Health and Safety "(code BZ)

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Question 1. The concept of acceptable risk is based on what is an acceptable risk - is:
1) minimal risk of existing technical systems at any given time;
2) risk, which does not lead to loss of human life;
3) the risk that receives society at any given time;
4) minimal risk of existing technical systems at any given time.
Question 2. The biological risk factors include:
1) toxins and microorganisms;
2) the presence of harmful substances in the air;
3) radioactive dust;
4) pyrimidines and phenols.
Question 3. When evaluating the impact of electric current is set:
1) limiting step voltage;
2) the supply voltage of electrical currents and maximum consumption;
3) the maximum permissible contact voltage and currents flowing through the human body;
4) the maximum allowable voltage to ground and short-circuit current.
Question 4. The heat exchange with the environment takes place through:
1) mixing of air in the boundary layer;
2) convection;
3) convection and radiation;
4) diffusion.
Question 5. Ventilation provides:
1) pressure equalization inside and outside;
2) the regulatory parameters of the microclimate and the removal of harmful substances;
3) removal of harmful substances from the dome (lantern) building;
4) maintaining a safe temperature of the process equipment.

Task 2 (92)

Question 1: What is the logical character, which is described as <output event occurs if all input events occur simultaneously>:
1) <or>;
2) <exclusive-or>;
3) <Priority or>;
4) <and>.
Question 2. The sound pressure level in decibels is calculated with respect to:
1) Sound pressure threshold frequency;
2) a sound pressure threshold intensity;
3) Sound pressure pain threshold of intensity;
4) Sound pressure pain threshold frequency.
Question 3. The electrical current has on people:
1) electroplating, plating, and chemical action of the skin;
2) thermochemical and electrolytic action;
3) the thermal, chemical and biological effects;
4) thermal and mechanical action.
Question 4. tree branch hazards [Stop engine => Failure of the compressor => Errors in the design => Human Factor => General fault plane => loss of life] is built:
1) the direct method;
2) a posteriori;
3) reverse priori method;
4) incorrectly.
Question 5. If the implementation of the hazard is necessary to satisfy one of the conditions with the probability of their occurrence P1 and P2, the probability of realization is calculated as follows:
1) P = (1-P1) (1-P2);
2) P = 1- (1-P1) - (1-P2);
3) P = P1 + P2- P1P2;
4) P = P1P2- (P1 + P2).

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