Configuration Layout Considerations - Aural Signature Online Exam Quiz
Configuration Layout Considerations - Aural Signature GK Quiz. Question and Answers related to Configuration Layout Considerations - Aural Signature. MCQ (Multiple Choice Questions with answers about Configuration Layout Considerations - Aural Signature
An aircraft does not emit any IR radiation.
Options
A : TRUE
B : FALSE
C : -
D : -
By directing the exhaust away from the ground we can ___
Options
A : reduce the aural signature
B : increase the aural signature
C : increase noise
D : noise is not dependent on the direction of exhaust
Calculate the irradiance E in W/cm2 if, radiant intensity I is 10 W/sr and range R is 10cm.
Options
A : 0.1
B : 0.001
C : 0.45
D : 10
How to reduce engine noise?
Options
A : By using chevron nozzle
B : By using high velocity jet
C : Using small diameter and high velocity jet
D : Higher exhaust jet with less diameter of exhaust
In general, an IR detector will respond to?
Options
A : Irradiance
B : Rotational fluid
C : Rotational force
D : RCS
Let's consider a propeller aircraft propeller diameter of 24 feet then, what would be the minimum value of clearance that is required for safe operation of propeller typically?
Options
A : 6ft
B : 8ft
C : 10ft
D : 20ft
Propeller aircraft experiences internal noise.
Options
A : TRUE
B : FALSE
C : -
D : -
To reduce aural signatures of engine exhaust, we can use ___
Options
A : insulating material
B : lofting
C : drafting
D : non-insulating material
To reduce piston exhaust noise __
Options
A : we can use more mufflers
B : mufflers can be used only
C : reduce lift always
D : increase jet speed always
What is an IR signature of an aircraft?
Options
A : Total of detectable emissions and reflections
B : Sum of some emissions only
C : Only reflections
D : Only refraction
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