HMD has less accuracy than HUD when it comes to the unguided weapon. - Avionics MCQ

Aeronautical & Aerospace Engineering : Avionics - Quiz(MCQ)

HMD has less accuracy than HUD when it comes to the unguided weapon.

A)

True

B)

False

C)

Both (A) and (B)

D)

None of the above

Correct Answer : True

Explanation : Dealing with guided weapons system such as missiles and laser-guided bombs the accuracy of HMD is adequate enough but for unguided weapons such as guns, unguided bombs, and rockets the accuracy is not yet feasible since the HMD is constantly moving with the pilots head. Currently, the boresight angles for HMD are 8 to 10 mRad, whereas for HUD it is 1.5 to 2 mRad.

Recently Updated in Avionics Questions

Only the pilot of a particular aircraft can use its DVI control system?

A)

True

B)

False

C)

Can Not Say

D)

None of the above

Correct Answer : Option (B) : False

Explanation : The DVI control system is a universal system which can recognize the voice of anyone if spoken clearly. This is done for maintenance purposes and for an emergency.

The DVI control system need not be super sensitive to the voice of the pilot.

A)

True

B)

False

C)

Can Not Say

D)

None of the above

Correct Answer : Option (B) : False

Explanation : The DVI control system must be super sensitive to the voice of the pilot so that it can be operated in cockpit noise environment. In a fast jet combat aircraft, the background noise levels can be very high.

What are isolated word recognizers?

A)

System that is not fully voice commanded

B)

Systems that can recognize anyone’s voice

C)

Systems that require a pause between each word to recognize

D)

Systems that only accept one-word command

Correct Answer : Option (C) : Systems that require a pause between each word to recognize

Explanation : An isolated word recognizer requires pauses between each word said as it cannot recognize fully connected speech. The DVI control in an aircraft must not be an isolated voice recognizer to ensure smooth man-machine interface.

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