PLUMBING SANITATION, DESIGN AND INSTALLATION
1. The largest source of water supply for Metro Manila comes from
A. Angat Dam
B. Balara Filtration Plant
C. La Mesa Dam
D. Deposito de San Juan
2. A combination of two elementary substances which is very essential to life, in food production
maintenance and improvement of health and sanitation.
A. Rain
B. Ice
C. Water
D. Well
3. Which of the following is not a considered a source of water supply.
A. Atmospheric Water
B. Ground water
C. Rain water
D. Surface water
4. What do call a process by which water escape from the leaves of plants due to heat from the sun.
A. Precipitation
B. Infiltration
C. Transpiration
D. Percolation
5. What percentage of water comprises the human body?
A. 70%
B. 80%
C. 60%
D. 50%
6. Of the total precipitation, how many percentage of water percolates to the ground?
A. 30%
B. 35%
C. 33 1/3%
D. 37 ½%