Green Plumbing Practice Test

Green Plumbing Practice Test

Our Green Plumbing Practice Test offers is a prep module that will prepare you to score when taking the test by covering each aspect of green plumbing, including water-efficient technology, building plumbing inspection, solar hot water, caring for our planet, and caring for our water.

We present to you 50 questions and we have also provided an explanation of the correct answers in order to provide efficient and practical learning.

Green Plumbing Practice Test

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Your answers are highlighted below.
Question 1
Please mark the crucial step in the process of water audit conduct preparation:
A
Revision of available water and energy usage from past bills
B
Identification of current incentives available from the customer’s water and energy utilities
C
Scheduling of audit time according to the customer's preference
D
All of the above
Question 1 Explanation: 
Revision of available water and energy usage from past bills, identification of current incentives available from the customer’s water and energy utilities as well as scheduling of audit time according to the customer's preference are equally important steps in this process.
Question 2
Please mark one of the following which is not a measurement mainstay of the water audit toolkit:
A
Flowmeter
B
Drip gauge
C
Spray meter
D
Water pressure gauge
Question 2 Explanation: 
Spray meter is not a measurement mainstay of the water audit toolkit.
Question 3
Please mark one of the following which is not a smaller recommended component of the water audit toolkit:
A
Latex gloves
B
Showerheads
C
Teflon tape
D
Mirror
Question 3 Explanation: 
Latex gloves are not is a smaller recommended component of the water audit toolkit.
Question 4
Please mark the respective rough proportion of elements which are directly related to user behavior in contrast to those that are related to billing, repairs, and the presence/performance of certain appliances and fixtures according to the Green Plumbers Reference Manual:
A
1:3
B
2:1
C
1:1
D
1:2
Question 4 Explanation: 
The proportion is approximately 1:2 considering initial water audit questions that are usage behavior-related vs. related to billing, repairs, and the appliances/fixtures.
Question 5
Please mark the crucial step in basic outdoor residential water audit checklist:
A
Checking for visible leaks in outdoor spigots
B
Noting of presence or absence of outbuildings
C
Noting if the irrigation system is on a timer
D
A and B
Question 5 Explanation: 
Checking for visible leaks in outdoor spigots and noting of presence or absence of outbuildings is the crucial step in a basic outdoor residential water audit checklist.
Question 6
Please mark the one of the following which is not a crucial step in a basic indoor residential water audit checklist:
A
Checking of the ice maker
B
Checking of water filtration system
C
Checking of toilet refill tube position
D
Checking of bathroom fan
Question 6 Explanation: 
Checking of a bathroom fan is not a crucial step in a basic indoor residential water audit checklist.
Question 7
Please mark one of the following which is not a crucial step in the indoor visual inspection component of a water audit checklist:
A
The fuel source for water heater
B
Percentage of uncarpeted living space
C
Drafts around windows and doors
D
Potential for graywater reuse
Question 7 Explanation: 
The percentage of uncarpeted living space is not a crucial step in the indoor visual inspection component of a water audit checklist.
Question 8
Please mark what is not a crucial step in the outdoor visual inspection component of a water audit checklist:
A
The condition of roof
B
Waste disposal system type
C
Percentage of tree cover
D
Presence or absence of vacuum breakers
Question 8 Explanation: 
The percentage of tree cover is not a crucial step in the outdoor visual inspection component of a water audit checklist.
Question 9
Please mark one of the following that is not commonly considered when revising the inspection checklist with the customer:
A
Revising the checklist with the customer offsite is not commonly considered when revising the inspection checklist with the customer.
B
No belaboring of a question if the answer got is not complete
C
Providing time to work through all of the questions
D
Including more relevant questions in real-time
Question 9 Explanation: 
Revising the checklist with the customer offsite
Question 10
Please mark what is not a maintenance problem to be pointed in an irrigation inspection checklist:
A
Overspray to unnecessary areas
B
Broken sprinklers
C
Gallons per flush
D
Sunken areas of yard
Question 10 Explanation: 
Gallons per flush are not considered a maintenance problem to be pointed in an irrigation inspection checklist.
