Euler Angles

Which of the following is the correct option?

• i-Roll ; j - yaw; k-Pitch

• i - Pitch; j - Roll , k - Yaw

• i - Roll; 2 - Pitch; 3 - Yaw

How many attitude co-ordinates does a particular Euler Angle set contain?

• 3

• 1

• 2

• 4

How many sets of Euler Angle combinations are there?

• 12

• 14

• 27

"Euler Angles are sequential rotations". What does this mean?

• Only the order and axis of rotation matters

• The axis, direction and order of rotations matters

• Only the order and direction of rotations matters

• None of the above

1-2-1 is what type of rotation? Symmetric or Asymmetric?

Performing rotation about the roll axis by 20 degrees can be mapped into which of the following DCM's?

• [1 0 0

  0 0.99 0.76

  0 -0.76 0.99]

• [1 0 0

  0 0.94 0.34

  0 -0.34 0.94]

• [-1 0 0

  0 -0.94 0.34

  0 0.34 0.94]

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