Tradesman Exam Questions and correct
answers ||GRADED A+||LATEST UPDATE
2026
The discharge piping serving a temperature and pressure relief valve must be:
Equal to the size of the valve outlet
A vertical vent pipe installed to provide circulation of air to and from any part of
the drainage system is know as a/an:
vent stack
Pipe, fittings, traps, fixtures, material or devices used in a plumbing system shall
be:
marked with identification of the manufacturer
Concealed slip joint connections on fixtures shall be:
accessible
The gas shutoff valve on water heaters must be of an approved type and
installed:
less than 3 feet from the water heater and in the same room
To prevent turbulence and flow loss, piping must be:
reamed to full bore
Horizontal drainage piping 2 inches or less in diameter shall be installed with a
fall of not less than _____ of an inch per foot.
1/4
Horizontal vent pipes shall be level or graded as to drip back by gravity to:
, the main vent pipe
In a vertical stack, the use of a wye and 1/8 bend for a trap connection could
create:
an "S" trap
Which test medium cannot be used for testing a fuel gas system
Carbon dioxide
At least six hours of Board-approved continuing education is required of:
any licensee who wishes to renew a license
The lowest point in the cross-section of the horizontal waterway at the exit of a
trap is called a/an:
crown weir
The vertical distance between the crown weir and the top dip of the trap is called
the:
trap seal
Water that is satisfactory for drinking, culinary, and domestic purposes and that
meets the requirements of the Health Authority Having Jurisdiction is called:
potable water
A pipe that does not connect directly with the drainage system but conveys liquid
wastes by discharging into a plumbing fixture, interceptor, or receptacle that is
directly connected to the drainage system is called a/an:
indirect waste pipe
answers ||GRADED A+||LATEST UPDATE
2026
The discharge piping serving a temperature and pressure relief valve must be:
Equal to the size of the valve outlet
A vertical vent pipe installed to provide circulation of air to and from any part of
the drainage system is know as a/an:
vent stack
Pipe, fittings, traps, fixtures, material or devices used in a plumbing system shall
be:
marked with identification of the manufacturer
Concealed slip joint connections on fixtures shall be:
accessible
The gas shutoff valve on water heaters must be of an approved type and
installed:
less than 3 feet from the water heater and in the same room
To prevent turbulence and flow loss, piping must be:
reamed to full bore
Horizontal drainage piping 2 inches or less in diameter shall be installed with a
fall of not less than _____ of an inch per foot.
1/4
Horizontal vent pipes shall be level or graded as to drip back by gravity to:
, the main vent pipe
In a vertical stack, the use of a wye and 1/8 bend for a trap connection could
create:
an "S" trap
Which test medium cannot be used for testing a fuel gas system
Carbon dioxide
At least six hours of Board-approved continuing education is required of:
any licensee who wishes to renew a license
The lowest point in the cross-section of the horizontal waterway at the exit of a
trap is called a/an:
crown weir
The vertical distance between the crown weir and the top dip of the trap is called
the:
trap seal
Water that is satisfactory for drinking, culinary, and domestic purposes and that
meets the requirements of the Health Authority Having Jurisdiction is called:
potable water
A pipe that does not connect directly with the drainage system but conveys liquid
wastes by discharging into a plumbing fixture, interceptor, or receptacle that is
directly connected to the drainage system is called a/an:
indirect waste pipe