Question 11
Please mark one of the following that doesn't belong to the main sections of the Green Plumbers Inspection Report:
A
Bath & toilet water audit
B
Kitchen water audit
C
Laundry water audit
D
Swimming pool water audit
Question 11 Explanation: 
The swimming pool water audit doesn't belong to the main sections of the Green Plumbers Inspection Report.
Question 12
Please mark one of the following which is not taken into account when planning the logistical details of a water audit with the customer:
A
Being equipped with knowledge of utility rates and financial incentives
B
Ensure the customer doesn't have distractions that could complicate their ability to participate in the audit
C
Having the customer sending a year’s worth of past water and utility bills before the audit
D
None of the above
Question 12 Explanation: 
All of the above are typical considerations in planning the logistical details of a water audit with the customer.
Question 13
Please mark what is not a good source for identifying rebates for water-efficient products:
A
Flushmate
B
ENERGY STAR
C
WaterSense
D
Water Savings World
Question 13 Explanation: 
Water Savings World is not a good source for identifying rebates for water-efficient products.
Question 14
Please mark what is not a good source for identifying rebates for water-efficient products:
A
Flushmate
B
ENERGY STAR
C
WaterSense
D
Water Savings World
Question 14 Explanation: 
Water Savings World is not a good source for identifying rebates for water-efficient products.
Question 15
As a plumber, where can you find water-related product rebate information for a specific geographical area?
A
On a local utility website
B
On a manufacturer website
C
On a WaterSense website
D
On each of the above websites
Question 15 Explanation: 
Each of these websites can be a source of information.
Question 16
Please mark the difference between conducting commercial and residential water audits:
A
Audit at the commercial site is overly expensive for the financial outcome
B
No visual inspections can be done with an audit at the commercial site
C
The commercial site doesn't provide turning off the water
D
None of the above
Question 16 Explanation: 
The commercial site doesn't provide turning off the water while residential water audits rely on the plumber’s ability to turn off the water supply.
Question 17
Please mark the device that must be the first step for residential water audit:
A
Water meter
B
Channel locks
C
Water pressure gauge
D
Food coloring or dye tablets
Question 17 Explanation: 
The water meter must be the starting point for a residential water audit.
Question 18
Please mark the number that signifies gallons in hundered-cubic feet:
A
415
B
748
C
563
D
933
Question 18 Explanation: 
There are 748 gallons in hundred-cubic feet.
Question 19
Please mark the term which describes the measurement of the uniformity of water application to landscapes:
A
Scatter cohesion
B
Distribution uniformity
C
Dispersal uniformity
D
None of the above
Question 19 Explanation: 
Distribution Uniformity is the term that explains the measurement of the uniformity of water application to landscapes.
Question 20
Please mark the basic number of days needed for a commercial water audit in an office building occupied Monday through Friday:
A
365
B
300-315
C
265-275
D
250-260
Question 20 Explanation: 
250-260 days are needed for commercial water audits in an office building occupied Monday through Friday.
Question 21
Please mark what shouldn't be considered in a building plumbing inspection at a convenience store:
A
Numbers of baths per week
B
Hours of operation
C
The possibility of customers to use restrooms
D
The possibility to prepare food onsite
Question 21 Explanation: 
Hours of operation are not a factor that ought to be taken into account in a building plumbing inspection at a convenience store.
Question 22
Please mark what shouldn't be considered in a building plumbing inspection at a convenience store:
A
Number of baths per week
B
Hours of operation
C
The possibility of customers to use restrooms
D
The possibility to prepare food onsite
Question 22 Explanation: 
Number of baths is not a factor that ought to be taken into account in a building plumbing inspection at a convenience store.
Question 23
Please mark the proportion of homes in the US that has a water leak according to the USGS:
A
1 in 458
B
1 in 388
C
1 in 318
D
1 in 208
Question 23 Explanation: 
1 in 318 homes has a water leak according to the USGS.
Question 24
A single back-flushing event for a traditional pool filter design uses_________ gallons.
A
180 to 250 gallons
B
100 to 140 gallons
C
240 to 300 gallons
D
40 to 70 gallons
Question 24 Explanation: 
A single back-flushing event for a traditional pool filter design uses 180 to 250 gallons.
