spdi coaching 2

b

How do you connect pump in series?

Different RMP

Same gpm

Same horsepower

Different pressure

a

Construction of septic tank should be located at a distance away from the source of water supply to prevent sanitation

15 meters

10 meters

20 meters

5 meters

a

It is compartment in the septic tank usually
extended above the surface of the ground to
overcome surface water infiltration

Leaking chamber

Sedimentation chamber

Chlorination chamber

Sewage chamber

a

The retention period or the time for which
suspended matters in septic tank would settle
and stabilize is:
*

1/1

24 hours

 

12 hours

18 hours

30 hours

c

A septic tank is a water tight receptacle for which
the sewage is digested than a biological action
mainly by microorganism.

Facultative bacteria

Aerobic bacteria

Anaerobic bacteria

enzymes

c

The top cover and the manhole of a septic tank
usually extended above the surface of the ground to overcome surface water infiltration.

15 cm

10 cm

5 cm

20 cm

d

The soil branch piping installed in horizontal run
must be supported by substantial iron hanger at
close interval to prevent sagging, approximate a
distance

1.50 meters apart

2.00 meters apart

1.00 meters apart

3.50 meters apart

d

Soil pipe is the part of the drainage system, which conveys waste water containing organic waste, whereas waste pipe is apart that conveys waste containing.

Acid

Salt

Other element soluble in water

All of these

d

The soil branch must be slope at a grade so that
waste content is given a flow of pipe velocity to
assure a self-scouring condition and lesson the
possibility of seal losses stoppage and retarded
flow.

Acid 

Salt

Other element soluble in water

All of the above

c

It is temperature at which water vapor forms
above liquid fuel.

Power point

Fire point

Flash point

Boiling point

b

Pour index horsepower is how many foot lbs per
minutes

30,000

33,000

33,333

30,333

a

The speed at which an exact model of the pump
would have to run if it were designed to deliver 1
GPM against 1 feet head per stage

Peripheral speed

Exact speed

Transition speed

Same speed

a

A positive displacement pump is

Rotary pump

Centrifugal pump

Turbine pump

Piston pump

d

A pressure gage register 50 psig in a region where barometer is 1.25 psia. Find the absolute pressure

64.25 Kpa

10.125 psi

86.25 kpa

51.25 psi

b

A pump used in underground

Surface pump

Submersible pump

Piston pump

Centrifugal pump

c

The property of a fluid whereby its own molecule
are united or attracted to each other is:

Ideal fluid

Pilot tube

Cohesion

Adhesion

a

A state of complete physical mental and social
well-being and not merely the absence of disease or infirmity.

Health

Vital statistics

Fitness

Statics

a

Public health substance that deforms
continuously under the application of a shear
force. It cannot sustain a shear force at rest is:

Fluid

Liquid form

Flowing water

Discharge

c

Study of the distribution of the disease or
condition in a population

Public health

Environmental Sanitation

Epidemiology

Environmental health

d

The physical characteristics of sewage is
determined by:

Turbidity

Colour

Odour

All of the above

c

It includes the discharge from latrine, urinals,
bathrooms, kitchens and stables is called:

Refuse

Wet refuse

Sewage

Waste water

b

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

Pumps

Force pump

Lift pump

Suction pipe

b

Bacteria which has no function in sewage
treatment

Non- aerobic bacteria

Pathogenic bacteria

Facultative bacteria

Aerobic bacteria

c

It includes the urea, proteins and amino acids is

Non-nitrogenous compound

Odour

Nitrogenous compound

all of the above

a

At a point in a horizontal pipeline, the pressure of
water flowing at a velocity of 4.6 m/s is 117.3 kPa
at another point closed by, where the pipe has a
smaller section, the pressure is 110 kPa. If the
head loss is 0.2, find the velocity of flow at the
second point

5.64 m/s

6.00 m/s

5.79 m/s

5.98 m/s

c

The rate of flow of liquid measured per unit of
time, usually gpm or lps.

