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  • 問題数 68 • 1/31/2025

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  • 1

    Which of the following is/are true about lava flows? I. Lava flow can bury, crash over, and burn everything in their path. II. It threatens human life because it usually moves slowly. III. It is mostly characterized as quite effusion of lava. IV. It can trigger dangerous pyroclastic flows.

    I, II, III and IV

  • 2

    Which of the following should be given consideration in risk assessment?

    probability and impact

  • 3

    Earth need volcanoes because volcanoes..

    help earth release internal heat and pressure

  • 4

    Which group belongs to the most vulnerable sector of the community?

    indigenous people

  • 5

    Which of the following is the least factor that affects the intensity of ground*shaking?

    The earth-moving machinery

  • 6

    The LEAST use of hazard map among the following is ______.

    Public aid guidelines

  • 7

    Watch for flooding which may occur after landslide ir debris flow

    After

  • 8

    Which of the following statements is not about volcanic hazards?

    Volcanic hazard can even directly affect the political satbility of the country.

  • 9

    This volcanic hazard is considered to be the most dangerous of all

    PDCs

  • 10

    A volcanic eruption can alter the climate because

    volcanic dust and gas in the upper atmosphere reflect and absorb solar radiation

  • 11

    It refers to knowing all the agents in a certain workplace thatcan cause*accidents or any type of harm.

    hazard identification

  • 12

    A volcano that has erupted in recorded history is said to be...

    active

  • 13

    Learn about your community warning systems and emergency plans

    Before

  • 14

    Which of the following is NOT TRUE about reduction of earthquake risks?

    Careful analysis and interpretation of ground shaking is unnecessary.

  • 15

    which of the following characteristics of magma mainly affects the explosiveness of a volcanic eruption?

    silica content

  • 16

    Stay alert and awake

    During

  • 17

    Arrange the steps in risk assessment*I.  Monitoring and checking the changesII.  Decide on necessary changes.III.  Identify the hazard.IV.  Assess the risk

    III, IV, II, and I

  • 18

    The following are things to be done during an earthquake, except...

    Direct learners to move to an open area when they are outside a building or any structure.

  • 19

    Jason and James are both working in the same chemical laboratory and are*both exposed to same kind and amount of hazardous chemicals. Jason, hasweaker immune system than James. Between them, who is LESS vulnerable todevelop a disease caused by chemical exposure?

    James

  • 20

    Scrape off ashes to prevent heavy loading of the house's roof

    During

  • 21

    One of the impacts of disaster is the displacement of a population.Which*does it belong?

    physical

  • 22

    The higher the chance a risk will happen and the greater the severity of the*impact, the _______ is the priority that should be given to a risk.

    higher

  • 23

    Develop evacuation plans and conduct evacuation drills

    Before

  • 24

    Volcanoes are NOT found at this location:

    along plains with thick deposits

  • 25

    Mount Kanlaon is an example of which type of volcano?

    composite

  • 26

    Which of the following volcanic gases when react with water in the atmosphere yields a compound called acid rain?

    Sulfur dioxide

  • 27

    It is not best to ______ when you are under a volcano warning.

    just stay home to protect your properties

  • 28

    Which of the following is not and indicator of volcanic eruption?

    weather patterns

  • 29

    The map that highlights areas which are affected by or are vulnerable to a particular disaster is called..

    Hazard map

  • 30

    which of the following is a major volcanic hazard that consists of a fast-moving, dense mixture of hot gas, ash, and debris that can travel down volcanic slopes at high speeds, causing significant destruction?

    Pyroclastic flow

  • 31

    volcanic eruptions cause destruction, but they are also _____

    beneficial because they provide usable minerals

  • 32

    High vulnerability level and high hazard status are associated with ___.

    high disaster risk

  • 33

    Acid rain is an example of what category  of hazard?

    quasi-natural hazard

  • 34

    Which volcano alert level is described as "Moderate Unrest" and could eventually lead to eruption?

    Alert level 2

  • 35

    The following are reasons that makes a community more vulnerable to hazard*except

    Strict implementation and compliance of the building code.

  • 36

    The following are commonly observed signs that a volcano is about to erupt EXCEPT:

    Decrease in the frequency of volcanic quakes with rumbling sounds, occurrence of volcanic tremors.

