WFSM - SET A (VOLUME 2) WITH
COMPLETE SOLUTIONS
In which storage area would you find routinely used, high-use materials, such as
polyvinyl chloride (PVC) pipe, glue, cleaner, and nails? - ANSWER-Bench stock
What happens when an individual planning a job orders the incorrect material by
mistake? - ANSWER-Civil engineers (CE) must accept the material, even if it cannot be
used for that job
What type of work is NOT part of preventative maintenance (PM)? - ANSWER-Utilities
operations
Which plan shows a top view of the building as if the top was cut off (cross-sectional)? -
ANSWER-Floor plan
What do you do to a base utility map any time you make a change in a utility system? -
ANSWER-Note changes on prints and notify engineering for updates
What three views are used in working sketches? - ANSWER-Top, side, and isometric
What written documents explain points that are not readily explained by drawings? -
ANSWER-Specifications
What formula is used to calculate chemical feed rate in pounds per day? - ANSWER-
Dosing
What is defined as the vertical distance from the surface of the water to the point of
use? - ANSWER-Head
What is the weight of one gallon (gal.) of water? - ANSWER-8.34 lb.
How many feet of head does 1 pound per square inch (psi) of water produce? -
ANSWER-2.31
Which metric prefix equals 1,000? - ANSWER-Kilo
Metric wrenches are sized in - ANSWER-Millimeters
What is the study of living things? - ANSWER-Biology
Which disease is commonly transmitted through drinking water? - ANSWER-Typhoid
, What is osmotic pressure? - ANSWER-The passing of water from an area of low-salt
concentration to an area of high-concentration
What is the study of the composition of matter? - ANSWER-Chemistry
What is the smallest unit of an element? - ANSWER-Atom
What happens when a base and an acid are mixed? - ANSWER-Neutralization
Gate valves are found in cross-country pipelines because - ANSWER-They allow line
scrapers to pass through them
How many different basic designs of gate valves are there? - ANSWER-2
How often do you perform gate valve inspections in fuel/water systems? - ANSWER-
Quarterly/Semiannually
During repacking, you should place a gate valve in what position? - ANSWER-Closed
What type packing is most commonly used on globe valves? - ANSWER-Teflon string
Non-lubricated plug valves generally fall into four main types including lift, movable-
seat, resilient-liner, and - ANSWER-Double block and bleed (DBB)
Which item prevents leakage past the hub of the resilient-liner plug valve? - ANSWER-
Diaphragm seal
What type valve does not have to be removed during hydrostatic testing? - ANSWER-
Double block and bleed (DBB) plug valve
What inspection and maintenance items are performed on a double block and bleed
(DBB) plug valve during a routine scheduled interval? - ANSWER-Proper operation,
operator lubrication, checking for leaks, and corrosion control
A 12-inch nonlubricated plug valve will have what type of operator? - ANSWER-Worm
gear
What is the FIRST step in removing a General Twin Seal plug valve operator? -
ANSWER-Close the main valve
The fuel system configuration that would not require you to manually bleed air out of the
pipeline after a valve is replaced, involves pumping - ANSWER-Directly into a storage
tank
What determines the gallon per minute (gpm) delivery of a gear pump? - ANSWER-
Space around gears and rpms turning the pump
COMPLETE SOLUTIONS
In which storage area would you find routinely used, high-use materials, such as
polyvinyl chloride (PVC) pipe, glue, cleaner, and nails? - ANSWER-Bench stock
What happens when an individual planning a job orders the incorrect material by
mistake? - ANSWER-Civil engineers (CE) must accept the material, even if it cannot be
used for that job
What type of work is NOT part of preventative maintenance (PM)? - ANSWER-Utilities
operations
Which plan shows a top view of the building as if the top was cut off (cross-sectional)? -
ANSWER-Floor plan
What do you do to a base utility map any time you make a change in a utility system? -
ANSWER-Note changes on prints and notify engineering for updates
What three views are used in working sketches? - ANSWER-Top, side, and isometric
What written documents explain points that are not readily explained by drawings? -
ANSWER-Specifications
What formula is used to calculate chemical feed rate in pounds per day? - ANSWER-
Dosing
What is defined as the vertical distance from the surface of the water to the point of
use? - ANSWER-Head
What is the weight of one gallon (gal.) of water? - ANSWER-8.34 lb.
How many feet of head does 1 pound per square inch (psi) of water produce? -
ANSWER-2.31
Which metric prefix equals 1,000? - ANSWER-Kilo
Metric wrenches are sized in - ANSWER-Millimeters
What is the study of living things? - ANSWER-Biology
Which disease is commonly transmitted through drinking water? - ANSWER-Typhoid
, What is osmotic pressure? - ANSWER-The passing of water from an area of low-salt
concentration to an area of high-concentration
What is the study of the composition of matter? - ANSWER-Chemistry
What is the smallest unit of an element? - ANSWER-Atom
What happens when a base and an acid are mixed? - ANSWER-Neutralization
Gate valves are found in cross-country pipelines because - ANSWER-They allow line
scrapers to pass through them
How many different basic designs of gate valves are there? - ANSWER-2
How often do you perform gate valve inspections in fuel/water systems? - ANSWER-
Quarterly/Semiannually
During repacking, you should place a gate valve in what position? - ANSWER-Closed
What type packing is most commonly used on globe valves? - ANSWER-Teflon string
Non-lubricated plug valves generally fall into four main types including lift, movable-
seat, resilient-liner, and - ANSWER-Double block and bleed (DBB)
Which item prevents leakage past the hub of the resilient-liner plug valve? - ANSWER-
Diaphragm seal
What type valve does not have to be removed during hydrostatic testing? - ANSWER-
Double block and bleed (DBB) plug valve
What inspection and maintenance items are performed on a double block and bleed
(DBB) plug valve during a routine scheduled interval? - ANSWER-Proper operation,
operator lubrication, checking for leaks, and corrosion control
A 12-inch nonlubricated plug valve will have what type of operator? - ANSWER-Worm
gear
What is the FIRST step in removing a General Twin Seal plug valve operator? -
ANSWER-Close the main valve
The fuel system configuration that would not require you to manually bleed air out of the
pipeline after a valve is replaced, involves pumping - ANSWER-Directly into a storage
tank
What determines the gallon per minute (gpm) delivery of a gear pump? - ANSWER-
Space around gears and rpms turning the pump
