CHAP 2 U-Z

Question 1

a room space having a volume equal to at least
1.4 c.u. m. of the aggregate input rating of the fuel-burning appliance
installed in that space. Rooms adjacent and open to the space where the
appliance is installed, through openings not furnished with doors, are
considered a part of the unconfined space .

Answer 1

UNCONFINED SPACE

Question 2

an arrangement of venting so installed that one vent pipe will serve two (2) traps.

Answer 2

UNIT VENT

Question 3

an air pressure less than atmospheric. Also, implies siphonage in piping system.

Answer 3

VACUUM

Question 4

sec Backtlow Prevcnter

Answer 4

VACUUM BREAKER

Question 5

a pipe or opening used for ensuring the circulation of air in a
plumbing system and for relieving the negative pressure exerted on trap
seals.

Answer 5

VENT PIPE

Question 6

the vertical vent pipe installed primarily for providing
circulation of air to and from any part of the soil, waste of the drainage
system.

Answer 6

VENT STACK

Question 7

• pipes installed to provide flow of air to or from a
  drainage system or to provide a circulation of air within such system to
  protect traps seals from siphonage and back pressure.

Answer 7

VENT SYSTEM

Question 8

any pipe cr fitting installed in a vertical position or
which forms an angle of not more than forty-five (45) degrees with the
vertical line.

Answer 8

VERTICAL PIPE

Question 9

see Liquid Waste and Industrial Waste.

Answer 9

WASTE

Question 10

:1 pipe, which conveys only wastewater or liquid wa te,
free of fel~al matter.

Answer 10

WASTE PlPE

Question 11

a device which conditions cr treats water
supply to improve water quality, remove suspended solids by filtration.

Answer 11

WATER TREATMENT

Question 12

a pipe which conveys potable water
from the building supply pipe to the plumbing fixtures and other water
outlets.

Answer 12

WATER- DISTRIBUTING PlPE

Question 13

• or street main is the water-supply pipe for public or
  community use.

Answer 13

WATER MAIN

Question 14

• of a building or premises consists of the
  water service pipe, water supply line, water distributing pipe and the
  necessary branch pipes, fittings, valves and all appurtenances required for
  the supply of potablt! water.

Answer 14

WATER SUPPLY SYSTEM

Question 15

· that portion of a vent pipe through where wastewater also
fl ows through.

Answer 15

WET VENT

Question 16

-any joint or seam obtained by the joining
of metal parts in a plastic molren state.

Answer 16

WELDED JOINT OR Sf:AM

Question 17

a person who specializes in the welding of pipes
and holds a valid certificate of competency from a recognized testing
agency, based on the requirements of the regulating authority.

Answer 17

WELDER, PIPELINE-

Question 18

a hose connection with tw ~gated outlets permitting two
connections of the same or smaller coupling diameter to be taken from a
single supply line. Also, a pipe fitting of three branches that form the letter “wye”.

Answer 18

WYE

Question 19

• an open. unoccupied space, other than a court, unobstructed from
  the ground to the sky, except where specifically provided in this Code.

Answer 19

YARD

Question 20

• a pipe connecting upward from a soil or waste stack below
  the floor and below horizontal connection to an adjacent vent stack at a
  point above the tloor and higher than highest spill level of fixtures for
  preventing pressure changes in the stacks.

Answer 20

YOKE VENT -