WFSM PRE EOC BLOCK 1 QUESTIONS
AND ANSWERS 100% CORRECT
1. In which storage area would you find routinely used, high-use materials, such as
polyvinyl chloride (pvc) pipe, glue, cleaner, and nails?
a. residue holding area.
b. holding area.
c. shop stock.
d. bench stock. - ANSWER-d. bench stock
2. What happens when an individual planning a job orders the incorrect material by
mistake?
a. civil engineering (ce) must accept the material, even if it cannot be used for that job.
b. incorrect materials that are actually delivered are returned at the senders expense.
c. the individual who ordered the incorrect materials is entered into training.
d. the individual who planned the job pays for the incorrect material. - ANSWER-a. civil
engineering (ce) must accept the material, even if it cannot be used for that job.
3. What type of work is not part of preventive maintenance (pm)?
a. utilities operations.
b. utilities maintenance.
c. facility maintenance.
d. equipment maintenance. - ANSWER-a. utilities operations.
4. Which plan shows a top view of the building as if the top was cut off (cross-
sectional)?
a. mechanical
b. foundation
c. elevation plan.
d. floor plan - ANSWER-d. floor plan.
5. What do you do to a base utility map any time you make a change in a utility system?
a. discard the old prints
b. never modify original prints
c. have all original prints cleared through engineering.
d. note changes on prints and notify engineering. - ANSWER-d. note changes on prints
and notify engineering.
6. What three views are used in working sketches?
a. isometric, back and side
b. top, side, and isometric
c. front, back and side.
d. back, top and front - ANSWER-b. top, side and isometric
,7. What written documents explain points that are not readily explained by drawings?
a. base utilities maps
b. working sketches
c. Bill of materials (bom)
d. specifications - ANSWER-d. specifications
8. What formula is used to calculate chemical feed rate in pounds per day?
a. perimeter.
b. volume.
c. dosing.
d. area. - ANSWER-c. dosing
9. What is defined as the vertical distance from the surface of water to the point of use?
a. head
b. weight
c. volume
d. velocity - ANSWER-a. head
10. What is the weight of one gallon (gal.) of water?
a. 6.34 lb
b. 7.34 lb
c. 8.34 lb
d. 9.34 lb - ANSWER-c. 8.34 lb
11. How many feet of head does 1 pound per square inch (psi) of water produce?
a. 1.31
b. 2.31
c. 3.31
d. 4.31 - ANSWER-b. 2.31
12. Which metric prefix equals 1,000?
a. milli
b. centi
c. deci
d. kilo - ANSWER-d. kilo
13. Metric wrenches are sized in
a. kilometers
b. decimeters
c. centimeters
d. millimeters - ANSWER-d. millimeters
14. What is the study of living things?
a. biology
b. geometry
, c. chemistry
d. anatomy - ANSWER-a. biology
15. Which disease is commonly transmitted through drinking water?
a. typhoid
b. measles
c. mumps
d. cancer - ANSWER-a. typhoid
25. Non-lubricated plug valves generally fall into four main types including lift, movable-
seat, resilient-liner, and
a. check
b. globe
c. butterfly
d. double-block bleed (DBB) - ANSWER-d. double block and bleed (DBB)
26. Which item prevents leakage past the hub of the resilient-liner plug valve?
a. o-ring
b. diaphragm seal
c. asbestos gasket
d. graphite packing - ANSWER-b. diaphragm seal
27. What type valve does not have to be removed during hydrostatic testing?
a. double block and bleed (DBB) plug valve.
b. resilient liner plug valve.
c. gate valve.
d. ball valve. - ANSWER-a. double block and bleed (DBB) plug valve.
28. What inspection and maintenance items are performed on a double block bleed
(DBB) plug valve during a routine scheduled interval?
a. check for leaks and proper operation.
b. operator lubrication, bleed test, and corrosion control.
c. proper operation, operator lubrication, checking for leaks and corrosion control.
d. proper operation, checking for leaks, corrosion control, and replacement of the
sealing slips. - ANSWER-c. proper operation, operator lubrication, checking for leaks,
and corrosion control.
