5776652
Description
Quiz by tsampikos pompou, updated more than 1 year ago
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Created by tsampikos pompou
almost 8 years ago
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Question 1
Question
1 The International Standard Atmosphere specifies :
Answer
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O Standardized atmospheric values of temperature, pressure and density at all altitudes
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O Sea level conditions of atmospheric temperature, pressure and density
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O values of actual conditions of temperature, pressure and density that exist at all levels of the atmosphere.
Question 2
Question
2 The variable physical properties of the atmosphere that affect aircraft performance are:
Answer
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O temperature, pressure, density and humidity.
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O pressure, humidity and oxygen content
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O temperature, pressure and humidity.
Question 3
Question
3 The International Standard atmosphere assumes that the ambient temperature:
Answer
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O decreases with increase in height above the Earth.
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O will decrease with height only if an inversion layer is present.
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O increases with increase in height above the Earth.
Question 4
Question
4 The percentage oxygen content of the atmosphere at higher altitudes compared to that at lower altitudes :
Answer
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O remains constant, but the lower pressure makes it more difficult for the body to absorb oxygen
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O decreases due to the decreased air pressure.
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O falls, but since the quantity is adequate, the fall has little effect on the pilot at any altitude.
Question 5
Question
5 When compared with perfectly dry air at the same temperature and pressure, air which contains a maximum amount of water vapour will have a :
Answer
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O lower density
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O similar density
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O greater density
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O the pressure falls.
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O of the fall in water vapour content.
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O the temperature falls.
Question 6
Question
7 The definition of relative humidity is:
Answer
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O - the amount of water vapour present in the air compared to the maximum amount of water vapour the air could hold at the same temperature. This is expressed as a percentage.
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O - the percentage of water in a measured volume of air irrespective of temperature.
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O - the relative amount of water vapour in the air at any time.
Question 7
Question
8 A stall is characterised by :
Answer
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O a nose pitch down and aircraft sink.
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O a nose pitch up and aircraft sink
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O airspeed decay and wing drop
Question 8
Question
9 If air is maintained at a constant temperature and volume while its pressure is decreased, its density will:
Answer
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O decrease.
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O increase.
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O remain constant because the volume is constant.
Question 9
Question
10 The pressure of air flowing under the forward section of a wing in straight and level flight when compared with the free airflow will be:
Answer
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O higher.
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O lower.
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O the same
Question 10
Question
11 An aircraft in straight and level fight is in equilibrium when:
Answer
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O the weight equals lift and the drag equals the thrust.
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O the lift equals the drag and the thrust equals the weight.
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O the weight equals the drag and the lift equals the thrust.
Question 11
Question
12 A coefficient of lift reaches Its maximum value:
Answer
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O at or just prior to the stall.
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O between 4° and 6° angle of attack in straight and level flight.
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O at the minimum drag speed in the clean configuration.
Question 12
Question
13 The reason for 'washout' being designed into an aeroplane wing is to:
Answer
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O cause the inboard section of the wing to stall first.
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O cause the outboard section, of the wing to stall first.
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O decrease the effectiveness, of the ailerons.
Question 13
Question
14 The speed scale of an airspeed indicator is colour coded. The green band is:
Answer
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O the normal operating range (Vno)
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O the flap extension range (Vfe)
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O the caution range (Vne)
Question 14
Question
15 Deviation from the maintenance schedule specified in the Certificate of Airworthiness (C of A):
Answer
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O renders the C of A invalid until the specified maintenance is carried out.
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O will require the issue of a new C of A if the specified maintenance is not completed within 50 flying hours.
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O will not affect the C of A but invalidates any subsequent Certificate of Release to Service.
Question 15
Question
16 Ferrous objects in close proximity to a magnetic compass will:
Answer
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O induce significant errors in the magnetic heading indication.
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O not affect the magnetic compass as its housing is screened from magnetic field distortion.
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O not affect flight operations provided the heading indicator is synchronised with the magnetic compass before the ferrous items are brought on board.
