of the engine fire extinguishing system on an ?

Question 40-21 : 1 3 4 and 5 1 3 and 4 1 2 5 and 6 2 3 4 and 5

On a multi engined aircraft a fire detection system includes ?

Question 40-22 : A warning light for each engine and a single alarm bell common to all engines both a warning light and an alarm bell unique to each engine a single warning light and a single alarm bell a single warning light but a separate alarm bell for each engine

On an aircraft provided with resistance and capacitance variation type fire ?

Question 40-23 : At any isolated point of the loops or else generally on all the loops only at an isolated point of the loops only in a uniform way along the loops on at least one loop

Smoke detectors fitted on transport aircraft are of the following type ?

Question 40-24 : Optical or ionization chemical electrical magnetic

The bimetal strip detectors of an engine fire detection system .1 are arranged ?

Question 40-25 : 2 and 4 1 and 4 2 and 3 1 and 3

When a bimetallic strip is used as a switch in a fire detection loop a fire ?

Question 40-26 : Avoid false alarms in case of vibrations allow temperatures to equalise delay the triggering of the fire extinguishers and increase their efficiency wait for the triggering of the second fire detection loop in order to confirm the fire

An engine fire is indicated by a n ?

Question 40-27 : Warning and an aural alert bell warning only aural alert only

A continuous loop detector system is a ?

Question 40-28 : Overheat detection system smoke detection system carbon dioxide warning system fire fighting system

At reference the smoke detection in the aircraft cargo compartments is carried ?

Question 40-29 : The c1 and c2 sensors detect smoke the c1 and c3 sensors detect smoke only one sensor detects smoke the c2 and c4 sensors detect smoke

A gaseous fire loop system is tested by ?

Question 40-30 : Heating up the sensor checking the continuity of the system checking the wiring harness for faults but not the sensor checking the sensor with external pressurised gas

Power plant fire extinguishers are operated by ?

Question 40-31 : An electrically fired cartridge rupturing a seal in the head of the bottle manual remote control opening a discharge valve an electrically heated capsule rupturing a seal in the pipeline at the engine a mechanical link withdrawing a safety pin and allowing a spring operated plunger to rupture the bottle seal

A fire detection system includes ?

Question 40-32 : A warning light for each engine and a single alarm bell common to all engines a single warning light but a separate alarm bell for each engine a single warning light and a single alarm bell both a warning light and an alarm bell unique to each engine

The correct statement about rain protection for cockpit windshields is that ?

Question 40-33 : Rain repellent should never be sprayed onto the windshield unless the rainfall is very heavy wipers are sufficient under heavy rain conditions the electric de icing system for cockpit windows is also suitable for rain protection the alcohol de icing system for cockpit windows is also suitable for rain protection

Fire precautions to be observed before refuelling are ?

Question 40-34 : All bonding and connections to the earth terminal between ground equipment and the aircraft should be made before filler caps are removed ground power units gpu are not to be operated passengers may be boarded traversing the refuelling zone providing suitable fire extinguishers are readily available aircraft must be more than 10 metres from radar or hf radio equipment under test

Overheat detection systems in a transport aircraft are installed in the ?

Question 40-35 : Wheel wells wheels cabin fuel tanks

In a pressurized transport aircraft the protective breathing equipment ?

Question 40-36 : Protects the members of the crew against fumes and noxious gases protects all the occupants against the effects of accidental depressurization protects the members of the crew against the effects of accidental depressurization gives medical assistance to certain passengers with respiratory disorders

When quick donning masks are in use the pilot is ?

Question 40-37 : Able to radiotelephone only able to receive only able to transmit not able to do any radio communication

What is breathed in when using a passenger oxygen mask ?

Question 40-38 : Cabin air and oxygen 100% oxygen cabin air and oxygen or 100% oxygen a mixture of oxygen and freon gas

The purpose of the regulator of a flight deck oxygen system is to .1 increase ?

Question 40-39 : 2 3 4 and 5 3 4 5 and 6 1 2 3 and 4 1 3 4 and 6

A diluter demand oxygen regulator selected to '100%' ?

Question 40-40 : Delivers oxygen flow when inhaling delivers oxygen flow only above fl100 is only recommended for use with smoke in the cockpit mixes air and oxygen in a passenger oxygen mask