Most common joint connection for copper
water piping.
a. Soldered joints
b. Brazed joints
c. Mechanical joints
d. Flared joints
a. Soldered joints
In water piping, applicable joint connection
for stainless steel to other material is?
a. Mechanical joint by compression type
b. Mechanical joint by form tee fittings
c. Mechanical joint by pressed fittings
d. Mechanical joint by push fit fittings
a. Mechanical joint by compression type
An organization that set standard application
of seamless brass tube & tube pipe/tube.
a. ASTM
b. IAPMO
c. UL
d. AWWA
a. ASTM
The difference between septic system and
aerobic treatment system.
a. Septic system used anaerobic process for digestion.
b. ATS found in urban areas where public sewers not
available.
c. ATS can be used as primary treatment for septic tank
effluent.
d. Septic system relatively odorless that ATS.
a. Septic system used anaerobic process for digestion.
A kind device that has a flow rate of less than
50 gpm.
a. Catch basin
b. Grease trap
c. Culvert
d. Grease interceptor
b. Grease trap
A kind device that has a flow rate of more than
50 gpm.
a. Catch basin
b. Grease trap
c. Culvert
d. Grease interceptor
d. Grease interceptor
Plumbing pipe materials that used up to 25
stories for high rise building.
a. ABS
b. PVC
c. Cast iron
d. cPVC
c. Cast iron
Plumbing pipe materials that used up to 10
stories for high rise building.
a. ABS
b. Copper pipes
c. HDPE
d. cPVC
a. ABS
Plumbing pipe material that should not be
used outside the building structure.
a. Steel pipes
b. Aluminum pipes
c. Asbestos cement pipes
d. Ductile iron pipes
b. Aluminum pipes
In fuel gas piping, connection of plastic piping
shall be installed?
a. Inside the building with pipe sleeve.
b. Outside and aboveground only.
c. Inside the building with protective wrapping.
d. Outside and underground only
d. Outside and underground only
Best location of a gas meter.
a. Adjacent to the highway.
b. Under a fire escape.
c. Public passages.
d. Isolated and ventilated area
d. Isolated and ventilated area
In fuel gas piping, a pipe that shall not be used
if the gas contains more than an average of 0.3
grains of hydrogen sulfide per 100 scf of gas (0.7
mg/100 L).
a. Copper and brass
b. Tin and lead
c. Silver and bronze
d. Steel and wrought iron
a. Copper and brass
Which of the following is classified as
permissible trap?
a. Bell trap
b. Full S trap
c. P-trap
d. Mechanically sealed trap
c. P-trap
The following are the ways to prevent
backflow, except:
a. Backpressure
b. Backwater valve
c. Air gap
d. Check valve
a. Backpressure
Which of the following locations does not
require a cleanout?
a. At the upper end of every horizontal soil and waste
branch.
b. At every plumbing fixture.
c. Any horizontal soil pipe less than 15 m.
d. At the base of every soil stack.
b. At every plumbing fixture.
What is considered as the plumber’s friend?
a. Pipefitter
b. Plumber apprentice
c. Force cup
d. Journeyman
c. Force cup