Question 25
________________________ is not a common factor in calculating financial savings from reducing hot water usage.
A
Energy savings
B
Water savings
C
Stormwater disposal cost reduction
D
Water savings
Question 25 Explanation: 
Stormwater disposal cost reduction is not a common factor in calculating financial savings from reducing hot water usage.
Question 26
________________________ is not a common factor in calculating financial savings from reducing hot water usage.
A
Energy savings
B
Water savings
C
Stormwater disposal cost reduction
D
Water savings
Question 26 Explanation: 
Stormwater disposal cost reduction is not a common factor in calculating financial savings from reducing hot water usage.
Question 27
Please mark what is not a regular step when determining the water use of an irrigation system zone:
A
Taking initial water meter reading, run zone for X minutes followed by an additional reading.
B
Measuring the size of irrigation zone in square feet
C
Identifying irrigation length event and frequency of events on a weekly basis
D
Calculating the product of GPM and minutes/week
Question 27 Explanation: 
Measuring the size of the irrigation zone in square feet isn't a basic step in determining the water use of an irrigation system zone.
Question 28
Please mark what doesn't impact the determination of annual water savings attainable by switching to a high-efficiency toilet:
A
Number of persons in the household
B
Gallons per flush
C
Tank refill rate
D
Average flushes per day
Question 28 Explanation: 
The tank refill rate doesn't impact the determination of annual water savings attainable by switching to a high-efficiency toilet.
Question 29
Please mark one of the following which doesn't determine annual water savings attainable by switching to a high-efficiency showerhead:
A
Number of persons in the household
B
Gallons per minute
C
Shower minutes per person per day
D
Maximum hot water temperature
Question 29 Explanation: 
The maximum hot water temperature doesn't determine the annual water savings attainable by switching to a high-efficiency showerhead.
Question 30
Knowing the PET rate for a specific area is important in understanding ____________________.
A
The amount of water lost that needs to be replaced through irrigation
B
How much water needs to be replaced through irrigation
C
All of the above
Question 30 Explanation: 
Knowledge of PET is important to understand the calculation of the amount of water loss that needs replacement through irrigation and the total amount needed for landscape irrigation.
Question 31
Please mark the PTE rate that would need the most additional irrigation, having in mind hypothetically identical plant water needs:
A
4.5 inches
B
1.2 inches
C
3.0 inches
D
2.3 inches
Question 31 Explanation: 
4.5 inches as ET is the inverse of rainfall in effect.
Question 32
Please mark one of the following which includes the components of evapotranspiration:
A
Plant transpiration and irrigation leakage
B
Planting density and plant transpiration
C
Ground evaporation and irrigation leakage
D
Plant transpiration and ground evaporation
Question 32 Explanation: 
Plant transpiration and ground evaporation are components of evapotranspiration.
Question 33
If water pressure decreases from 75 PSI to 50 PSI, water will be reduced by_______.
A
20%
B
40%
C
10%
D
60%
Question 33 Explanation: 
If water pressure decreases from 75 PSI to 50 PSI, water will be reduced by 20%.
Question 34
Please mark the conversion factor for converting gallons per minute to liters per minute:
A
2.885
B
4.065
C
6.265
D
3.785
Question 34 Explanation: 
3.785 is the number that you should multiply by to convert gallons per minute to liters per minute.
Question 35
In order to convert degrees Celsius to degrees Fahrenheit, we use the following conversion factor ________________.
A
(2.1 x ⁰C) + 32
B
(1.8 x ⁰C) + 32
C
(⁰C - 32) x 0.556
D
(⁰C - 32) x 0.445
Question 35 Explanation: 
(1.8 x ⁰C) + 32 is the conversion factor for converting degrees Celsius to degrees Fahrenheit.
Question 36
Please mark what is not correct for a Smart Controller:
A
It makes adjustments to irrigation schedules.
B
It requires an initial setup specific to its installation site.
C
It works only in drier seasons.
D
It measures available plant soil moisture depletion.
Question 36 Explanation: 
A Smart Controller doesn't work only in drier seasons.
Question 37
Newer models of reverse osmosis water filtration systems generate reject water and create product water at an approximate ratio of _____________.
