Exam 2023 with complete solution
When bending there is bending torque generated in the bar cross sections and as a
result the bar bends ... REAL EXAM
however, no change in length occurs.
Which engine structure uses bent beams supported by vibration dampers and grid
bars? REAL EXAM
Mixed engine suspension.
In a turn the load factor is REAL EXAM
n>1
A bar cross section is exposed to which of the following stresses when the resultant
force of a system of forces acting on one side of the cross-section rotates around the
bar axis
Twist
Push rod actuate control surfaces are protected against warping by
Pipe cross-section rods.
Anti-corrosion treatment of wooden surfaces is provided by
Painting.
In which system does the cam directly touch the valve stem
OHC (Over Head Camshaft).
Battery electrolyte level is correct if it is ... above the upper part of the lamellae if not ...
should be poured into the cells
approximately 1-1.5 cm - distilled water
Should the alternator fail what voltage is indicated by the voltmeter in a system with a
charged 14V battery? REAL EXAM
Approximately 12V which will gradually decrease.
On a bellow type variometer
The pressure in the case is static pressure and in the bellow is static pressure
When the engine tends to overheat? REAL EXAM
Low RPM and high speed
In accordance with the procedure prescribed by the manufacturer after leaning of the
mixture
the ratio is around 1:15
Pressure measured in the pitot tube..
the sum of dynamic and static
Pressure measured on the static port:
the difference between total pressure and dynamic pressure
The pressure which is driven into the house of airspeed indicator is REAL EXAM
static pressure
What could the explanation be if the rate of climb reading is 0 regardless we climb or
descend? REAL EXAM
static port is clogged
The attitude indicator is useful in low visibility conditions as the AoA easily can be
monitored.
, False
An airplane is designed for n=+4.4 . What will happen if load factor is raised over this
value?
Permanent damage or breakage can occur
The main stress forms on a wing:
Bending, twist and shear
The wing is covered with layered metal sheets so it can resist
Bending load
On a cruise oriented, fixed pitch propeller...
pitch is set to coarse, so high thrust is available at high speeds
Fibre-reinforced materials enable significant weight savings, and they are almost as
rigid as other construction materials.
True.
Which statement is true?
Low pressure tyres are usually inflated to 2 bars, and they are able to absorb large
amount of forces.
Riveting is a ...
permanent mechanical fastener.
Which statement is correct?
Fluctuating oil pressure is an indication of a serious malfunction in the oil system.
Knocking can occur in the following cases: too ... octane fuel in comparison with
compression ration, ... mixture, when manifold pressure is ... and RPM is ... on constant
speed propeller aeroplanes.
low - over-lean - high - low
Most ... fail to output sufficient voltage, however, this statement is not true for ...
DC generators - alternators
Engine driven fuel pumps are usually ...
pumps with lift levers and diaphragms.
If a thin bar is exposed to critical braking force ...
after the cessation of the lateral force, the bar will undergo temporary deformation.
Which statement is true?
Ignition is timed to ignite shortly before upper dead center related to the engine speed
The pitot-static pressure can be monitored with the suction gauge
False.
When ISA conditions are present, on seal level, with no wind, which of the followings is
true?
GS,CAS,TAS is equal
If forces of identical magnitude act in opposite directions and an unlimitedly small
distance each other and in parallel with the cross-section plane, it is called ...
shear stress
Which control surface force reduction system uses pressure difference between the
area above and below the membrane mounted to control surface leading edge?
Irwing compensation.
In a forced-circulation lubrication system ...
a gear pump transfers the pressurised oil to lubrication points.