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Quiz
Question 1/101/10
Oxygen Systems
Oxygen Systems
Oxygen Systems
One of the most significant dangers related to the use of the on-board oxygen system is that...
Select the answer:Select the answer
1 correct answer
A.
the oxygen, in contact with oil or grease, causes a chemical reaction that can lead to spontaneous combustion
B.
at high altitude and low surrounding atmospheric pressure, the debit flow of the oxygen is insufficient for normal respiration
C.
after maintenance, there is always a remainder of lubricant (e.g. oil or grease) in the oxygen lines, producing toxic gases
D.
fungus can grow in the oxygen lines because of the high humidity of the on-board environment
The oxygen, in contact with oil or grease, causes a chemical reaction that can lead to spontaneous combustion.
Right Answer: A
Quiz
Question 2/102/10
Flight Controls
Flight Controls
Flight Controls
Consider the following situation, the rudder ratio limiter of an aircraft gets stuck in high-speed/high altitude mode when decelerating for the approach. Which of the following statements is correct?
Select the answer:Select the answer
1 correct answer
A.
Increased maximum operating speed
B.
Reduced crosswind limitation
C.
A greater flap setting will be required
D.
Greater rudder authority during approach
The rudder ratio limiter getting stuck in high-speed/high altitude mode when decelerating for the approach will result in a reduced crosswind limitation. This is because a stuck rudder ratio limiter can affect the aircraft's control effectiveness, especially during crosswind conditions.
Right Answer: B
Quiz
Question 3/103/10
Turbine Engines
Turbine Engines
Turbine Engines
Consider a jet engine whose control is based on the Engine Pressure Ratio (EPR): with a constant EPR, the thrust decreases when the altitude increaseswith a constant EPR, the thrust is independent of the Mach numberAt same environmental conditions, a given EPR setting maintains the thrust irrespective of engine wear due to ageing.the EPR is determined by the total pressure difference between the turbine outlet and the compressor inlet on take-off, in the event of icing not detected by the crew, the indicated EPR is lower than the real EPRThe combination that regroups all of the correct statements is:
Select the answer:Select the answer
1 correct answer
A.
1, 5
B.
1, 3
C.
2, 3, 4
D.
3, 4, 5
The correct combination of statements is 1 and 3. With a constant EPR, the thrust decreases when the altitude increases and at the same environmental conditions, a given EPR setting maintains the thrust irrespective of engine wear due to aging.
Right Answer: B
Quiz
Question 4/104/10
Protection And Detection Systems
Protection And Detection Systems
Protection And Detection Systems
If the two loops of an engine fire detection system detect a low resistance and a low capacity:
Select the answer:Select the answer
1 correct answer
A.
the loops are faulty
B.
the engine is on fire
C.
everything is normal
D.
the system is under test
If the two loops of an engine fire detection system detect a low resistance and a low capacity, it indicates that the loops are faulty.
Right Answer: A
Quiz
Question 5/105/10
Piston Engines
Piston Engines
Piston Engines
An intercooler fitted between a supercharger and the inlet manifold will...
Select the answer:Select the answer
1 correct answer
A.
reduce the mass flow through the engine
B.
increase the combustion temperature
C.
reduce pre-ignition
D.
minimise the risk of detonation
An intercooler fitted between a supercharger and the inlet manifold will help reduce the temperature of the compressed air before it enters the engine, which can minimize the risk of detonation.
Right Answer: D
Quiz
Question 6/106/10
Electrics
Electrics
Electrics
A lithium-ion battery is most unsafe when the battery...
Select the answer:Select the answer
1 correct answer
A.
has an internal short circuit
B.
is charged rapidly
C.
has a very low charge
D.
is discharged quickly
Lithium-ion batteries are most unsafe when they have an internal short circuit, as this can lead to thermal runaway and potentially cause a fire or explosion.
Right Answer: A
Quiz
Question 7/107/10
Landing Gear, Wheels, Tyres, Brakes
Landing Gear, Wheels, Tyres, Brakes
Landing Gear, Wheels, Tyres, Brakes
A helicopter is equipped with a retractable undercarriage. What happens if the pilot selects UP with the landing gear lever when the helicopter is still on the ground?
Select the answer:Select the answer
1 correct answer
A.
The landing gear starts to retract even with the ground safety pin installed
B.
Only those wheels without a microswitch contact will retract
C.
If the ground safety pin has also been removed, the landing gear starts to retract
D.
As long as the helicopter remains on the ground the landing gear retraction process is inhibited
The landing gear retraction process is inhibited as long as the helicopter remains on the ground.
Right Answer: D
Quiz
Question 8/108/10
Hydraulics
Hydraulics
Hydraulics
Why is it important to remove hydraulic fluid that has spilled onto the aircraft as soon as possible?
Select the answer:Select the answer
1 correct answer
A.
To minimise environmental damage
B.
To prevent skin corrosion
C.
To reduce friction drag
D.
To protect against lightning strikes
It is important to remove hydraulic fluid that has spilled onto the aircraft as soon as possible to prevent skin corrosion.
Right Answer: B
Quiz
Question 9/109/10
Airframe
Airframe
Airframe
An abortive (hung) start is the term used to describe an attempt to start in which the engine:
Select the answer:Select the answer
1 correct answer
A.
lights up, but fails to accelerate sufficiently
B.
fails to light up
C.
commences initial rotation, but fails to receive any fuel
D.
will not rotate
An abortive (hung) start is when the engine lights up during start-up but fails to accelerate sufficiently.
Right Answer: A
Quiz
Question 10/1010/10
Anti-icing And De-icing Systems
Anti-icing And De-icing Systems
Anti-icing And De-icing Systems
Where installed, airborne fluid anti-icing systems are mainly used on..
Select the answer:Select the answer
1 correct answer
A.
engine intakes
B.
engine pylons
C.
pitot probes
D.
wing leading edges
Airborne fluid anti-icing systems are mainly used on wing leading edges to prevent ice formation.
IR (H) - Aircraft General Knowledge Instrumentation Practice Exam Practice test unlocks all online simulator questions
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Info quiz:
Quiz name:IR (H) - Aircraft General Knowledge Instrumentation Practice Exam
Total number of questions:1013
Number of questions for the test:100
Pass score:70%
Number of topics:13 Topics
Study topics:Number of questions:
Airframe:46 Questions
Anti-icing And De-icing Systems:22 Questions
Electrics:166 Questions
Flight Controls:80 Questions
Fuel System:56 Questions
Hydraulics:49 Questions
Landing Gear, Wheels, Tyres, Brakes:73 Questions
Oxygen Systems:39 Questions
Piston Engines:144 Questions
Pneumatics - Pressurisation And Air-conditioning Systems:37 Questions
Protection And Detection Systems:37 Questions
System Design, Loads, Stresses, Maintenance:60 Questions
Turbine Engines:204 Questions
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