30. What is the first step in removing a General Twin Seal plug valve operator?
a. drain the line.
b. close the main valve.
c. open the main valve.
d. worm gear. - ANSWER-b. close the main valve
31. What type valve used in fuels systems must operate from fully open with a 90-
degree rotaion?
a. gate
AND ANSWERS 100% CORRECT
1. In which storage area would you find routinely used, high-use materials, such as
polyvinyl chloride (pvc) pipe, glue, cleaner, and nails?
a. residue holding area.
b. holding area.
c. shop stock.
d. bench stock. - ANSWER-d. bench stock
2. What happens when an individual planning a job orders the incorrect material by
mistake?
a. civil engineering (ce) must accept the material, even if it cannot be used for that job.
b. incorrect materials that are actually delivered are returned at the senders expense.
c. the individual who ordered the incorrect materials is entered into training.
d. the individual who planned the job pays for the incorrect material. - ANSWER-a. civil
engineering (ce) must accept the material, even if it cannot be used for that job.
3. What type of work is not part of preventive maintenance (pm)?
a. utilities operations.
b. utilities maintenance.
c. facility maintenance.
d. equipment maintenance. - ANSWER-a. utilities operations.
4. Which plan shows a top view of the building as if the top was cut off (cross-
sectional)?
a. mechanical
b. foundation
c. elevation plan.
d. floor plan - ANSWER-d. floor plan.
5. What do you do to a base utility map any time you make a change in a utility system?
a. discard the old prints
b. never modify original prints
c. have all original prints cleared through engineering.
d. note changes on prints and notify engineering. - ANSWER-d. note changes on prints
and notify engineering.
6. What three views are used in working sketches?
a. isometric, back and side
b. top, side, and isometric
c. front, back and side.
d. back, top and front - ANSWER-b. top, side and isometric
,7. What written documents explain points that are not readily explained by drawings?
a. base utilities maps
b. working sketches
c. Bill of materials (bom)
d. specifications - ANSWER-d. specifications
8. What formula is used to calculate chemical feed rate in pounds per day?
a. perimeter.
b. volume.
c. dosing.
d. area. - ANSWER-c. dosing
9. What is defined as the vertical distance from the surface of water to the point of use?
a. head
b. weight
c. volume
d. velocity - ANSWER-a. head
10. What is the weight of one gallon (gal.) of water?
a. 6.34 lb
b. 7.34 lb
c. 8.34 lb
d. 9.34 lb - ANSWER-c. 8.34 lb
11. How many feet of head does 1 pound per square inch (psi) of water produce?
a. 1.31
b. 2.31
c. 3.31
d. 4.31 - ANSWER-b. 2.31
12. Which metric prefix equals 1,000?
a. milli
b. centi
c. deci
d. kilo - ANSWER-d. kilo
13. Metric wrenches are sized in
a. kilometers
b. decimeters
c. centimeters
d. millimeters - ANSWER-d. millimeters
14. What is the study of living things?
a. biology
b. geometry
, c. chemistry
d. anatomy - ANSWER-a. biology
15. Which disease is commonly transmitted through drinking water?
a. typhoid
b. measles
c. mumps
d. cancer - ANSWER-a. typhoid
25. Non-lubricated plug valves generally fall into four main types including lift, movable-
seat, resilient-liner, and
a. check
b. globe
c. butterfly
d. double-block bleed (DBB) - ANSWER-d. double block and bleed (DBB)
26. Which item prevents leakage past the hub of the resilient-liner plug valve?
a. o-ring
b. diaphragm seal
c. asbestos gasket
d. graphite packing - ANSWER-b. diaphragm seal
27. What type valve does not have to be removed during hydrostatic testing?
a. double block and bleed (DBB) plug valve.
b. resilient liner plug valve.
c. gate valve.
d. ball valve. - ANSWER-a. double block and bleed (DBB) plug valve.
28. What inspection and maintenance items are performed on a double block bleed
(DBB) plug valve during a routine scheduled interval?
a. check for leaks and proper operation.
b. operator lubrication, bleed test, and corrosion control.
c. proper operation, operator lubrication, checking for leaks and corrosion control.
d. proper operation, checking for leaks, corrosion control, and replacement of the
sealing slips. - ANSWER-c. proper operation, operator lubrication, checking for leaks,
and corrosion control.
30. What is the first step in removing a General Twin Seal plug valve operator?
a. drain the line.
b. close the main valve.
c. open the main valve.
d. worm gear. - ANSWER-b. close the main valve
31. What type valve used in fuels systems must operate from fully open with a 90-
degree rotaion?
a. gate