Question 16
Question
17 Complete the following statement.
Answer
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O X :greatest Y: heavy Z : slow
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-greatest Y - light Z- high
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O X : least Y : heavy Z : slow
Question 17
Question
18 An aircraft that has been overstressed:
Answer
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O must be inspected by a qualified engineer before the next flight.
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O must be inspected by the pilot in command and if no defect is found, s/he will not be required to make an appropriate entry in the aircraft technical log.
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O must be inspected by at least two pilots licensed on the type, one of whom must be the pilot in command.
Question 18
Question
19 An increase in aircraft weight amongst other things will:
Answer
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O cause an increase in the stalling speed.
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O not effect the stalling speed.
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O cause a decrease in the stalling speed.
Question 19
Question
20 If an aircraft is maintaining a constant angle of attack but increases its airspeed, this will cause:
-
Answer
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O an increase of both lift and drag.
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O no change in lift generated by the wing, but an increase in airframe drag.
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O a decrease in lift but an increase in drag.
Question 20
Question
21 The valve which allows oil to either flow through or by-pass a serviceable engine oil cooler is:
Answer
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O temperature activated
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O pressure activated
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O manually activated.
Question 21
Question
22 The speed at which a particular aircraft stalls whilst in straight and level flight is 60kt. The approximate stalling speed of the same aircraft in a 60° bank turn would be:
Answer
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O 84kt.
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O 75kt.
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O 90kt.
Question 22
Question
23 An aeroplane wing will stall at a given:
Answer
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O angle of attack
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O angle of incidence
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O angle of lift
Question 23
Question
24 A stalling angle of attack is increased by 'slots' because:
Answer
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O they delay the break up of the smooth airflow over the wing.
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O they dump positive pressure airflow from under the wing.
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O they increase the effective wing area at the leading edge.
Question 24
Question
25 The consequence of an aircraft with its centre of gravity positioned at or very close to its designed aft limit could be
Answer
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O Greatly reduced applied elevator force during flare.
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O an increased applied elevator force during rotation.
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O an increased stalling speed.
Question 25
Question
26 As an aeroplane's True Air Speed (TAS) increases:
Answer
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O Induced drag decreases and parasite drag increases.
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O Parasite drag decreases and induced drag increases.
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O Induced drag increases and parasite drag increases
Question 26
Question
27 Induced Drag :
Answer
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O is reduced as airspeed increases
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O is not a factor of airspeed.
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O is increased as airspeed increases
Question 27
Question
28 The purpose of a control surface anti-balance tab is to:
Answer
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O ensure that the pilot's physical control load increases with increase of control surface deflection.
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O ensure the centre of pressure is maintained forward of the hinge line.
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O assist the pilot in moving the control surface.
Question 28
Question
29 If a flying control surface is fitted with a simple trim tab, any movement of the flying control surface in flight will result in the:
Answer
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O trim tab position remaining constant relative to the control surface.
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O trim tab moving to a new position and will have to be re-set.
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O trim tab position remaining constant relative to the airflow
Question 29
Question
30 The angle of attack of an aerofoil may be defined as:
Answer
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O the angle subtended by the aerofoil chord line and the relative airflow.
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O the angle subtended by the aerofoil chord line and the longitudinal axis.
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O the angle subtended by the aerofoil mean chord line and the horizontal.
Question 30
Question
31 In straight and level flight, the air flow over the wing's upper surface compared with the air flow unaffected by the wing Will have:
Answer
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O a greater velocity
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O a reduced velocity.
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O the same velocity.
Question 31
Question
32 When trailing edge flaps are extended, the stalling angle of attack, if measured between the relative airflow and the aerofoil cord line with flaps retracted, will be:
Answer
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O less
-
O greater.
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O the same.
Question 32
Question
33 The movement of an aeroplane about its normal (vertical) axis is known as:
Answer
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O yawing.
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O rolling.
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O side slipping.
Question 33
Question
34 Which of the following gives an aeroplane directional stability?
Answer
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O The fin
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O The rudder
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O The rudder and trim tab.
Question 34
Question
35 A flying control surface that is aerodynamically balanced:
Answer
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O has an area of the control surface forward of the hinge line.
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O has been modified with a trim tab.
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O uses a balance weight forward of the hinge line.
