Topic: Hygienic evaluation of the temperature-humidity conditions in the rooms. Hygienic evaluation of air movement direction and speed.

Author: Teklyuk Ruslan, Lecturer / Teacher of Hygiene and Ecology Department

 

 

The 1^st level tests

 

1. Give the definition of "microclimate":
   A. * A set of physical properties of an aerial environment (temperature, humidity, air velocity, radiation temperature) in a small area, inside of premises also.
   B. An aggregate of weather conditions indoors.
   C. An aggregate of meteorological conditions in the surface layer of small areas of the earth's surface.
   D. Logical sequence of meteorological processes are manifested in long mode weather in the area.
   E. A set of physical and chemical properties of surface air.
   Sources: The total hygiene: propaedeutics гигиены / [EI Goncharuk, Kundyev YI, Bardov VG, etc.], ed. EI Goncharuk. - K.: High School, 2000. - S. 218.
   
   2. Specify the parameters that characterize microclimate:
   A. * Temperature, humidity, air speed, air cooling capacity
   B. The radiation temperature, background radiation, air pressure, air cooling capacity
   C. Temperature, humidity, air speed, direction of air
   D. Temperature, air pressure, the degree of air dust, noise
   E. Temperature, radiation temperature, humidity, amount of ionizing radiation
   Sources: Datsenko II Preventive Medicine: general hygiene of the fundamentals of ecology / II Datsenko, R. D. Gabovich. - K.: Health, 2004. - S. 120.
   
   3. What are the main types of microclimate:
   A. * A comfortable, uncomfortable heating, uncomfortable cooling
   B. Comfortable, uncomfortable, indifferent
   C. Net equivalent to the equivalent effective-
   D. Comfortable, uncomfortable spastic type, uncomfortable hypoxic type
   E. Comfort-indifferent, discomfort, indifferent, equivalent
   Sources: health and environment / [Bardov VG, Moskalenko VF, Omelchuk ST and others.]; After. VG Bardova. - Kiev: A new book, 2006. - S. 71.
   
   4. Specify the function of the body, which is most sensitive to changes of climatic conditions:
   A. * Thermoregulation
   B. Digestion
   C. Breath
   D. Cardiovascular activities
   E. Excretory function
   Sources: The total hygiene: propaedeutics гигиены / [EI Goncharuk, Kundyev YI, Bardov VG, etc.], ed. EI Goncharuk. - K.: High School, 2000. - S. 218.
   
   

5. The ways of heat emission by the human body are:

1. *Perspiration; convection and conduction; while breathing; with urine and faeces.
2. Decomposition of fat in our body producing water and energy, wind blowing, contact with smth. Cold, drinking of cold water
3. Perspiration; convection and conduction; while breathing; with urine and faeces, intellectual activity, if a person moves very fast.
4. Physical activity.
5. Intellectual activity.

6. Specify the nature of the processes that occur during thermoregulation of the body:
A. * Physical processes
B. Chemical processes are the most important
C. Biological processes
D. Mechanical are the most important
E. Microbiological processes are major
Sources: The total hygiene: propaedeutics гигиены / [EI Goncharuk, Kundyev YI, Bardov VG, etc.], ed. EI Goncharuk. - K.: High School, 2000. - S. 217-220.

7. Which factor determines intensity of heat emission by radiation:
A. * Inner surface temperature of the walls
B. Absolute humidity
C. Pressure
D. Relative humidity
E. Air speed
Sources: Datsenko II Preventive Medicine: general hygiene of the fundamentals of ecology / II Datsenko, R. D. Gabovich. - K.: Health, 2004. - S. 107.

8. Specify the amount of heat emission through the skin in comfortable conditions in% of total value:
A. * 85-90%
B. 40-45%
C. 30-40%
D. 10-15%
E. 5-10%
Sources: The total hygiene: propaedeutics гигиены / [EI Goncharuk, Kundyev YI, Bardov VG, etc.], ed. EI Goncharuk. - K.: High School, 2000. - S. 218.

9. Specify the number of heat output by evaporation in comfortable conditions in% of total value:
A. * 10-15%
B. 40-55%
C. 40-45%
D. 15-20%
E. 85-90%
Sources: The total hygiene: propaedeutics гигиены / [EI Goncharuk, Kundyev YI, Bardov VG, etc.], ed. EI Goncharuk. - K.: High School, 2000. - p. 218.

 

10. Increasing of air temperature effects human’s heat emission in the following way:
A. * Decreasing of heat radiation, convection weakening, increased evaporation
B. Increasing of heat radiation, increased convection, increased evaporation
C. Increasing of heat radiation, increased convection, reduced evaporation
D. Decreasing of radiation, convection weakening, weakening of evaporation
E. Increased radiation, convection weakening, increased evaporation
Sources: The total hygiene: propaedeutics гигиены / [EI Goncharuk, Kundyev YI, Bardov VG, etc.], ed. EI Goncharuk. - K.: High School, 2000. - S. 218.

11. Indicate which way heat output (transfer) prevails at room temperature:
A. * Radiation
B. Evaporation
C. Convection
D. Conduction
E. Evaporation and convection
Sources: The total hygiene: propaedeutics гигиены / [EI Goncharuk, Kundyev YI, Bardov VG, etc.], ed. EI Goncharuk. - K.: High School, 2000. - S. 218.

