WorksheetsMP PE 17
Total questions: 102
Worksheet time: 51mins
A variation of pipe wrench with a swiveling serrated jaw and knurled control knob located between the frame forming the head and the handled of the wrench?
Pipe wrench
Stillson wrench
Rap wrench
End pipe wrench
As an experienced plumber, what is the recommended size of the drain serving water closet?
3 in.
4 in.
5 in.
6 in.
A brewery plant requires a piping system to convey beer, ale, spirituous liquor and distilled water. What kind of pipe to be used?
Black Tin Pipe
Copper Pipe
Cast Iron Pipe
Terra-cotta Pipe
A red spiral line painted on a pipe identified the pipe as _____.
Cast iron pipe
Wrought-iron pipe
Copper pipe
Brass pipe
A hotel requires hot and cold water supplies. What kind of pipes best suited?
Cast iron pipe
Copper pipe
Galvanized wrought iron pipe
Plastic/synthetic pipe
A registered master plumber is consulted to install piping system for water, gas, steam and oil. What kind of pipe is recommended?
Cast iron pipe
Plastic pipe
Lead pipe
Wrought iron pipe
What kind of pipe to be used where heating panels are considered in concrete slabs for the purpose of melting snow?
Plastic pipe
Wrought iron pipe
Lead pipe
Terra-cotta pipe
When cutting pipe that coated internally with enamel or glass, delicate core should be taken to avoid cracking or chipping the internal coating. What kind of tool that should NEVER used for cutting such pipe?
Adjustable hacksaw
Pipe reamer
Wheel pipe cutter
Square-edge pipe cutter
When a very short pipe is threaded. What will you see?
Hollow jumper
Nipple chuck
Solid jumper
Pipe tong
What is that tool used for expanding the ends of lead pipe?
Shave hook
Turn pin
Drift plug
Dresser
When using an extension ladder, what will be the maximum sliding sections allowed?
2 ½ sliding sections
3 ½ sliding sections
2 sliding sections
3 sliding sections
An 8 meters aluminum ladder is used in delivering plumbing fixtures to the second the foot of the ladder be placed from the wall of the building?
2 meters
2 ½ meters
3 meters
3 ½ meters
As registered master plumber, you have to use a ladder to carry the pipes to the second floor of the building, what will be the horizontal distance from the foot of the ladder to the wall that you considered proper?
¼ of the ladders length
1/3 of the ladders length
1/2 of the ladders length
3/8 of the ladders length
What is that valve recommended for installation that call for throttling?
Globe valve
Gate valve
Check valve
Angle valve
What is the approximate height above the floor level of a kitchen sink?
30 inches
34 inches
36 inches
38 inches
What is the approximate height above the floor level of a built-in bathtub floor level?
12 inches
16 inches
18 inches
24 inches
What is the device used to support the water supply riser?
Pipe rest
Iron ring
Iron insects
Eye log bolt
What is that fitting necessary in a water supply system which is used to the water supply in some portion of the installation?
Meter stop
Valve
Curb stop
Corporation stop
What kind of valve is suited for the water main supply lines and pump lines?
Angle valve
Gate valve
Globe valve
Generally, the registered master plumber must be systematic in connecting the riser branches to the main of the water supply system. What will be the right angle of all branches connection to the main?
30
45
60
90
What do you call the plugging of an opening with oakum, lead or other materials which are pounded into place or materials pounded into the opening?
Caulking
Plugging
Stopping
Closing
The material used to join or connect plastic pipe is called?
Lead
Flux
Solder
Solvent cement
What is the minimum length of time before a jointed plastic pipe be subjected to pressure test?
1.5 hours
2 hours
2.5 hours
3 hours
In bending plastic, what will be the practical material to be used to prevent fattening of the pipe?
Sand
Gravel
Water
Metal spring
What is the part of the piping of a plumbing installation which supplies the plumbing fixtures with an adequate flow of water?
Soil and vent piping system
Domestic hot water piping system
Domestic water distribution system
Water and waste piping system
What is the usual horizontal length that the cast iron be supported to prevent damage at joints caused by sagging?
