SIA CCTV Operator Practice Test 2026: Teste prático 4

Teste prático 4 de 5 — SIA CCTV Operator Practice Test: mais 25 perguntas com respostas e explicações.

  • Segurança privada
  • Reino Unido
  • 119 perguntas
  • Verificado em 10 de outubro de 2026
  1. Pergunta 1 de 25

    In the UK, a fire extinguisher with a black label or band contains:
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    Resposta: D. Carbon dioxide (CO2)

    All extinguishers have red bodies with a coloured band: red for water, cream for foam, blue for dry powder, black for CO2 and yellow for wet chemical.

  2. Pergunta 2 de 25

    Which right in the Human Rights Act is most affected when a security operative detains someone?
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    Resposta: A. The right to liberty and security (Article 5)

    Detaining someone takes away their liberty. Any arrest must be lawful, or it may breach Article 5 and be false imprisonment.

  3. Pergunta 3 de 25

    Which group of people is most likely to be vulnerable at a venue?
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    Resposta: C. Someone very drunk and alone

    Vulnerability can come from alcohol or drugs, being alone, age, mental health or being targeted by others.

  4. Pergunta 4 de 25

    What colour band is on a foam extinguisher?
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    Resposta: A. Cream

    Foam extinguishers have a cream band. They are used on Class A and Class B fires.

  5. Pergunta 5 de 25

    Which class of fire involves solid materials such as wood, paper and textiles?
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    Resposta: B. Class A

    Class A is solids, Class B flammable liquids, Class C flammable gases, Class D metals and Class F cooking oils and fats.

  6. Pergunta 6 de 25

    How many terrorism threat levels does the UK use?
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    Resposta: A. 5

    The levels are low, moderate, substantial, severe and critical.

  7. Pergunta 7 de 25

    Under data protection law, what is "personal data"?
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    Resposta: A. Information about an identifiable living person

    Personal data includes names, images, CCTV footage and notes that can identify someone.

  8. Pergunta 8 de 25

    Under section 24A of PACE, when may a non-police officer make an arrest?
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    Resposta: A. When a police officer cannot reasonably make the arrest instead and it is necessary for a listed reason

    The arrest must be necessary, for example to stop the person causing injury or damage or making off, and it must not be reasonably practicable for a constable to do it.

  9. Pergunta 9 de 25

    What does a blue circular safety sign mean?
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    Resposta: A. Something you must do, such as wear protective equipment

    Blue signs are mandatory. Red signs show prohibitions or fire equipment, yellow signs warn of hazards, and green signs show safe conditions such as escape routes.

  10. Pergunta 10 de 25

    Which sign may show that a colleague is struggling after a traumatic incident?
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    Resposta: B. Trouble sleeping, flashbacks or avoiding the place where it happened

    These can be signs of stress or post-traumatic stress. Colleagues should be encouraged to seek support.

  11. Pergunta 11 de 25

    What is the standard of proof in a criminal court?
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    Resposta: A. Beyond reasonable doubt

    The prosecution must prove guilt beyond reasonable doubt. Civil cases use the lower standard of the balance of probabilities.

  12. Pergunta 12 de 25

    Which is a rule for keeping a pocket notebook?
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    Resposta: B. Make entries in time order and leave no blank spaces

    Entries should be in order, in ink, with no gaps or torn-out pages, so nothing can be added later.

  13. Pergunta 13 de 25

    Which of these is a protected characteristic under the Equality Act 2010?
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    Resposta: C. Religion or belief

    Religion or belief is one of the nine protected characteristics. Refusing service because of one of them can be unlawful discrimination.

  14. Pergunta 14 de 25

    What is "county lines"?
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    Resposta: C. Gangs using children and vulnerable people to move and sell drugs across areas

    Security operatives should watch for signs of exploitation, such as young people out late with unexplained money or phones, and report concerns.

  15. Pergunta 15 de 25

    Which extinguisher is suitable for a fire in electrical equipment?
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    Resposta: D. Carbon dioxide (CO2)

    CO2 does not conduct electricity and leaves no residue. Never use water on electrical fires.

  16. Pergunta 16 de 25

    In the 4 Cs approach to a suspicious item, what does "Clear" mean?
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    Resposta: A. Move people away from the item to a safe distance

    The 4 Cs are Confirm, Clear, Communicate and Control. Never touch or move the item.

  17. Pergunta 17 de 25

    What is one of the SIA's main functions?
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    Resposta: C. Licensing individuals who work in designated security activities

    The SIA licenses individuals, runs the Approved Contractor Scheme and works to raise standards in the industry.

  18. Pergunta 18 de 25

    In the HOT principle for unattended items, what does the H stand for?
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    Resposta: A. Hidden

    HOT asks whether the item is Hidden, Obviously suspicious, and not Typical of what you would expect in that place.

  19. Pergunta 19 de 25

    In England and Wales, under section 24A of the Police and Criminal Evidence Act 1984, a person who is not a police officer may arrest without a warrant for:
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    Resposta: D. An indictable offence

    Section 24A powers apply only to indictable offences, such as theft or assault causing injury, and only when further conditions are met.

  20. Pergunta 20 de 25

    When should an incident report be written?
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    Resposta: D. As soon as possible after the incident

    Reports written soon after an event are more accurate and carry more weight as evidence.

  21. Pergunta 21 de 25

    Which law covers fire safety in most non-domestic premises in England and Wales?
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    Resposta: B. The Regulatory Reform (Fire Safety) Order 2005

    The Fire Safety Order applies in England and Wales. Scotland has the Fire (Scotland) Act 2005, and Northern Ireland has its own fire safety laws.

  22. Pergunta 22 de 25

    Which is a barrier to effective communication?
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    Resposta: A. Loud background noise

    Noise, language differences, intoxication and strong emotions can all stop a message being understood.

  23. Pergunta 23 de 25

    Which is an example of non-verbal communication?
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    Resposta: B. Facial expressions and body posture

    Non-verbal communication includes body language, gestures, facial expressions and eye contact. It can say more than words.

  24. Pergunta 24 de 25

    In Scotland, what is the legal basis for an arrest by a private citizen?
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    Resposta: C. Common law

    PACE does not apply in Scotland. A citizen's arrest there is based on common law, generally for a serious crime the person has seen being committed.

  25. Pergunta 25 de 25

    Why should fire doors be kept closed?
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    Resposta: A. To slow the spread of fire and smoke

    Fire doors hold back fire and smoke so people have time to escape. Wedging them open defeats their purpose.

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