Chapter 15

Question 1

Eaach of the following is a benefit of proper HVAC operations and maintenance that Jill enjoys except:

a. compliance with government and industry codes and regulations
b. improved building performance and reliability
c. maximum facility productivity through reduced downtime.
d. increased rental income.

Answer 1

d. increased rental income

Question 2

Sean learned early in his career as a property manager that proper lubricants that are used as recommended will protect precisely machined and aligned moving parts in an HVAC system against __________, or the gradual erosion or using up of the component material.

a. dirt
b. heat
c. wear
d. improperly trained technicians

Answer 2

c. wear

Question 3

In his years as a facilities manager, Roger has determined each of the following to be true about service technician training except:

a. service technician training is beneficial, but usually unnecessary for effective operations and maintenance of buildings.
b. specific training needs should be identified for service technicians on the building staff.
c. funds for service technician training should be included in the building budget.
d. a lack of service technician training could result in equipment malfunctions or failure.

Answer 3

A.

Question 4

Marge takes functional readings of air and water temps and flows, static pressure and motor amperage, and does insulation tests for the air handling unit in her building. She compares the results against the performance specifications for the air handling unit. This process is part of marge’s _______ program.

Answer 4

Preventative Maintenance.

Question 5

Patrick is in charge of starting up the chiller at his building. Berfore he begins system pretreatment, he commits to a thorough cleaning of the equipment. This cleaning will help to remove each of the follwoing potential problems except:

a. metal preservatives affecting heat transfer.
b. debris left on the equipment during job-site storage.
c. dirt deposits left on the equipment during construction.
d. rusting of the metal surfaces.

Answer 5

d. rusting of the metal surfaces

Question 6

Knowing that high concentrations of ________ can contribute to scale, sludge, foaming, and carryover, Melanie is vigilant in monitoring these concentrations as part of water treatment program for her building’s HVAC system.

a. ppm
b. pH
c. conductivity
d. TDS

Answer 6

d. TDS

Question 7

Derek uses _______ to measure cycles of concentration in the boiler, because they are readily soluble in the quantities and temperatures generally found in boiler and cooling water

a. chlorides
b. sulfates
c. sulfides
d. carbonates

Answer 7

a. chlorides

Question 8

Through a process called _______, Pedro ensures that water is constinuously removed from the recirculating system to reduce the concentrated solids in the air-conditioning cooling tower.

Answer 8

bleedoff

Question 9

In an effort to reduce the effects of corrosion on her building’s boiler, Sarah uses ________, which corrode instead of the equipment itself. Unfortunately, this method does not prevent corrosion and it only protects selected parts of the heat ex-changer.

a. rust-proofing coatings
b. stainless steel pipes
c. sacrificial anodes
d. corrosion inhibitors

Answer 9

c. sacrificial anodes

Question 10

Angela regularly checks the exposed cooling tower deck for signs of _________ so as to avoid its growth into rubbery masses that plug the return water distribution system.

a. iron-depositing bacteria
b. fungi
c. corrosive bacteria
d. algae

Answer 10

d. algae