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Plumbing Quiz 1

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

Tee with 3 connections each measuring 2" is correctly ordered as a:

a)

2" x 2" x 2" tee

b)

2" tee

c)

2" x 2" tee

d)

2" trap

2.

Which of the following is NOT a basic component to a plumbing system?

a)

Pollution Control

b)

Plumbing Fixtures

c)

Water Service Pipe and Distributing Pipes

d)

The drainage and vent system

3.

Many power tools have a side handle:

a)

To use if OSHA is on the job site

b)

That is used to minimize injury from a possible violent reaction of the tool

c)

That is removed when a person is becoming comfortable with toll use

d)

For beginners to become comfortable with toll use

4.

A _, is a specially designed snake for clearing clogs from trap of a toilet

a)

Bowl wax

b)

Adjustable wrench

c)

Plunger

d)

Toilet auger

5.

Is the single sloping drain from the base of a stack to its junction with the main building drain

a)

Preliminary branch

b)

Branches

c)

Secondary branch

d)

Building drain

6.

What is the maximum depth of trench for sub-surface drain where the soil has satisfactory absorption

a)

2'-1"

b)

4'-1"

c)

1'-6"

d)

3'-0"

7.

What is the pipe carrying potable water from the water meter or other source of water supply to a building or other point of use or distribution?

a)

Building drain

b)

Water pipe

c)

Water meter

d)

Building supply

8.

What type of concealed connection of fixtures shall be provided with access panel of unity at least 0.3 meter in its its dimension for easy inspection and repair?

a)

Slip joint

b)

Ball and socket

c)

Hubless

d)

Flanged

9.

Any pressure less than that exerted by the atmosphere (may be termed a negative pressure).

a)

Vacuum

b)

Atmospheric pressure

c)

High pressure

d)

Low pressure

10.

All water supply piping to an occupied dwelling installed in an unheated area that could freeze:

a)

Is drained during the cold months

b)

Should have a backflow preventer

c)

Must be insulated

d)

Should have flow drain

11.

A fitting for lead caulked joint that is prohibited when in vertical position

a)

P-trap

b)

Single hub

c)

Double tapped tee

d)

Double hub

12.

A bidet drain assembly is:

a)

1 1/4"

b)

1 1/2"

c)

2"

d)

2 3/4"

13.

Who was the president of the Republic of the Philippines who signed the "Plumbing Law of the Philippines"

a)

Pres. Diosdado Macapagal

b)

Pres. Ramon Magsaysay

c)

Pres. Elpidio Quirino

d)

Pres. Ferdinand Marcos

14.

A vent that does not carry liquid or water borne waste is called _.

a)

Wet vent

b)

Sewer vent

c)

Sewer line

d)

Dry vent

15.

What is the total WSFU for 2 lavatories for private use?

a)

2 WSFU

b)

8 WSFU

c)

3 WSFU

d)

4 WSFU

16.

What do you call a receptacle installed to collect and drain storm water from an open area?

a)

Split drain

b)

Combination sewer

c)

Floor drain

d)

Area drain

17.

Who is the present designated chairman of unification and integration of Master Plumbing profession?

a)

Engr. Mangila

b)

Engr. Camilet

c)

Engr. Simbulan

d)

Arch. Abellano

18.

A connection to the public sewer, or private sewage disposal system, is required for _.

a)

Buildings with or without plumbing fixtures

b)

Buildings with plumbing fixtures

c)

Buildings with emergency drain system

d)

Buildings with storm drain system

19.

What color code will be painted on Medical gas copper pipe and tube, to indicate that this pipe is for medical gas?

a)

Yellow markings

b)

Red or orange markings

c)

Blue or green markings

d)

Black or gray markings

20.

Roof drain shall be of _.

a)

Biodegradable plastic

b)

Cast iron, copper

c)

Foam insulation

d)

PVC

21.

A saw used to productively cut threaded rod is a:

a)

Jig saw

b)

Reciprocating saw

c)

Portable band saw

d)

Demolition saw

22.

What tube is made of plastic material and colored black whose crossed-sectional shape is normally oval and is denoted by its outside diameter and is normally used as water service connection from the main to the meter?

a)

Polybutylene pipe

b)

PVC Pipe

c)

ABS Pipe

d)

Polyethylene pipe

23.

Minimum supply pipe for lavatory using PPR PN16 is _.

a)

25 mm dia.

b)

20 mm dia.

c)

19 mm dia.

d)

15 mm dia.

24.

"Plumbing fixtures shall be made of smooth non-absorbent material, free from concealed fouling surfaces and shall be located in ventilated enclosures." Which basic principle does this statement applies to?

a)

Principle No. 5

b)

Principle No. 7

c)

Principle No. 8

d)

Principle No. 6

25.

A tank located above or integral with water closet, urinal or similar fixture for flushing or removing excrement in the fixture.

a)

Flush valve

b)

Flushometer valve

c)

Flush tank

d)

Flushometer tank

26.

Where the number of water closet in a floor level exceeds 20, how many of these shall be provided to disabled persons?

a)

3

b)

1

c)

4

d)

2

27.

Pipe must be airtight, gas tight and watertight to achieve good piping system.

a)

Risers

b)

Sealed traps

c)

Connections

d)

Pipes

28.

A return bend of small-sized pipe, one end of which is about 30cm. long and the other end is about 7.5cm long. Commonly used as a faucet for a pantry sink

a)

Elbow 45 degrees

b)

Return bend pipe

c)

Gooseneck

d)

Elbow 90 degrees

29.

What do you call that vent whose main function is to provide circulation of air between a drainage and vent system?

a)

Dual vent

b)

Circuit vent

c)

Local vent

d)

Relief vent

30.

How many equivalent water supply fixture units has the flush tank type of water closet that is for private use?

a)

3

b)

4

c)

2

d)

5