A
4:1
B
2:1
C
1:1
D
8:1
Question 37 Explanation: 
4:1 is the ratio of reject water to product water in newer models of reverse osmosis water filtration systems.
Question 38
Please mark the advantage of a tankless water heater:
A
Provides nearly unlimited hot water
B
It can save energy through decreased standby losses
C
Both of the above
Question 38 Explanation: 
The advantage of a tankless water heater is that it can save energy through decreased standby losses and provide nearly unlimited hot water.
Question 39
Please mark what is not a potential disadvantage of a tankless water heater:
A
Being prone to occasional leakage
B
Increasing hot water usage
C
Take more time for producing hot water
D
Increasing energy usage
Question 39 Explanation: 
Being prone to occasional leakage is a potential disadvantage of a tankless water heater.
Question 40
Please mark the water pressure that signals need for installation of pressure reducing valves:
A
80 PSI
B
50 PSI
C
65 PSI
D
95 PSI
Question 40 Explanation: 
80 PSI signals need for installation of pressure reducing valves.
Question 41
What offers market expansion that is potential for plumbers in order to facilitate residential water system improvement recommendations to customers?
A
The specialization in showerhead selection
B
The audition and management of irrigation systems
C
The focus on dishwasher installation
D
None of the above
Question 41 Explanation: 
The audition and management of irrigation systems offer market expansion potential for plumbers.
Question 42
_________________ would not be recommended to a customer for a lawn grass in New Mexico.
A
Zoysia grass
B
Perennial ryegrass
C
Bermuda grass
D
St.Augustine grass
Question 42 Explanation: 
Perennial ryegrass would not be recommended to a customer for a lawn grass in New Mexico.
Question 43
Please mark what a plumber shouldn't recommend to a customer regarding efficiency:
A
To use solar hot water appliances instead of applicable appliances
B
To install a graywater diversion system
C
To install a rainwater storage system
D
None of the above
Question 43 Explanation: 
All three options are highly recommended in terms of efficiency.
Question 44
Please mark a component of a toilet's operation that doesn't provide customers an opportunity for water conservation:
A
Flush valve/flapper
B
Tank lid
C
Toilet water flow
D
Fill valves
Question 44 Explanation: 
The tank lid doesn't provide water conservation.
Question 45
Please mark a benefit that a customer will get when switching to a high-efficiency washing machine:
A
Better clean of clothes in HE washing machine
B
Clothes will be less worn and torn in HE washing machines
C
Fast washer spin dries clothes enough to reduce dryer energy
D
All of the above
Question 45 Explanation: 
Each of the three options are the benefits of a HE washing machine for a customer.
Question 46
Which of the following is an issue with HE faucet aerator choices:
A
Occasional myriad sizes necessitate adapters
B
Limited selection
C
Less-efficient pencil spray with some
D
Longer hot water wait times
Question 46 Explanation: 
A limited selection is an issue with HE faucet aerator choices.
Question 47
Each regeneration cycle of a water softener uses up to _________ gallons of potable water.
A
150
B
75
C
25
D
50
Question 47 Explanation: 
Up to 150 gallons of potable water can be used in one regeneration cycle of a water softener.
Question 48
What is not an issue regarding conservation efforts related to water heating?
A
Misinformation from governmental agencies
B
Conflicting water and energy conservation programs
C
A plumbing system that is poorly designed
D
Well-insulated pipes
Question 48 Explanation: 
Well-insulated pipes are not a common issue regarding conservation efforts related to water heating.
Question 49
When should, as time and customers allow, the plumber install simpler and less costly efficiency products, such as faucet aerators?
A
When costs and financing have been finalized
B
At the time of the audit
C
During the next time period without rainfall
D
None of the above
Question 49 Explanation: 
The plumber should install simpler and less costly efficiency products, such as faucet aerators at the time of the audit.
Question 50
Please mark what is not a crucial step when making a schedule of future efficiency-plan-related installations with the customer:
A
To contact a certification body for future inspection and certification of installation
B
To determine when the site will be available for work
C
To list out potential financial incentives
D
None of the above
Question 50 Explanation: 
All three steps are necessary for making a schedule of future efficiency-plan-related installations with the customer.
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