Information > helipad : The installation and use of on board oxygen generators is such that.1 the ?

Question 37-1 : 1 and 3 2 and 4 2 and 3 1 and 4

The replenishment of an onboard oxygen bottle must be done ?

Question 37-2 : With the engine s off with the engine s on with the engine s at idle with a ground power unit connected electrical power supplied

The contents of an oxygen bottle can be ensured by the .1 weight.2 pressure.3 ?

Question 37-3 : 1 and 2 only 1 and 3 only 2 and 3 only 1 and 4 only

The demand valve of a diluter demand type oxygen regulator in normal mode ?

Question 37-4 : User breathes in user breathes out user requires 100% oxygen pressure in the oxygen reservoir is more than 500 psi

A passenger oxygen mask is ?

Question 37-5 : A continuous flow mask and in principle should not be used if there is smoke in the cabin an on demand type mask and in principle should not be used if there is smoke in the cabin a continuous flow mask and must be used if there is smoke in the cabin an on demand type mask and must be used if there is smoke in the cabin

A smoke hood is a device covering ?

Question 37-6 : The whole head and with a continuous oxygen flow the whole head and with an oxygen flow only on demand only the nose and the mouth and with an oxygen/air mix only the nose and the mouth and with a continuous oxygen flow

Regarding the chemical oxygen generator to enable the oxygen to flow the ?

Question 37-7 : Firmly pull the mask towards his face operate the relevant switch in his armrest firmly pull the door compartment of the oxygen mask storage turn the oxygen valve to open

Fixed oxygen systems in pressurised aeroplanes are used to provide oxygen.1 in ?

Question 37-8 : 1 4 1 2 4 3 2 3

When using an emergency oxygen mask a pilot is able to ?

Question 37-9 : Both transmit and receive receive only transmit only neither transmit or receive

A smoke mask is a ?

Question 37-10 : Mask with flow on request and covers the whole face continuous flow mask and covers the whole face mask with flow on request and covers only the nose and the mouth continuous flow mask and covers only the nose and the mouth

Which of these statements about chemical oxygen generators are correct or ?

Question 37-11 : 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 these statements about chemical oxygen generators are correct or ?

Question 37-12 : 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 chemical oxygen generators are correct or ?

Question 37-13 : I is correct ii is correct i is incorrect ii is incorrect i is incorrect ii is correct i is correct ii is incorrect

Which of these statements about chemical oxygen generators are correct or ?

Question 37-14 : I is incorrect ii is correct i is correct ii is correct i is incorrect ii is incorrect i is correct ii is incorrect

The advantages of a chemical oxygen source for the passenger cabin are . 1 ?

Question 37-15 : 1 2 4 and 6 1 2 3 4 5 and 6 2 3 and 5 1 3 4 and 5

The disadvantages of a chemical oxygen source for the passenger cabin are . 1 a ?

Question 37-16 : 1 3 and 5 1 2 3 4 and 5 2 and 4 1 2 3 and 5

The advantages of a gaseous oxygen source compared with a chemical source for ?

Question 37-17 : 2 3 1 only 2 only 1 2

High frequency vibration usually emanates from ?

Question 37-18 : Transmission shafting the main rotor gearbox the engine or tail rotor the main rotor blades

The sand filter located at the air intake of a gas turbine engine ?

Question 37-19 : Reduces the efficiency of the air intake increases the efficiency of the air intake has no effect on the efficiency of the air intake has an effect on the efficiency of the compressor only

Warning lights associated with basic pitot/static heating systems in ?

Question 37-20 : Either the heating element or the power relay has failed the heating element has failed the power supply to the system has failed the heating system is on and the heater is cycling on/off

Helicopter engine bellmouth air intakes ?

Question 37-21 : May be heated by either hot oil electric mats or engine bleed air are always heated by engine bleed air from the engine compressor are always heated by electrically heated mats are not heated

Heating systems for helicopters may obtain hot air from the following sources ?

Question 37-22 : 1 3 2 3 2 1

Warning devices associated with air conditioning systems fitted in helicopters ?