1.25 m
1.5 m
1.75 m
2.0 m
What will be provided to prevent contamination from the polluted water of the fire truck to the house water supply system?
Gate valve
Check valves & gate valve
Water main stop
Water meter stop
What is the name of the instrument which used in caulking oakum in the joints of cast iron pipe?
Iron rod
Yarning iron
Chisel
Angle bar
On what type of building are wet standpipes generally used?
Tall building
Large building
Very tall building
Smaller building
What is that feature which offers a convenient water supply for firemen, making it necessary for the fire department to transport and user much expensive fire fighting apparatus?
Stand pipe
Fire truck ladder
Fire truck
Overhead water tank
Fire system piping is usually painted with?
Red color
Yellow color
Green color
Blue color
What is the device which is to be installed on the water service between the edge of the street and the sidewalk line which serves as a control valve in case water supply in cut-off to the building?
Curb stop
Meter stop
Gate valve
Corporation stop
What circumstances should the curb stop is used?
When the water has to be controlled.
When the pressure is excessive.
When the water pressure is low.
When the water pressure can cause flooding.
Why is it corporation stop required when the main water pipe is tapped with pressure on?
It serves as a meter.
It serves as a control stop.
It serves as a pressure balancer.
It serves as a shut-off when water is excessive.
It is essential that pipe threads to be cut
accurately to ensure that threads for fittings will
be universal so that the manufacturers of pipe
threading equipment follow the American
Standard. How many threads per inch for pipes
having a diameter of 3 in/ 4 in/ 5 in?
5
8
14
18
The allowable tensile stress of wrought iron steel pipe is 750 psi. It is to be used for hot water supply with working pressure of 300 psi. what schedule of the pipe should you specify? N = 100P/ S.
20
40
60
80
A schedule of 80 wrought iron pipe can withstand a steam pressure up to?
125 psi
200 psi
600 psi
500 psi
A wrought iron pipe schedule of 40 can withstand a steam pressure up to?
125 psi
200 psi
250 psi
300 psi
Name that tool which is made of boxwood, dogwood or lignum vitae, and it is used for dressing or working sheet lead, lead pipe bends, and bath traps.
Turn pin
Dresser
Shave hook
Drift plug
What is the handy tool for threading the end of the pipe in a trench or in the corner of a cellar where a pipe projects too far and threaded in place?
Ratchet stocks
Taps
Single wheel pipe threader
Geared pipe threader
In the trade of piping, the term “tapping” is used to described ____.
Drilling of holes through metal
Cutting of internal threads
Smoothing of ridges
Joining of lead pipes
A pipe vise is needed to?
Keep pipe rigid for cutting
Straightened a tapered tap in a hole
Expands the ends of the lead pipe
Retain melted lead in a joint
In a certain plumbing installation, a lead pipe is being used. How do you usually join the lead pipe?
Melting the pipe ends
Threading the pipe ends
Tapping the pipe ends
Reaming the pipe ends
What should be the maximum length of the ladder when fully extended of a an extension ladders?
40 feet
50 feet
60 feet
70 feet
What will be the maximum water service pressure at the point where the building distribution system begins?
80 psi
90 psi
100 psi
120 psi
What is usually the primary cause of troubles in excavating operations for water pipes?
Inadequate drainage
Underground utilities
Lack of shoring
Stagnant water
What is the suitable gasket material for a flange union in oil lines?
Rubber or asbestos sheet
Rubber or asbestos composition
Metallic or rubber composition
Metallic
What is the suitable gasket material for flange union in cold water piping?
Rubber
Leather
Metallic
Asbestos
What is the suitable gasket material for flange union in gasoline conduction?
Rubber or asbestos sheet
Rubber or asbestos composition
Metallic or rubber composition
Metallic
What is the smallest plumbing fixture used as the basis in determining the fixture unit value?
Lavatory or wash basin
Floor drain
Water closet
Kitchen sink
As an experienced registered master plumber, what will be the ideal size of the P-trap that should be installed underground or embedded on a concrete slab?
100 mm
150 mm
200 mm
250 mm
A 100 mm x 3.0 m plastic pipe is used to install in house drainage. The face-to-face distance is 4.40 meters. The engagement length is 45 mm and the solvent cement per joint requires is 16 g.
