WorksheetsPlumbing QBank 5
Total questions: 15
Worksheet time: 8mins
1. Which material ultimately seals a caulked or bell and spigot joint?
Cement
Oakum
Pig lead
Coal tar
2. What do you call the process in which all types of iron-based metals rust?
Oxidation
Pit corrosion
Material breakdown
Tuberculation
3. Which pipe support is recommended in holding a single horizontal soil or waste
branch?
Clevis
Bracket
Trapeze
Clamp hanger
4. Which of these pipes is measured by its outside diameter?
Galvanized steel pipe
Cast iron pipe
Copper pipe
Concrete pipe
5. Pressure loss in pipe due to its interior surface is attributed to what factor?
Friction loss
Static pressure
Dynamic head
Water flow
6. Which plastic pipe is normally oval in cross section and is denoted by it outside
diameter?
PP (Polypropylene)
CPVC (Chlorinated polyvinyl
chloride)
PB (Polybutylene)
SR (Styrene rubber)
7. Ventilating system is essential in sanitary drainage system. Providing such system prevents .
Backpressure
Siphonage
Backflow
All of these
8. The following are types of joints used in plastic pipes. Which of these is NOT
applicable?
Crimped joint
Solvent cement weld joint
Heat fusion joint
Hot poured joint
9. What is the rod used for caulking oakum?
Soldering rod
Glass rod
Yarning iron
Stadia rod
10. What is the science that studies water in motion?
Fluid mechanics
Hydrokinetic
Hydraulics
Hydrology
11. Potable water is to water supply, as wastewater is to .
Sewer system
Fire protection
Vent system
Storm/drainage system
12. Also known as the Sanitation Code of the Philippines.
RA 8749
RA 9275
RA 9003
PD 856
13. Portion of the septic tank where retention of sludge takes place.
Digestive chamber
Holding tank
Leaching chamber
Polishing chamber
14. MWSS stands for:
Metro Water and Sewer
System
Metropolitan Waterworks and Sewerage System
Manila Water and Sewer
System
Manila Waterworks, Sewerage and Sanitation
15. is the removal of salts from saline water to provide freshwater.
Decantation
Desalination
Hypertension
Condensation
