INS IRS FMS

#26. The triangular cavity in a RLG is filled with which combination of gasses?

• AHelium and argon.
• BHydrogen and neon
• CHelium and neon.
• DHydrogen and argon.

#1. What is the Schuler period?

• A48 minutes.
• B84 seconds.
• C48 seconds.
• D84 minutes.

#2. To obtain heading information from a gyro-stabilised platform, the gyros should be?

• A1 degree of freedom and a horizontal axis.
• B1 degrees of freedom and a vertical axis.
• C2 degree of freedom and a horizontal axis.
• D2 degree of freedom and a vertical axis.