Capacity

Static rate

Flow rate

Pump rate

b

The total relationship of man to physical,
biological, socio-economic and socio-cultural
environment as it affects human well being

Public health

Environmental health

Sanitation

Environmental study

a

Applied to a specific disease when it normally
prevails in locality and does not fluctuate
markedly from the normal expected merdence in
the commonly

Endemic

Pandemic

Communicable disease

Epidemic

a

Disinfection of drinking water is done to remove

Bacteria

Color

Odor

Turbidity

a

Means by which infectious agents are transported in causing disease. Water, food, insect and inanimate object may be vehicles of infection, insects or rodents are sometimes

Vehicle of inspection

Host

Vector

Person to person

c

The unit of kinematics viscosity in metric system

Poise

Sq. ft per sec

Sq. m per sec

none of the above

d

The combination of sanitary sewerage and storm
water is:

Sewer line

Septage line

Septic tank

Combine sewage

a

A type of valve which should be used only wide
open or fully closed

Gate valve

Globe valve

Reducing valve

Throttle valve

d

Cast iron weighs 640 lbs per ft^3. What is the
weight of the cast iron block is 14’ x 12’ x 18’ is?

1250 lbs

985 lbs

867.5 lbs

1120 lbs

a

1 psi is equivalent to a water head of

2.31 ft

3.52 ft

2.50 ft

3.9 ft

a

Instrument used to measure the water flow

Venture meter

Pressure gauge

Dynamometer

Pitot tube

d

What is the temperature in °C of 2 liters of water
at 30°C after 500 calories of heat have been
added?

157°C

280°C

175°C

303.4°C

d

The volume of a liquid passing through a cross
section of a stream in unit time is called:

Steady flow

Uniform flow

Continuous flow

discharge

a

Determine the water nature through acidity or
alkalinity is;

pH value

color meter

pH meter

none of the above

a

Pipe fitting are intended to make change
direction, turn and offset, but their use must be
planned carefully so that waste within the line
have free passage, the fitting use in vertical to
horizontal changes of direction is:

long sweep bend

tee

wye fitting

all of these

d

Waste pipe is classified into two ways, according
to the type it serve, direct waste as one terminal
solidly joined to the plumbing system, whereas
indirect waste has terminal drain pipes simply
empty into the;

Plumbing system

Environment

Canal

None of these

b

Drinking fountain or bubbler when they are
located in the building may be connected to the
pipe that terminate into:

Soil pipe

Waste pipe

Wet vent

Vent tank

d

Sink are patterned in two style, trap standard to
the floor and trap to the wall, the sink used as a
rule for janitorial services in a building is called:

Pantry sink

Scullery sink

Wash-up sink

Slop sink

b

Corrosion in pipe, what is the by-product of
chemical reaction of oxidation in forming ferrous
oxide or rust is covered by the action of:

Carbon dioxide

Sulfur oxide

Methane gas

All of these

b

Pipe is one of the oldest plumbing materials and
very suitable for underground installation, but
never recommended to convey water human
consumption because it is poisonous:

Copper pipes

Lead pipes

Clay pipes

Bituminous pipe

a

The pipe that is remarkable for hot water lure
installation:

Copper pipes

Brass pipes

Stainless pipes

Synthetic pipes

c

The non-soluble materials which is the end
product after biological action of bacteria in
waste and what settles at the bottom of the
septic tank is called:

Scum

Sledge

Sludge

smudekne

d

Which sources of water supply that was not used
in the older days?

Rain

Spring and wells

Creeks and rivers

Centralized treatment of reservoir

a

What is that appurtenant structure installed at
the basement floor of a building which waste
water are drained?

Sump pit

Septic tank

Catch basin

Floor drain

d

What water storage that was not used during
primitive period?

Earthen jars

Wooden jars

Bamboo container

Glass container

b

Interconnection of sewer service pipe into a
sewer main is made by punching the sewer main
a hole to fit the sewer service. In what poit on the
sewer main does interconnection made?

45° above the flow line of the main

On the top of the sewer main

At the bottom of the sewer main

At middle side of sewer main

c

What is water that diminishes the capacity of
water to form lather with soap?

