7
Appendix B.
EXAMINATION PAPERS. December, 1905.
I. ADVANCED COURSE FOR BOYS.
(Time allowed-Two hours and a half.)
1. What is meant by saying that 6 per 1,000 volumes of CO2 in the air is the limit of impurity permissible in the air of dwelling rooms; and how is this limit arrived at ?
2. Mention the different kinds of domestic filters you know, and explain why some of them are really useless or even dangerous to health.
3. How are food substances classified? Give examples of each class. What quantities approximately of each class of food substances are necessary daily for a man doing moderately hard work?
4. How does the value of clothing vary with its material, thickness and colour?
5. What is a damp course? What means can be a lopted to keep basement rooms dry?
6. What is the best method of dealing with nightsoil and urine-
(1) In the country?
(2) In a city?
7. What is meant by the incubation period of an infectious disease; and of what value is the knowledge of the incubation periods of different diseases in pre- venting their spread?
II. ADVANCED COURSE FOR GIRLS.
The Girls' paper was the same as the Boys', except that for question 6 the following was substituted :-
Explain the importance of training Nullahs and natural watercourses
near inhabited houses in a tropical country.
III-ELEMENTARY COURSE FOR BOYS AND GIRLS.
Time allowed-Two hours.)
1. What amount of fresh air is necessary for a man to breathe every hour; and what will happen to the air of a room in which people are sleeping all night, if the windows and doors are kept shut ?
2. What would you do to prevent a village will from being made foul by dirty water getting into it?
3. Why do we cook our food before we eat it?
4. Why is the clothing pad led with cotton wool, which is largely used by the Chinese in winter, not a healthy kind of clothing?
5. What would you recommend to be done to a kitchen in a Chinese tenement house, so as to make it as sanitary as possible?
6. What is the proper thing for each householder in Hongkong to do with the different waste matters from his house every day?
7. What is the danger in the habit of spitting anywhere over the floors of houses?