I. Determine the number of pipes
1.47
1.74
1.62
1.15
A 100 mm x 3.0 m plastic pipe is used to install in house drainage. The face-to-face distance is 4.40 meters. The engagement length is 45 mm and the solvent cement per joint requires is 16 g.
What is the amount of solvent in grams?
32
48
64
75
A 100 mm x 3.0 m plastic pipe is used to install in house drainage. The face-to-face distance is 4.40 meters. The engagement length is 45 mm and the solvent cement per joint requires is 16 g.
If the cost of solvent cement is 80.00 Php per gram, what is the total cost of solvent cement?
2,560.00
3,840.00
5,120.00
6,000.00
What condition must be satisfied for the water supply in building?
fast removal of the waste with a minimum probability of leakage and stoppage of drain
fixtures should be vented to avoid siphonage or backflow
the drainage pipe should be graded properly for downward gravity flow of water towards the discharge point
Supply sufficient amount of water to each fixture and prevent backflow to avoid contamination
Each fixture in the plumbing system represents a certain demand for water, what is the water demand of the wall hydrant?
3 gpm
5 gpm
8 gpm
9 gpm
Each fixture in the plumbing system represents a certain demand for water, what is the water demand of the bathtub faucet?
2 gpm
3 gpm
4 gpm
5 gpm
Each fixture in the plumbing system represents a certain demand for water, what is the water demand of a shower head?
1 gpm
2 gpm
3 gpm
4 gpm
Each fixture in the plumbing system represents a certain demand for water, what is the water demand of the sink faucet?
1 gpm
2 gpm
3 gpm
4 gpm
Each fixture in the plumbing system represents a certain demand for water, what is the water demand of the drinking fountain?
1/2 gpm
2/3 gpm
3/4 gpm
4 gpm
What is the name of that piece of pipe less than 12 inches in the length threaded on both sides?
Short pipe
Cut pipe
Pipe
Nipple
What do you call that short pipe whose thread at both ends meet?
Close nipple
Short nipple
Shoulder nipple
Long nipple
What do you call that pipe whose thread at both ends leaves a small amount of space?
Cut pipe
Long pipe
Short pipe
Stack
What is the minimum nominal diameter of a water service line pipe which will provide the building with water requirements during peak demands?
¼ inch
½ inch
1/3 inch
¾ inch
What is the tin content in a brass fitting?
5%
10%
20%
25%
What is the zinc content in a brass fitting?
25%
20%
10%
5%
What is the lead content in a brass fitting?
5%
10%
15%
20%
What is the copper content in a brass fitting?
80%
85%
90%
95%
A 25 mm diameter water pipe can carry water equivalent to how many 12 mm diameter water pipe?
3
4
5
6
The recommended fall per foot for a 4 in pipe and larger due to impractical depth is _____.
½ in per foot
5/8 in per foot
¼ in per foot
1/8 in per foot
The recommended fall per foot for a 3 in pipe and larger is _____.
½ in per foot
5/8 in per foot
¼ in per foot
1/8 in per foot
In roughing-in for lavatory that is to have an 1-½ in drain, the distance between the fixture trap and the vent is not more than_____.
10’-0”
6’-0”
3’-0”
5’-0”
What is the maximum depth of trench for subsurface drain tile where the soil is to satisfactory absorption?
4’-1”
1’-6”
2’-1”
3’-0”
Each fixture in the plumbing system represents a certain demand for water. What is the water demand of the water closet tank ballcock?
3 gpm
2 gpm
1 gpm
4 gpm
Which type of fire line installation has become obsolete and is seldom used?
Automatic system
Wet standpipe
Wet standpipe and Siamese connection
Dry standpipe
Generally, what is the standard diameter of the standpipe for buildings two or three stories in height?
4 in.
6 in.
3 in.
2 in.
Generally, what is the standard diameter of the standpipe for buildings more than six stories in height?
4 in.
6 in.
3 in.
2 in.
Why is a wet standpipe with Siamese connection considered most practical?
It is the specification of the fire department.
There is no need for the fire department pumper to used.
