Local 1 Plumber's City Helper Questions
With Correct Verified Answers A+ Grade
Soldering relies on ____________ action to achieve the joint. - CORRECT ANSWER -Capillary
A vent shall not be installed within ________ pipe diameters of the trap - CORRECT ANSWER -
Two
A branch interval is defined as - CORRECT ANSWER -A vertical measurement of distance, 8 ft or
more in developed length, between the connections and horizontal branches to a drainage
stack
Curb valves larger than 2" shall be equipped with an operating but at least ________ inch
square - CORRECT ANSWER -1 1/4"
The material that should not generally be used for roof drains is - CORRECT ANSWER -Wrought
iron
The color of the caps for a sprinkler system Siamese connection (FDC, Fire department
connection) shall be - CORRECT ANSWER -Green
Each service directly supplying a standpipe system or a fire pump shall be equipped with a
control valve located - CORRECT ANSWER -Under the sidewalk in a flush sidewalk box located
18" from the curb
From the following series of steps, the proper order in which to conduct a smoke test is -
CORRECT ANSWER -1. Fill the traps
2. Introduce smoke
3. Cap the terminals once smoke appears
4. Achieve a pressure of 1" water column
,A fixture connected to a grease interceptor does not need a trap if the vertical distance from the
outlet to the interceptors is not greater than ____________ inches. - CORRECT ANSWER -30
inches
Standpipe systems are categorized into three classes. A Class 2 systems as. _________ -
CORRECT ANSWER -Both 1 1/2" hose stations for use by trained personnel and 2 1/2" hose
connections for Fire department use only
The required water design capacity of bathtub mixing valves is ______ gallons per minute -
CORRECT ANSWER -4 gpm
An "unsafe act" is considered to be one that causes an accident that can be prevented by
knowledge of proper safety practices. Of the following, which was not caused by an unsafe act?
- CORRECT ANSWER -Shock from a drill with an internal defect
The factor that is not generally considered to be a major cause of accidents is _______ -
CORRECT ANSWER -Lack of familiarity with a job
One gallon of water weighs __________ pounds - CORRECT ANSWER -8.33
When performing an air test on cast- iron drainage and vent piping at a pressure of 5psi, the test
gauge shal be marked at maximum ______ psi increments - CORRECT ANSWER -.10
Existing metallic water service piping used for electrical grounding shall not be replaced with
_______ pipe or tubing until other approved means of grounding are provided. - CORRECT
ANSWER -Nonmetallic
Hydrostatic pressure tests of a standpipe system shall be held for a period of _____ hours -
CORRECT ANSWER -2 hours
, Wall and floor space to a point 2 feet in front of urinal lip and ______ feet above the floor and
at least ________ feet to each side of the urinal shall be waterproofed. - CORRECT ANSWER -4;2
The best method to use to determine whether a large cast iron fitting is cracked is to _______ -
CORRECT ANSWER -Ring the fitting with a hammer
A leaking ball drip off the FDC is indicative of _______ - CORRECT ANSWER -A passing lower
check valve
The top of a fire extinguisher shall be no higher than _________ feet from finished floor -
CORRECT ANSWER -5ft
A cistern collects _______ water - CORRECT ANSWER -Rain
The largest size threaded fitting allowed for gas piping is ________ inches - CORRECT ANSWER -
4"
What is the distance planks can overhang scaffold ends? - CORRECT ANSWER -12 inches only
A trap's seal extends from the _____ the the crown weir - CORRECT ANSWER -Top of the dip
A fixture vent shall not be installed within ______ pipe diameters of the trap weir. - CORRECT
ANSWER -2
A regulator within a natural gas piping system will _______ - CORRECT ANSWER -Affect pressure
With Correct Verified Answers A+ Grade
Soldering relies on ____________ action to achieve the joint. - CORRECT ANSWER -Capillary
A vent shall not be installed within ________ pipe diameters of the trap - CORRECT ANSWER -
Two
A branch interval is defined as - CORRECT ANSWER -A vertical measurement of distance, 8 ft or
more in developed length, between the connections and horizontal branches to a drainage
stack
Curb valves larger than 2" shall be equipped with an operating but at least ________ inch
square - CORRECT ANSWER -1 1/4"
The material that should not generally be used for roof drains is - CORRECT ANSWER -Wrought
iron
The color of the caps for a sprinkler system Siamese connection (FDC, Fire department
connection) shall be - CORRECT ANSWER -Green
Each service directly supplying a standpipe system or a fire pump shall be equipped with a
control valve located - CORRECT ANSWER -Under the sidewalk in a flush sidewalk box located
18" from the curb
From the following series of steps, the proper order in which to conduct a smoke test is -
CORRECT ANSWER -1. Fill the traps
2. Introduce smoke
3. Cap the terminals once smoke appears
4. Achieve a pressure of 1" water column
,A fixture connected to a grease interceptor does not need a trap if the vertical distance from the
outlet to the interceptors is not greater than ____________ inches. - CORRECT ANSWER -30
inches
Standpipe systems are categorized into three classes. A Class 2 systems as. _________ -
CORRECT ANSWER -Both 1 1/2" hose stations for use by trained personnel and 2 1/2" hose
connections for Fire department use only
The required water design capacity of bathtub mixing valves is ______ gallons per minute -
CORRECT ANSWER -4 gpm
An "unsafe act" is considered to be one that causes an accident that can be prevented by
knowledge of proper safety practices. Of the following, which was not caused by an unsafe act?
- CORRECT ANSWER -Shock from a drill with an internal defect
The factor that is not generally considered to be a major cause of accidents is _______ -
CORRECT ANSWER -Lack of familiarity with a job
One gallon of water weighs __________ pounds - CORRECT ANSWER -8.33
When performing an air test on cast- iron drainage and vent piping at a pressure of 5psi, the test
gauge shal be marked at maximum ______ psi increments - CORRECT ANSWER -.10
Existing metallic water service piping used for electrical grounding shall not be replaced with
_______ pipe or tubing until other approved means of grounding are provided. - CORRECT
ANSWER -Nonmetallic
Hydrostatic pressure tests of a standpipe system shall be held for a period of _____ hours -
CORRECT ANSWER -2 hours
, Wall and floor space to a point 2 feet in front of urinal lip and ______ feet above the floor and
at least ________ feet to each side of the urinal shall be waterproofed. - CORRECT ANSWER -4;2
The best method to use to determine whether a large cast iron fitting is cracked is to _______ -
CORRECT ANSWER -Ring the fitting with a hammer
A leaking ball drip off the FDC is indicative of _______ - CORRECT ANSWER -A passing lower
check valve
The top of a fire extinguisher shall be no higher than _________ feet from finished floor -
CORRECT ANSWER -5ft
A cistern collects _______ water - CORRECT ANSWER -Rain
The largest size threaded fitting allowed for gas piping is ________ inches - CORRECT ANSWER -
4"
What is the distance planks can overhang scaffold ends? - CORRECT ANSWER -12 inches only
A trap's seal extends from the _____ the the crown weir - CORRECT ANSWER -Top of the dip
A fixture vent shall not be installed within ______ pipe diameters of the trap weir. - CORRECT
ANSWER -2
A regulator within a natural gas piping system will _______ - CORRECT ANSWER -Affect pressure
