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Guide for IR (A) - Aircraft General Knowledge Instrumentation Practice Exam

Quiz IR (A) - Aircraft General Knowledge Instrumentation Practice Exam

10/1013 Questions|Updated on 2024/06/08
Free Test
/ 10

Quiz

1/10
Oxygen Systems
One of the most significant dangers related to the use of the on-board oxygen system is that...
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

Quiz

2/10
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
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

Quiz

3/10
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
1 correct answer
A.
1, 5
B.
1, 3
C.
2, 3, 4
D.
3, 4, 5

Quiz

4/10
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
1 correct answer
A.
the loops are faulty
B.
the engine is on fire
C.
everything is normal
D.
the system is under test

Quiz

5/10
Piston Engines
An intercooler fitted between a supercharger and the inlet manifold will...
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

Quiz

6/10
Electrics
A lithium-ion battery is most unsafe when the battery...
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

Quiz

7/10
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
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

Quiz

8/10
Hydraulics
Why is it important to remove hydraulic fluid that has spilled onto the aircraft as soon as possible?
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

Quiz

9/10
Airframe
An abortive (hung) start is the term used to describe an attempt to start in which the engine:
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

Quiz

10/10
Anti-icing And De-icing Systems
Where installed, airborne fluid anti-icing systems are mainly used on..
Select the answer
1 correct answer
A.
engine intakes
B.
engine pylons
C.
pitot probes
D.
wing leading edges
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Info quiz:

  • Quiz name:IR (A) - 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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