 

The 2^nd level tests

12. Specify the optimum value of relative humidity in the therapeutic ward.
* A. 30 - 60%
B. 30 - 70%
C. 30 - 80%
D. 20 - 40%
E. 20 - 50%

13. In which limits the relative humidity in homes is considered normal?
* A. 30 - 70%
B. 25 - 75%
C 40 - 50%
D. 50 - 60%
E. 20 - 30%

 

14. The optimal temperature conditions in the building are:

A.*average temperature in borders 20-22 °C, temperature drops across and verticals - up to 2-3 °C;

B. average temperature in borders 22-24 °C, temperature drops across and verticals - up to 3-5 °C;

C. average temperature in borders 16-18 °C, temperature drops across and verticals - up to 2-3 °C;

D. average temperature in borders 20-22 °C, temperature drops across and verticals - up to 5-6 °C;

E. average temperature in borders 17-18 °C, temperature drops across and verticals - up to 0,5-1 °C.

15. Which indices of microclimate are favorable for surgeons work at operating room?
* A. Temperature 23 º C, relative humidity - 40%; radiation temperature - 25 º C, air speed - 0.3 m / s
B. Temperature 25 º C, relative humidity - 25%; radiation temperature - 26 º C, air speed - 0.05 m / s
C. Temperature - 27 º C, relative humidity - 50%; radiation temperature - 28 º C, air speed - 0.01 m / s
D. Temperature - 23 º C, relative humidity – 70 %; radiation temperature - 25 º C, air speed - 0.05 m / s
E. Temperature - 18 º C, relative humidity - 45%; radiation temperature - 24 º C, air speed - 0.6 m / s

 

16. What are the normative values of radiation temperature of a hospital:
* A. 20 - 22 ° C
B. 18 - 20 ° C
C. 24 ° C
D. 12 ° C
E. 16-17 ° C
Hygiene and Environment: Handbook / Edited by V. Bardova. - Kiev: A new book, 2006. - p. 75.

 

17. Define the term "saturation deficit":
A. The difference between maximum and absolute humidity
B. Significant vapor pressure
* C. Low vapor pressure
D. Temperature difference between the two thermometers
E. Insufficient air saturated water vapors

Hygiene and Environment: Handbook / Edited by V. Bardova. - Kiev: A new book, 2006. - p. 81.

 

18.How are calm winds indicated at the diagram:
A. * Circles with radius according to the percentage of calm days
B. In a parabola
C. Rectangle, according to the percentage of calm days
D. Hexahedron according to the percentage of calm days
E. Cone according to the percentage of days of calm
Sources: health and environment / [Bardov VG, Moskalenko VF, Omelchuk ST and others.]; After. VG Bardova. - Kiev: A new book, 2006. - S. 87.

 

19. Indicate from where to where the south wind blows:
A. * From South to North
B. From north to south
C. In the south west
D. From the north west
E. From the south to north
Sources: health and environment / [Bardov VG, Moskalenko VF, Omelchuk ST and others.]; After. VG Bardova. - Kiev: A new book, 2006. - S. 87.

20. Indicate the device by which the direction of air movement can be determined:
A. * Vane
B. Propeller anemometer
C. Katathermometer
D. Cup anemometer
E. Stationary hygrometer
Sources: health and environment / [Bardov VG, Moskalenko VF, Omelchuk ST and others.]; After. VG Bardova. - Kiev: A new book, 2006. - S. 87.

 

21. Specify the device by which you can determine the direction of air in the room:
A. * Fumihator
B. Cup anemometer
C. Actinometer
D. Hill’s Katathermometer
E. Hygrometer
Sources: health and environment / [Bardov VG, Moskalenko VF, Omelchuk ST and others.]; After. VG Bardova. - Kiev: A new book, 2006. - S. 87.

22. Specify the device for determination of air speed in premises:
A. * Katathermometer
B. Propeller anemometer
C. Vane
D. Cup anemometer
E. Stationary hygrometer
Sources: health and environment / [Bardov VG, Moskalenko VF, Omelchuk ST and others.]; After. VG Bardova. - Kiev: A new book, 2006. - S. 91.

23. Specify anemometer whose work in a vertical position does not depend on wind direction:
A. * Cup anemometer
B. Universal anemometer
C. Propeller anemometer
D. Compact anemometer
E. Technical anemometer
Sources: health and environment / [Bardov VG, Moskalenko VF, Omelchuk ST and others.]; After. VG Bardova. - Kiev: A new book, 2006. - S. 87.

 

The 3^rd level tests

№ з/п 137 № з/п у БД3354

In the assessment of microclimate they defined that in outer corner at the height of 1 m the temperature was 18оС, in the middle - 19оС, in inner corner - 20оС. What overfall by the horizontal is the maximal admissible?

A. *2(C

B. 1 (C

C. 1,5 (C

D. 2,5 (C

E. 3 (C

№ з/п 138 № з/п у БД3355

In the assessment of microclimate they defined that in 10 cm above the floor air temperature was 17оС, at the 1 m - 19 ⁰С, at the 1,5 m – 20 ⁰С. What vertical temperature drop is permissible?

A. *2,5 ⁰С

B. 1 ⁰С

C. 1,5 ⁰С

D. 2 ⁰С

E. 3 ⁰С

№ з/п 171 № з/п у БД3752

A student has to measure the speed of air motion in experimental laboratory. What device should he use?

A. *Katathermometer

B. Asman`s psychrometer

C. Hair hygrometer

D. Augustus psychrometer

E. Anemometer

 

№ з/п 149 № з/п у БД3366

In the workshop of garment factory they supervise effectiveness of the ventilation system and control on the microclimate conditions. What device can’t be used for determining the air movement velocity in the section of ventilation pane?

A. * propeller (wing) anemometer.

B. electrical anemometer

C. Katathermometer

D. stringed anemometer.

E. membranous anemometer