  • 37

    Which of the following is/are negative impacts of lahar? I. It can destroy bridges, roads, houses by direct impact. II. It can bury vallies and communities with debris. III. It can block tributary stream and form a lake. IV. It can burn sites with hot rock debris.

    I, II, and III

  • 38

     After the earthquake, we are advised not to open our gas stove or light a*candle due to possible gas leakage.  This is because of this secondary effect ofearthquake

    fire

  • 39

    This hazard is considered to be the most dangerous of all

    PDCs

  • 40

    Which of the following is a parameter used to monitor volcanoes by observing the surface of the volcano for any changes?

    ground deformation

  • 41

    Which is NOT a tool provided by the government to protect vulnerable*communities?

    Funding Army corps of Engineering projects to build bridges

  • 42

    The Amazon rainforest was thought to have 2.5 million species of insects. It*used to be referred to as the “Lungs of the Planet” because it produces morethan 20% of the world’s oxygen. In September 18, 2019, it burned at a rate notseen in almost a decade. What type of hazard impact did this incident bring?

    environmental

  • 43

    which of the following is not an indicator of volcanic eru

    weather patterns

  • 44

    Which is an example of Natural Hazard?

    avalanche

  • 45

    Why are coastal communities try to educate visitors and new residents about*natural hazards?

    For awareness and mitigation

  • 46

    Which impact of a hazard falls under economic?

    retrenchment of employees in manufacturing companies

  • 47

    Which of the following contains a high-density mix of hot lava blocks, pumice, ash and volcanic gas?

    pyroclastic flows

  • 48

    Why do you think the total number of deaths attributable to natural hazards*have risen overall?This is due to….

    human populations are increasing in areas that are vulnerable

  • 49

    Which is the risk in the given situation?

    potential occurrence of fire

  • 50

    Earth needs volcanoes because volcanoes....

    help Earth release internal heat and pressure

  • 51

    Which of the following factors is not needed for liquefaction to occur?

    compacted soil

  • 52

    The Permanent Danger Zone (PDZ) is mostly ______ area.

    6 km

  • 53

    “Vulnerability is situation specific” means ……..

    Vulnerability of a certain community depends on the level of preparedness

  • 54

    Which secondary effect of an earthquake is described as collapse of*buildings caused by earthquake vibrating water-saturated fill or unconsolidated soil?

    liquefaction

  • 55

    Close windows and doors to reduce entry of ash if heavy ash fall is expected to hit the community

    before

  • 56

    a volcano that is not erupting at present, has not been known to have erupted in recent recorded history, but has the potential to erupt in the future is/an ______ volcano.

    inactive

  • 57

    As a construction worker, Tyrel works in height, thus is prone to fall. He is*well-trained and wears protective equipment.  Which is considered as the risk inthis scenario?

    potential fall

  • 58

    a type of volcano that is mostly associated in subduction zones along convergent plate

    composite cones

  • 59

    Which of the following statements is true? I. One warning sign observed is enough to predict and eruption. II. One warning sign observed is not enough to predict and eruption. III. Small changes recorded from an instrument is enough to predict an eruption. IV. Small changes recorded from an instrument is not enough to predict an eruption.

    II and IV

  • 60

    The following factors can help lessen the vulnerability of acommunity*EXCEPT __.

    provisions of housing on areas that have fault lines in the vicinity

  • 61

    Which of the following earthquake hazards is characterized by the tearing of*the ground causing structures above it to be damage?

    ground rupture

  • 62

    Which volcanic hazard is quite dangerous for it can collapse rooftops when they're being saturated with water?

    ash fall

  • 63

    Vergel suffers from a mental depression after he lost his job whenthe*company where he used to work retrenched many of itsemployees. Whichtype of hazard impact does this belongs?

    psychological

  • 64

    Which intensity scale is described by the situation below? (Based on the*PEIS).  Hanging cabinets swung violently; shaking of leaves and twigs of trees arenoticeable; strong shaking and rocking are felt; and generally felt by most peopleindoors and outdoors.

    Intensity V

  • 65

    which of the following events does not indicate and impending eruption?

    eroded area of the volcano after heavy rain

  • 66

    What do you call the streams of molten rock that are poured or oozed from an erupting vent of a volcano?

    lava flows

  • 67

    Which gas is not commonly found in magma?

    methane

  • 68

    Which is an active volcano?

    Mount Hibok-hibok