Câu 1-1000 ATPL VNH 2021

According EASA CS the worst effect of a HAZARDOUS FAILURE on the flight crew could be:

Define the term “FATIGUE”:

The principle of ON CONDITION maintenance is based on the:

The principle of FAIL SAFE design of an aircraft is based on the:

According EASA CS the worst effect of a CATASTROPHIC FAILURE on the flight crew could be:

According EASA CS the worst effect of a CATASTROPHIC FAILURE on the occupants of an aeroplane excluding flight crew could be:

Which of these statements about structural design principles are correct or incorrect? 1) In structural design, FAIL SAFE implies the structure will never fail. 2) In structural design, SAFE LIFE implies the structure will never fail during a declared time period or number of cycles.

According EASA CS the worst effect of a MINOR FAILURE on the occupants of an aeroplane excluding flight crew could be:

According EASA CS the worst effect of a MINOR FAILURE on the aeroplane could be:

Which of these statements about structural design principles are correct or incorrect?1) In structural design, FAIL SAFE implies redundant load paths.2) A SAFE LIFE structure is based on a declared number of cycles or time period.

A SAFE LIFE aircraft structural component:

According EASA CS the worst effect of a MAJOR FAILURE on the flight crew could be:

The pressurisation load on the skin of a fuselage is:

A non-cantilever wing is:

The reason for the fact that an aeroplane designed for long distances cannot simply be used for short haul flights at higher frequencies is that:

Control surface flutter can be avoided by: 1) a high torsional stiffness of the structure. 2) a low torsional stiffness of the structure. 3) locating a balancing mass in front of the control hinge. 4) locating a balancing mass behind the control hinge. The combination that regroups all of the correct statements is:

Maximum Zero Fuel Mass (MZFM) is:

Torsion in a wing can be caused by:

Torque links on an undercarriage come under most stress when:

A structure in which the skin takes all of the load is:

In straight and level flight the most important loads on a cantilever wing are:

What is the reason for heating flight deck windows?

What are the three elements of the fuselage structure of a large transport aeroplane?

The wing of an aircraft in flight, powered by engines mounted under the wings, is subjected to bending moments due to thrust and drag. The loading on the front spar of the torsion box from the wing root to the wing tip is:

The highest load on the torsion link in a bogie gear is experienced:

To achieve control flutter damping the balance mass must be located:

How can the wing bending moments be reduced in flight?

Shuttle valves will automatically:

Hydraulic power is a function of:

Synthetic hydraulic fluids:

Internal leakage in a hydraulic system will cause:

The function of a hydraulic selector valve is to:

Viscosity is:

The hydraulic system of a transport aircraft is typically designed to produce:

Pascal’s law states that:

To protect against excessive system pressure, a hydraulic system usually incorporates:

Hydraulic fluids:

The purpose of a shuttle valve is to:

Filters in hydraulic systems often incorporate pop out indicators to:

When powering up a hydraulic system, the level in the reservoir will:

In a typical hydraulic system, the overheat detectors are usually installed:

A single action actuator:

The auto brake system is disconnected after landing:

The auto-brake system is disconnected during landing:

During hydroplaning, the friction coefficient between tire and runway surface is approximately:

“Nose-wheel shimmy” may be described as:

An under-inflated tire will:

VLO is the maximum:

In a typical commercial transport aircraft the landing gear operating system is usually:

The maximum permitted tire creep is typically:

The reason for fitting thermal plugs to aeroplane wheels is that they:

On the upper image on the diagram shown, the landing gear element indicated by the number 3 is the:

VLE is the maximum:

The PLY RATING of a tire is?

The operating principle of an anti-skid system. The brake pressure will be:

A tubeless tire is a tire: 1) Which requires solid or branched wheels. 2) Whose valve can be sheared in sudden accelerations. 3) Whose mounting rim must be flawless. 4) Which requires no rim protection between rim flange and tire removing device. 5) Which does not burst in the event of a tire puncture. 6) Which eliminates internal friction between the tube and the tire. The combination regrouping all the correct statements is:

To avoid the risk of tire burst from overheating there is:

The illumination of the green landing gear light indicates that the landing gear is:

Which of these statements about a gust lock system are correct or incorrect? 1) There should be suitable design precautions to prevent flight with the gust lock engaged. 2) There is no need for a gust lock on reversible flight controls.

Which controls act together in a V-tail aircraft?

Which of these statements about a gust lock system are correct or incorrect? 1) A gust lock can be used in flight to reduce the effects of turbulence. 2) Reversible flight controls should have a gust lock.

