 AON Aviation Knowledge Test 1 

1 Which of the following are all aerodynamic balances?

A. Inset hinge, mass balance and spring tab.

B.  Horn balance, balance tab and internal balance.

C. Horn balance, inset hinge and mass balance.

D. Internal balance, anti-balance tab and servo tab.

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2 What can be said about the height of the Tropopause in the Northern
Hemisphere?

A. It increases from south to north

B.  It decreases from south to north

C. It remains constant throughout the year

D. It remains constant from north to south

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3 The minimum separation between VHF frequencies in Europe is:

A. 25kHZ

B. 25MHZ

C. 8.33MHZ

D.  8.33kHZ

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4 Propeller blade angle is:

A. the angle between the relative airflow and the chord line

B. dependent upon RPM and TAS

C.  the angle between the blade chord and the plane of rotation

D. the difference between effective pitch and geometric pitch

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5 Flutter may be caused by a:

A. low airspeed aerodynamic stall.

B. 
distortion by bending and torsion of the structure causing increasing vibration in
the resonance frequency.

C. high airspeed aerodynamic wing stall.

D. roll control reversal.

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6 What is the effect on Mach No and TAS when climbing at a constant

A. Mach No increases, TAS is constant

B.  Both increase

C. Mach No is constant, TAS increases

D. Both decrease

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7 Leaving ground effect at a given angle of attack the:

A. Induced drag decreases.

B.  effective angle of attack decreases.

C. lift will remain constant

D. nose tends to pitch down.

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8 The ILS Localiser operates in the following frequency band:

A. 108.0 - 112.0 kHz

B. 328.6 - 335.4 M HZ

C.  108.0 - 112.0 MHZ

D. 328.6 - 335.4 kHz

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9 During a climb a blocked static pressure supply line causes the ASI to:

A. over-indicate then under-indicate

B. over-indicate

C.  under-indicate

D. be unaffected

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10 What is the correct phrase for a pilot to use to advise ATC of being ready
to take-off?

A. Request takeoff.

B. Request departure.

C.  Ready for departure.

D. Ready for take-off.

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11 A turbo-supercharger impeller is driven by:

A. excess torque from the reduction gearbox

B. 
diversion of exhaust gases by the waste gate using energy that would otherwise
be wasted

C. a ram air turbine

D.  a connection through a gearbox connected to the crankshaft

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12 The purpose of an ignition switch is to:

A. connect the battery to the magneto

B.  control the primary circuit of the magneto

C. connect the contact breaker and condenser in series with the primary coil

D. connect the secondary coil to the distributor

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13 What is the shortest distance between two points on the Earth's globe
called:

A. Lambodrome

B.  Great circle

C. Airway

D. Rhumb Line

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14 The skin of a modern pressurised aircraft:

A. is made up of light alloy steel sheets built on the monocoque principle

B. houses the crew and the payload

C.  is a primary load bearing structure carrying much of the loads

D.
provides aerodynamic lift and prevents corrosion by keeping out adverse weather

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15 When an aircraft fitted with a classic air-driven artificial horizon

A. climbing turn to left

B.  descending turn to left

C.  descending turn to right.

D. climbing turn to right.

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16 What is the purpose of trim tabs?

A. to reduce control effectiveness

B. to reduce stick forces during manoeuvres

C. to increase control effectiveness

D.  to reduce stick forces to zero

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17 What does TEM stand for in the context of Human Performance?

A.  Threat and Error Management

B. Trusted Equipment Mechanic

C. Time Limited Evacuation Medical

D. Tango, Echo, Mike

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18 Which of the following statements regarding an electric circuit is correct?

A. an electric current is only able to flow in an open circuit

B. the magnitude of the current is proportional to the resistance

C. lower diameter wires are able to carry a higher current

D.  too high a current may lead to the circuit overheating

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19 The weight of an aeroplane, which is in level non accelerated flight, is

A. vertically through the datum point

B. vertically through the centre of pressure

C.  vertically through the centre of gravity

D. always along the vertical axis of the aeroplane

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20 With regards to the Maximum Zero Fuel Weight (MZFW):

A. It is lower than the Maximum Take-Off Weight by the weight of a payload.

B. 
It is the maximum weight that an aircraft can be loaded to without useable fuel.

C.
It is important as exceeding the MZFW may mean that there is insufficient lift to get
the aircraft airborne.

D. ls more relevant to aircraft with fuselage fuel tanks.

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