Bacteria

Suspended materials

Mineral that makes water hard

Presence of sodium ions

b

Saddle clamp is a pipe fitting which is not use
when water service is to be interconnected to the
type of water main.

Centrifugal cast iron pipe

Asbestos cement pipe

Galvanized iron pipe

PVC pipe

c

Flowing stream of water has the tendency to
purify itself which term is not applicable in the
purification?

Sedimentation

Infiltration

Dilution

Aeration

d

How far should a septic tank be constructed away
from the water supply source to prevent
contamination?

20.3 m

10.5 m

7.1 m

15.2 m

b

What is the chief factor in clarification of still
water since particles of solid materials will settle
more readily in still than flowing water?

Infiltration

Sedimentation

Dilution

Aeration

a

The soil branch piping installed in horizontal run
must be supported by iron hanger at closet
interval to prevent sagging. What is the distance
apart the hangers?

1.5 m

3 m

2.3 m

0.8 m

d

Before water from any source will be adopted for
domestic water supply, what kind of examination
will it be subjected to:

Infiltration and sedimentation

Aeration and bacteriological

Dilution and chemical

Chemical and bacteriological

d

Which method that is not commonly used for
bringing water from its source to the customer?

Gravity system

Distributing reservoir system

Domestic water softener system

Direct pressure system

c

A well that penetrates the earth to depths of not
more than 100 ft

Flowing well

Shallow well

Deep well

Artesian wel

a

To reduce the excessive pressure that produces a
hammering sound, how long, a pipe should be
added and installed on the top of riser of the
highest fixture level to absorb air pressure.

0.3-0.9 m

0.4-1 m

1-1.5 m

0.6-1.2 m

b

What is the minimum horizontal distance
required between vent terminal and window
opening of a building?

1.5 m

3 m

1 m

0.5 m

d

What should be the minimum clearance that
should be made with respect to the floor line to
allow convenient opening or closing of a clean
out?

100 mm

200 mm

50 mm

300 mm

d

A well that passes through one or more source
impervious strata and penetrates a water bearing stratum in which water is held under pressure and water rises in the well?

Flowing well

Shallow well

Deep well

Artesian well

a

What is the size of relief vent on a circuit vented
soil branch installation of plumbing fixtures?

½ times the diameter of the soil pipe

Equal diameter of the soil pipe

1 ½ times the diameter of the soil

¼ times the diameter of the soil

a

What is the size of the yoke or by pass vent for a
high rise building?

Equal size of the main vent

½ times the size of the main vent

1 ½ times the size of the main vent

¼ times the size of the main vent

a

The top of the well is lower that the high position of the previous stratum from which the water is obtained and water will rise through the entire length of the well and way flow from the wall without pumping

Flowing well

Shallow well

Deep well

Artesian well

c

What do you call the undesirable type of
vegetation formed when water reservoir is
exposed to light?

Septic scum

Sledge

Pond scum

floe

d

Which does not apply in the removal of
suspended materials and color in the water
supply?

Sedimentation

Coagulation

Filtration

Chlorination

a

The pipe or shaft which is used to remove foul or
congested air from a fixture or a room and convey the same to the atmosphere is called _______

Local vent

Crown vent

Back vent

Venting pipe

a

What is the process of water supply purification
which consists of applying certain chemicals in
particles too small to be removed by plain
sedimentation?

Coagulation

Sedimentation

Filtration

Screening

d

What is the type of water closet prescribed for
public toilet?

Elongated bowl type

Oval bowl type

Circular bowl type

Egg shaped bowl type

c

What is the process of exposing water in their
films to the oxygen of the atmosphere in order to
remove neutralize the taste, odor and dissolved
oxygen?

Filtration

Screening

Aeration

Sedimentation

a

What is the pipe fitting with outside thread and
projecting square head used for closing the edge
of another fitting?

Plug

Cap

Knot

Bushing

c

The jelly like substance being formed in the
process of coagulation?

Scum

Sledge

Floe

alum

a

The handicapped fixtures are usually designed for people with less physical ability that the general public. For the handicapped, what is the
prescribed height of the toilet bowl?

450 mm

400 mm

500 mm

600 mm

d

What are the used disinfections large public
water supplies?