Question 37-23 : A green system ''on'' information light and amber bleed air failure lights amber bleed air failure warning lights and red fire warnings for three wheel air cycle machine failure a green system serviceable light and an amber warning light an amber system ''on'' information light a green serviceable light and either a red or amber duct overpressure light

The most common type of starter used on a helicopter engine is ?

Question 37-24 : A d c starter/generator a d c starter motor an a c starter/generator an a c starter motor

The most common material used in the construction of gearbox casings is ?

Question 37-25 : Magnesium alloy aluminium alloy steel alloy titanium alloy

For a large helicopter ram air ventilation ?

Question 37-26 : May be provided throughout the cockpit and cabin through a series of ducts is provided to pilots only is ducted from the downwash of the main rotors to gasper ducts throughout the helicopter may be provided throughout the cabin from ducts in doors only

The throttle control may be interconnected with ?

Question 37-27 : The collective lever to increase power with increased pitch application the collective lever to decrease power with increased pitch application the yaw pedals to increase tail rotor speed for directional control inputs the cyclic stick to increase power for cyclic control inputs

The purpose of the primary stops in a flying control system is to ?

Question 37-28 : Restrict the movement of the controls within the correct range prevent damage to the system when the helicopter is parked in high winds act as a stop in case of vibration of the controls bring the main and tail rotors to rest as soon as possible after shut down

The ducted fan type tail rotor ?

Question 37-29 : Uses an aerofoil shaped duct creating thrust is chosen in design solely due to the safety reasons is mounted at the base of the fin allowing lighter supporting structure and to offset the fin to counter tail rotor drift is of simpler design and of a lower cost of manufacture than a traditional tail rotor

Friction controls are usually fitted to ?

Question 37-30 : Both collective and cyclic controls but only the collective friction is adjustable in flight both collective and cyclic controls which are adjustable in flight the collective control only the cyclic control only

Which of the following statements about the swash plate in a helicopter ?

Question 37-31 : To be able to move or to tilt the swash plate in all directions at least three separate servo units are needed helicopters with a so called artificial feel do not need a swash plate all helicopters are equipped with a swash plate another name for swash plate is spider arm

The main reason for fitting a rotor brake can be.1 to bring the rotor quickly ?

Question 37-32 : 1 3 3 4 1 3 4 2 4

Rotor brakes are often located ?

Question 37-33 : On the tail rotor drive shaft on the main rotor shaft on a separate drive shaft on the main rotor gear box within the main rotor gearbox

Rotor brake discs are manufactured from ?

Question 37-34 : Steel or carbon fibre alumicnium or steel steel or titanium boron aluminide or titanium

Wear rate of a control rod spherical bearing is ?

Question 37-35 : Exponential progressive constant unpredictable

The purpose of the fixed scissors is to ?

Question 37-36 : Resist the rotational force applied to the lower swashplate in a rotorhead system ensure the wheel remains correctly orientated to the oleo leg in a landing gear act as the lower jaw of the cable cut device on a hoist provide part of feedback mechanism in an auto pilot system

Tail rotors differ from most main rotors in that ?

Question 37-37 : The pitch changes from a negative angle setting to a positive angle setting the tail rotor rotates at a lower speed they always have few blades the lead/lag hinge is incorporated with the flapping hinge

Tail rotors differ from main rotors in that ?

Question 37-38 : They do not provide for blade pitch cyclic variation pitch remains constant throughout all flight regimes they rotate at a lower speed they always have fewer blades

Main rotor droop stops ?

Question 37-39 : Are inactive during flight move to prevent the rotor disc drooping excessively during turbulent conditions preventing damage to the tail cone in flight prevents rotor droop in flight by ensuring the engine provides additional power immediately when required by the rotor prevents engine power reducing below the requirements to sustain rotor rpm

An unshrouded tail rotor has ?

Question 37-40 : Equal pitch change to all blades different pitch change to each blade cyclic pitch control only rpm control independently of the main rotor