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Building Utilities - Plumbing

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

The unit of kinematics viscosity in metric system

a)

Poise

b)

Sq. cm. per sec

c)

Sq. m per sec

d)

None of the above

2.

1 psi is equivalent to a water head of ?

a)

2.31 psi

b)

3.52 psi

c)

2.50 psi

d)

3.96 psi

3.

Used to deliver water at a point higher than the position of the pump itself when the plunger descends, the valve is closed and the water in the cylinder is forced out through the valve and up to the storage.

a)

Pumps

b)

Force pump

c)

Lift pump

d)

Suction pump

4.

Bacteria which has no function in sewage treatment

a)

Non-aerobic bacteria

b)

Pathogenic bacteria

c)

Facultative bacteria

d)

Aerobic bacteria

5.

It is temperature at which vapor forms above liquid fuel

a)

Power point

b)

Fire point

c)

Flash point

d)

Boiling point

6.

The water service is a pipe that extends from the?

a)

Water rise run out to the water tank

b)

Water main to the water tank

c)

Water main to the water meter

d)

Water main to the building

7.

Which of the ff carries waste discharge to the building sewer?

a)

Soil stack

b)

Indirect connection

c)

Building drain

d)

Waste stack

8.

Subsoil water is collected and carried to a

a)

Sanitary sewer

b)

Storm sewer

c)

Sump

d)

River

9.

Which of the ff is not a plumbing fixture

a)

Gravity tank

b)

Roof drain

c)

Booster pump

d)

Floor drain

10.

The code that prescribed regulation on sanitary and industrial plumbing installation inside bldgs and premises is the

a)

PD 1096

b)

PD 1185

c)

RA 1378

d)

RA 1529

11.

What is the height of the handicapped fixtures

a)

18"

b)

16"

c)

20"

d)

13"

12.

Dry standpipes shall have sufficient strength to withstand a water pressure of how much when ready for service?

a)

25 kg/sqcm

b)

20 kg/sqcm

c)

10 kg/sqcm

d)

15 kg/sqcm

13.

The min. size of a fire hose outlet of an interior wet standpipe is

a)

20mm dia.

b)

41mm dia.

c)

25mm dia.

d)

38mm dia.

14.

The trap provision required to restaurant and other establishment where sewage covers large amount of grease prior to discharge to sewer

a)

Drum trap

b)

Grease trap

c)

Catch basin

d)

S-trap

15.

In term of discharge one fixture unit represent the flow rate approx

a)

7.83 gal

b)

7.63 gal

c)

7.48 gal

d)

6.51 gal

16.

It is the pipe extension of a solid waste above the highest horizontal drain connected to the stack

a)

Vent stack thru roof

b)

Local vent

c)

Stack vent thru roof

d)

Loop vent

17.

What is the other name for rain water downspout?

a)

Riser

b)

Leader

c)

Run out

d)

Rain pipe

18.

Which is not a type of water fountain

a)

Wall mounted

b)

Column standing

c)

Free standing

d)

Semi recessed

19.

What is the valve which is an adoption of ball valve?

a)

Butterfly valve

b)

Plug valve

c)

Glove valve

d)

Gate valve

20.

All of the ff are used in a site drainage system except

a)

Drain inlets

b)

Catch basins

c)

Roof drains

d)

Manholes

21.

Minor stoppage form water closet traps can be cleared with plunger, but for more stubborn cligs, use

a)

Closet auger

b)

Sewer snake

c)

Pick out iron

d)

None of the above

22.

What is the pipe pitch necessary to have adequate flow throughout the length and assure through discharge of waste water

a)

¼ in/ft

b)

⅛ in/ft

c)

½ in/ft

d)

⅓ in/ft

23.

Manholes are not required gor the laid drain pipe of this diameter

a)

150 mm

b)

250 mm

c)

300 mm

d)

200 mm

24.

It is arrangement of venting so installed that one vent will serve two trap

a)

Local vent

b)

Wet vent

c)

Unit vent

d)

Relief vent

25.

At the base of a vertical drain, flow enters the horizontal drain at a relatively high velocity, ehat do you call that flow?

a)

Shooting flow

b)

Surging flow

c)

Jumping flow

d)

All of the above