Av safety sec B

The current used in domestic 220-240 volt, 50Hz (a)   electricity is particularly dangerous.

When carrying out maintenance tasks such as engine ground runs, or system (a)   checks, ensure that the correct fire extinguishing appliances are available.

Several systems, especially flight controls and landing gear, are equipped with locks. These are designed to safety (a)   actuators during maintenance.

The (a)   and radiation effects of weather radar can be hazardous to life.

A fire requires three components to burn, and the (a)   of any one of these components will extinguish the fire.

Oil or grease on an oxygen cylinder can cause spontaneous (a)   and explosions.

The equipment/machine guards and (a)   covers must never be removed or disabled.

There should be no (a)   operations in progress during the testing of weather radar.

Fire results from the chemical reaction that occurs when (a)   combines rapidly with fuel to produce heat.

The color of the symbol for Class C fire is (a)