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ОБЖ2

хомяк убийца 100 preguntas 1.254 visitas 5,0 (2 valoraciones) Actualizado el 21 dic 2018

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Preguntas del test (100)

  1. 1Chaotic position sounds of different frequencies and intensities:
    1. Anoise;
    2. Bsound;
    3. Cwave;
    4. Dphysical noise;
    5. Ephysiological noise
  2. 2Effect on the human hearing system alternating waves of compression and expansion:
    1. Anoise;
    2. Bphysical noise;
    3. Cwave;
    4. Dsound;
    5. Ephysiological noise.
  3. 3Какими параметрами звуковых волн характеризуется шум как физическое явление?(вот так сюрпрайз, вопросик на русском)
    1. Aчастота (f) и скорость (v);
    2. Bколебания и звуковое давление (p);
    3. Cинтенсивность звука (J) и звуковая мощность (N);
    4. Dплотность звуковой энергии (E);
    5. Eall of the answers are correct
  4. 4Frequency of the sound is measured?
    1. AV
    2. BHz
    3. CW
    4. DA
    5. EPa
  5. 5Range of sound perceived by the human ear, limited hearing thresholds and pain sensation related to the frequency:
    1. A16-20000 Hz;
    2. B10-16000 Hz;
    3. C5000-8000 Hz;
    4. D800-6000 Hz;
    5. Eall of the answers are wrong
  6. 6Depend on temporal characteristics noises are divided into:
    1. Amechanical, aerodynamic, hydrodynamic and electromagnetic;
    2. Bmechanical, aerodynamic;
    3. Cpermanent and non-permanent
    4. Doctave, one-third and half-octave;
    5. Eall of the answers are wrong
  7. 7Noise of natural origin are divided into:
    1. Amechanical, aerodynamic, hydrodynamic and electromagnetic
    2. Bmechanical, aerodynamic;
    3. Cpermanent and non-permanent;
    4. Doctave, one-third and half-octave;
    5. Eall of the answers are wrong
  8. 8For approximate estimation (in most cases, when the spectrum is unknown) is allowed the characteristic of the constant noise in the workplace to take the sound level in:
    1. AHz
    2. BdBA
    3. CV
    4. DA
    5. EPa
  9. 9Noise protection facilities used in industrial plants, divided into:
    1. AArchitectural and planning, organizational and technical;
    2. Bcollective and personal protective equipment;
    3. Carchitectural and planning, organizational and technical, collective and personal protection;
    4. DArchitectural and planning
    5. Eall of the answers are wrong
  10. 10Depending on the method of transmission of vibrations to the human body are distinguished:
    1. Astrong and weak;
    2. Bfast and slow;
    3. Cintensive and non-intensive
    4. DLocal and general;
    5. Eall of the answers are wrong

Información

Descripción
- at Test sobre ОБЖ2, creado por хомяк убийца el 16/12/2018.
Idioma
English
Visitas
1.254
Historial
Creado el 16 dic 2018 · actualizado el 21 dic 2018
Etiquetas
at-
Valoración
5,0 de 5 · 2 valoraciones
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