It is cheaper type of connection.
It is being served by the domestic water supply under constant pressure.
What is the disadvantage of the wet standpipe with Siamese connection?
The danger of contamination of the building water supply from the unknown source.
The Siamese connection is expensive.
The exposed Siamese connection and pipe can be subjected to vandalism.
The Siamese connection can obstruct the sidewalk.
What is the most practical method of repairing or correcting leak of a plastic pipe?
Cut and insert coupling
Insert additional bigger pipe
Cut and provide bushing
Replace the pipe
Careful installation of the water supply distribution is essential. Which statement differs among the group?
Sufficient grade and proper alignment
Short offsets and unnecessary fittings
Careful installed connections
Adequate size
Damage to property leaking points, trapped piping and water hammer in a water system are attributed to ____.
Poor workmanship
Poor design
Poor materials
Poor planting
In what ways must the water distribution system be suspended from the basement ceiling in large concrete buildings?
Using lead pipings
Using wooden plugs
Using eye log bolts
Iron inserted on the tough floor sheating and slushed into the concrete slab
What is that it is not good practice to use a gate valve on a lawn sprinkler?
It is expensive.
It is bulky.
It will fail to close tightly.
It is hard to operate.
Why must basement water supply must be properly graded and aligned?
To pitch the water lines to one low point.
It is convenient to provide a drum valve to make it possible to drain the entire water system.
To eliminate the danger of property damage.
All of the above.
Where should gate valve be used?
In between the main supply line and pump line.
After the water meter.
After the entrance of the street water main.
At the midpoint between the corporation stop and the curb stop.
What is the recommended distance above the flood level rim of a unit for a vacuum breaker to be installed?
6 in.
4 in.
9 in.
12 in.
In what instances that a mechanical drainage will be used?
The volume of sewage is excessive.
Pump or ejectors are readily available.
Building is provided with basements and subbasements.
Drainage cannot be affected by gravity.
What kind of pipe usually used as leaders in tall buildings?
Wrought iron pipe
Plastic pipe
Copper pipe
Cast iron pipe
What will be the best kind of pipe for underground drains within the buildings?
Cement pipe
G.i pipe
Copper pipe
Cast iron pipe
The drainage system in the building should be designed, constructed and maintained as to guard against fouling, deposits of solids and clogging. What feature should be provided to make maintenance efficient and effective?
Adequate cleanouts
Adequate water seal traps
Adequate vent pipes
Adequate water supplies
Why is rainwater leaders are often not included as part of the sanitary drainage system?
Not to overload the sewerage system.
Rainwater has no cleansing effect.
Volume of water is unpredictable.
Excessive rainwater hinders the treatment of the sewage.
Which word does not apply to the plumbing system?
Smoke tight
Air tight
Water tight
Gas tight
If a plumbing plan scaled as 1:10,000, then 10 cm x 20 cm catchment area in the plan is equal to ____ m^3 of rainfall in actual for every hour? Assume 100 mm/hr rain intensity.
300,000 m^3
200,000 m^3
400,000 m^3
None of the above
What is the shape for the signage for women’s comfort room in order to aid visually impaired women readily determine whether a washroom is for men or women?
Circle
Rectangle
Triangle
Square
A fire sprinkler head has a k-factor of 7.6. what is the flow rate at 15 psi?
(use the formula Q = k * sq.rt. (P))
24.3
29.4
41.3
57.1
All valves controlling the supply of a fire sprinkler system should be:
Gate
Labeling
Indicating
Insulating
Where practical, all pipes from fixtures shall be run in what direction with respect to the nearest wall or building line?
Perpendicular
Across
Offset
Parallel
By regulation, the minimum design pressure in distribution system is?
20 psi
30 psi
35 psi
40 psi
Are there major difference between sewer and septic system in your home?
They are very similar.
The only difference is in type of pipe used.
One uses pressure and other uses gravity.
None of the above.
Minimum height of Shower head.
1.88 m
1.78 m
1.98 m
None of the above
What is the number one reason why pumps cavitate?
Low pressure
Air leak in the suction line
Plugged suction strainer
Electric motor driving at an RPM that is too low
