fajardo 11 plumbing ventilation

fajardo 11 plumbing ventilation

1st Grade

43 Qs

quiz-placeholder

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fajardo 11 plumbing ventilation

fajardo 11 plumbing ventilation

Assessment

Quiz

Professional Development

1st Grade

Medium

Created by

dream mayang

Used 6+ times

FREE Resource

43 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

____ of a plumbing system, is that portion of the drainage pipe installation, designed to maintain a balance atmospheric pressure inside the system to prevent problems like:

1. Trap seal loss

2. Retardation of flow

3. Deterioration of the materials

Ventilation

Pressure valve

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Among the most common and serious problem being

encountered in a drainage system is the ____.

_____ can be attributed to inadequate ventilation

of the trap and the subsequent minus and plus pressures

inside the system.

Trap Seal Loss

back pressure

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

_____ is the result of minus pressure in the drainage system. If the trap of a common seal is open and exposed to the atmosphere, both the inlet and the outlet orifices will be under balance atmospheric pressure. As such, the tendency of water seal to move is remote.

Siphonage

Back pressure

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When the water seal escape from

the P-trap, it is called ____

Trap Seal Loss.

Self Siphoning

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

_____ occur in unventilated traps ,which serves as oval bottom fixtures like lavatories or slop sink. Self siphonage is created when a rapid flow of water passing through the pipe siphon down the water seal inside the traps with no vent provision.

Direct or Self Siphoning

Indirect or Momentum Siphoning

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

____ is the result of a minus pressure in the pipe created by heavy discharge of water from a fixture installed on a line serving another fixture at a lower floor.

Indirect or Momentum Siphoning

Self siphonage

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

_____ is caused by plus pressure. When large

amount of water flow drops downward rapidly forming a

slug like, the air inside the pipe will be compressed

downward.

Back Pressure

Indirect or Momentum Siphoning

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