Ultraviolet rays

Ozone

Floe

Chlorine

b

The difference between a tube and a pipe is that
the tube has relatively thin wall and ____.

Straight edge

The listed size correspond to the outside diameter

Relatively square edge

The listed size correspond to the inside diameter

d

What is the important advantage of chlorine
compared to other water supply treatment?

Control the growth of algae

Effective in the coagulation process

Control taste and odor

Kills bacteria

a

What is the prescribed distance of vent from trap
seal in plumbing installation?

1.5 m

0.6 m

2 m

1 m

a

What is that vent pipe system on plumbing which
liquid waste flow through?

Wet vent

Yoke vent

Stack vent

Back vent

b

The classification of water when it contains
dissolved salts of calcium and magnesium?

Soft

Hard

Balanced

Neutral

d

What is that vent pipe in plumbing that serve the building drain and building sewer?

VSTR

SVTR

Yoke vent

Relief vent

b

What is that receptacle attached to the plumbing
system other than trap on which water or waste
may be collected or retained for ultimate
discharge into the drainage?

Catch basin

Fixture

Bleeder

Manhole

c

How is water hardness measured?

Ounce of hardness

Grains per gallon

Parts per million

Soap suds

c

What is the pipe connection in which a ball is held in a cup-like that allows movement in every
direction?

Universal joint

Uniform patent

Ball joint

Caulk joint

d

What is the good reason why hardness in water is objectionable?

Dangerous to health

Nuisance in household operation

Water using equipment cannot operate

Scaling of boilers

a

Leaching field is categorized as one of the on-site efferent disposal for septic tank. How far should be the distance from a shallow well to prevent contamination of water?

25 m

50 m

15 m

a

What do you call that process of removing the
hardness causing minerals from water?

Water softening

Hardness removal

Demineralization

Dehardinization

a

In plumbing, the unobstructed vertical distance
through the free atmosphere, between faucet
supplying water and the flood level rim of a
fixture is called ______

Air gap

Airline

Flushing lane

Goose neck

d

What is the minimum capacity of the water tank
needed for a complete water closet flushing in a
toilet?

19 L

26 L

15 L

12 L

a

What is vertical distance between the dip and
crown weir of the trap?

Trap seal

Crown air

Leader

Bleeder

a

What is that fittings so installed in plumbing
system to prevent passage of air, gas and some
vermin through the pipe?

Trap

Check valve

Flap valve

Gate valve

a

What is the type of wrench used in working with
plated finish and in place with too small to admit
pipe wrench?

Strap wrench

Closed wrench

Open wrench

Pipe tong

a

What is that fitting that operates automatically
when refilling the water tank after each discharge
and shutting off completely when the tank is
already full?

Float valve

Foot valve

Pressure regulating Valve

Check valve

b

An oil tank is 3m long, 3 m wide and 2 m high,
when it is full of coconut oil specific gravity of
0.90, find the downward force at the bottom of
the tank.

16,300 kg

16,200 kg

15,200 kg

14,200 kg

b

A swimming pool is 6m wide by 12m long, if is
1.20 m deep in one end and 2.40 at the other
end. How many gallon of water does it contain?

34,140 gal

34,240 gal

33,240 gal

34,250 gal

b

A rectangular ground reservoir is to be
constructed to serve the water supply
requirement for a commercial building the
outside dimension of the reservoir is 8m long, 6m wide and 8m deep. Compute for the total cost of excavation if the cost of labor is P50.00 per cubic meter

P1,920

P19,200

P18,200

P1,820

a

Master Plumber A can finish the excavation and
pipe laying of storm drainage in 8 hrs, Master
Plumber B require 10 hrs to do same job. How
many hours are required if both A &B work
together?

4.24 hrs

3.24 hrs

5 hrs

3.5 hrs

b

A plumber is to use a deep well as source of water to supply for the building under construction and he want to estimate the length of intake pipe, so, from the surface of the ground he drop a coin into the well and after 2 seconds he heard the splashing sound down under, how deep is the well?

32.2 ft

64 ft

22.2 ft

33 ft