Question 35
Question
36 Differential aileron where the Up going aileron moves further than the down-going aileron is a design feature that helps to counteract:
Answer
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O adverse aileron drag.
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O aircraft inertia.
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O positive aircraft instability.
Question 36
Question
37 The centre of pressure by design is behind the aircraft centre of gravity which is balanced in straight and level flight by:
Answer
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O the tail plane producing a downward force.
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O the tail plane producing an upward force.
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O neither an upward or down ward tail plane force as the aircraft will be in equilibrium.
Question 37
Question
38 A flying Control lock :
Answer
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O locks controls on the ground! to prevent damage in windy conditions.
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O locks the trim tabs once straight and level cruise is established.
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O locks controls in flight to neutralise aerodynamic loads and ease the physical load on the pilot.
Question 38
Question
39 It is important to carry out regular checks for water in the fuel system, as the presence of water will cause:
Answer
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O fuel system contamination resulting in the loss of engine power.
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O the fuel to freeze.
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O intake and carburettor venturi icing.
Question 39
Question
40 The crankshaft in a piston engined aircraft:
Answer
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O converts reciprocating movement into rotary motion.
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O controls the clearance of the valves.
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O converts rotary motion into reciprocating movement.
Question 40
Question
41 After starting a cold engine, if the oil pressure gauge does not indicate within approximately 30 seconds:
Answer
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O the engine must be stopped immediately.
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O this may be ignored if the oil temperature is still low and the oil level was checked before start-up.
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O the engine RPM should be increased and the oil pressure re-checked.
Question 41
Question
42 If the starter warning light remains on after the starter button (starter switch) has been released:
Answer
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O the engine should be immediately stopped.
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O the alternator output level should be checked.
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O the engine RPM should be increased as it is too low.
Question 42
Question
43 Information regarding aircraft that may legally be fuelled with MOGAS may be found in:
Answer
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O CAA Airworthiness Notices
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O AICs
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O Notams
Question 43
Question
44 When refuelling, to ensure that the correct type of fuel is used, both the fuel itself and tank labels are colour coded. The primary colour for all labels relating to 100ll is ….(i)… and the colour of the fuel itself should be …..(ii)…..
Answer
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O i) red ii) blue
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O - i) black ii) red
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O i) blue ii) straw
Question 44
Question
45 The normal location of an electrically driven fuel boost pump is:
Answer
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O the lowest part of a fuel tank.
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O upstream of the engine driven pump.
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O the tank to tank fuel transfer line.
Question 45
Question
46 When a fuel priming pump is used before starting an engine, the fuel is normally delivered directly to:
Answer
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O the induction manifold or inlet valve port.
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O the carburettor float chamber.
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O the combustion chamber.
Question 46
Question
47 What is the function of an idle cut off valve in a piston engined aeroplane?
Answer
-
O It inhibits fuel flow from the discharge nozzle in the carburettor when selected.
-
O It controls engine slow-running via the carburettor idle jet.
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O changes fuel flow to the main jet from the idle jet when power is increased.
Question 47
Question
48 When leaning the fuel/air mixture at altitude, to achieve the most efficient mixture, the control is first moved towards the LEAN position until the engine RPM:
Answer
-
O Decreases. The mixture control is then moved slightly to the RICH side of peak RPM.
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O Increases. The mixture control is then left in that position.
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O Increases by approximately 50 RPM. The mixture control is then moved slightly more towards the LEAN position.
Question 48
Question
49 A piston engine fuel/ air mixture ratio, ideally, should be in the region of:
Answer
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O 1 :12 by weight.
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O 1:9 by volume.
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O 1 :7 by weight.
Question 49
Question
50 The restrictive throat of a carburettor venturi changes the characteristics of the air that passes through it. These are:
Answer
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O a drop in ambient pressure and velocity increase.
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O a dynamic pressure decrease and a velocity increase.
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O a dynamic pressure increase and a velocity decrease.
Question 50
Question
51. Which of the following prevents excessive engine oil pressures?
Answer
-
O An oil pressure relief valve.
-
O A vernier therm
-
O A filter by-pass valve.
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