Trimming of aileron and rudder in an irreversible flight control system:

Why is the artificial feel required on some flight control systems and how is the degree of the feel set?

The function of the rudder limiter system is:

The range of movement of a control surface is limited by:

What is the name of the control surface that rotates an aeroplane about its vertical axis?

An artificial feel system:

A flight control surface actuator is said to be “reversible” when:

What is the name of the control surface that rotates an aeroplane about its longitudinal axis?

On a large transport aeroplane, the auto-slat system:

A primary stop is mounted on an elevator control system in order to:

Which of these statements regarding most gust lock systems is correct?

If the control stick of an aircraft with properly rigged flight controls is moved rearward and to the left, the right aileron will move:

An aeroplane equipped with irreversible flight controls:

The cabin pressure is regulated by the:

The pressurization system of a typical transport aeroplane:

Under normal flight conditions, cabin pressure is controlled by:

Main cabin temperature is:

Assuming cabin differential pressure has reached the required value in normal flight conditions, if flight altitude and air conditioning system setting are maintained:

Most of the cabin pressurization systems have two modes of operation:

When the air is compressed for pressurization purposes, the percentage oxygen content is:

Which of the following statements is UNTRUE?

The purpose of the pack cooling fans in the air conditioning system is to:

In a typical air conditioning system of a short-haul turbojet aircraft the cabin air is not controlled in respect to the:

The pack cooling fan provides:

Cabin heating in a large turbojet transport aeroplane is obtained from:

Under normal conditions (EASA CS-25) the cabin pressure altitude of a transport aeroplane is not allowed to exceed:

A cabin pressurisation system is often installed on board turbine powered aircraft. If installed, it normally has:

The term “bootstrap”, when used to identify a cabin air conditioning and pressurization system, refers to the:

In a large transport aeroplane the main temperature reduction of the conditioned air is achieved in:

The wing ice protection system currently used on most large jet transport aeroplanes is:

The heating facility for the windshield of an aircraft is:

In the case of a thermal anti-icing system, an over-temperature is typically indicated by:

The wing anti-ice system has to protect:

Concerning electrically powered ice protection devices, the only true statement is:

The use of a hot air wing anti-icing system:

Generally, for large aeroplanes, electrical heating for ice protection is used on:

The wing ice protection system currently used for most large turboprop transport aeroplanes is:

Which fuel tanks are heated on a typical large transport aircraft?

Aviation gasoline (AVGAS) fuel is normally used tor:

The purpose of baffles fitted in wing fuel tanks is to:

Fuel tank air pressure is maintained at ambient by:

The most appropriate statement concerning multi-engine jet aeroplane fuel systems, is:

Unusable fuel is:

The purpose or baffles on an aeroplane’s wing fuel tank is to:

The high pressure fuel pumps are driven by:

The fuel cross-feed system:

Fuel pressure is measured:

The fuel cross-feed system is used to:

Fuel system ice traps:

On a jet aircraft, fuel heaters are:

Why is the capacitance-type fuel quantity gauge system the system that is most often used on large turbine aircraft?

On what principle does a fuel flow meter work?

The flash point of fuel is:

The ventilation system in a fuel tank:

The functions of a LP booster pump in a gas turbine fuel system are to:

GEN 2 can be used to feed tfle DC ESS BUS: (Note: all contactors not mentioned are assumed to remain open)

The type of gate that requires all “TRUE” inputs for a “TRUE” output is:

What are the advantages of NiCd batteries?

A current limiter fuse (thermal) in a DC generation system is used to:

Generators, when connected to the same busbar, are usually connected:

Usually, in conductive materials:

On the ground, APU GEN can be used to feed the AC BUS 1 when: (Note: all contactors not mentioned are assumed to remain open)

The so called HOT BUSSES or DIRECT BUSSES are:

In a turbo compressor air conditioning system (bootstrap system), the purpose of the heat exchangers is to:

A constant speed drive (CSD) unit is normally provided with means of monitoring the following parameters during the flight:

Electrical potential is measured in:

A thermal circuit breaker:

The symbol 4 represents an ___ logic gate.

Because of the input/output relationship of an OR gate, it is often referred to as the:

In an electrical circuit the reverse current relay will open:

How are the loads on an aircraft busbar connected?

Assuming the initiating cause is removed, which of these statements about resetting are correct or incorrect? 1) A fuse is not resettable 2) A circuit breaker is not resettable.

Batteries are rated in:

Which of the following parts is a typical semiconductor part?

The current in a DC circuit, according to Ohm’s law, can be described as: