Rewiewer in DRRR

During Volcanic eruption, we need to do the following except which of these?

• Stay inside the house or evacuation area.

• Check that your pet or livestock have enough food.

• Protect yourself from ash fall.

• Clean house roofs first, to prevent damage to gutters and down-pipes.

After volcanic eruption, which of the following is correct?

• As soon as the ash fall has stopped, don't remove the ash.

• Don't wear dust mask before you start cleaning.

• The recommended method to clean the ash is to lightly damp the ash so that it does not swell when swept.

• Dump ash in sewage systems.

During volcanic eruption, which of the following is NOT appropriate?

• Close windows and doors to stop the ash from entering the house.

• Turn on all electric fans and air-conditioning units.

• Wear dust-mask or cover your face with clean wet towel or cloth to prevent ash from irritating the eyes and entering the respiratory track.

• Better to use bottled water. If you must use tap water, always boil water first before using.

Before the volcanic eruption, which of these is correct?

• Don't Stock enough non-perishable off and potable water.

• Be aware of the meanings of Alert Levels, and recommended actions.

• Don't listen to the radio's latest PHIVOLCS Alerts

• To remove ash from your car, wash with plenty of water

Which of the following is the meaning of the acronym 'PDZ'?

• Philippine disaster Zone

• Philippine Disaster and Hazard

• Permanent danger Zone

• None of These

Which of the following refers to the stream-like flows of incandescent molten rock erupted from a crater or fissure?

• Ash flow

• Lahar

• Lava Flow

• Pyroclastic flow

Gases and aerosols emitted into the sky which include hydrogen sulfide, water vapor, sulfur dioxide, hydrogen chloride, carbon monoxide and hydrogen fluoride are referred to which of these?

• Lava Flow

• Lahar

• Pyroclastic Flow

• Volcanic Gases

Which of the following refers an illustration or graphical representation of potential ground-based volcanic impacts?

• Hazard map

• Alert Levels

• Danger Zone

• None of These

Which of the following refers to baths of airborne fine- to coarse-grained volcanic particles that upshot from the columns of a volcanic eruption?

• Ash flow

• Lahar

• Lava Flow

• Pyroclastic flow

The Following are signs of an impending volcanic eruption except which of the following?

• Rise in the frequency of volcanic shaking

• Normal temperature of hot springs

• Amplified blistering activity

• Crater luminosity due to existence of magma