Corrosion can be greatly reduced in an oil-fired boiler scheduled for dry storage if after its shutdown _____.

Scaling in heat exchanger tubing used to heat fresh water occurs _____.

When preparing a boiler for dry storage _____.

The volume of air in cfm being delivered by a duct that has an area of 5 sq ft, average air velocity of 1,500 fpm is ________ cfm.

If a boiler will be subjected to freezing temperatures during an extended shutdown, it is normally placed in _____.  

The speed of the supply fan in an air distribution system normally is not adjusted if the volume of air flow measured is within _____ percent of the fan's design capacity at the related design rpm.

While a boiler is in dry storage, the condition of the desiccant should be checked about every _____.

During the startup of an air handling unit, you measure a supply duct static pressure of 1.25 in. w.c. and a return duct static pressure of –0.25 in. w.c. The total external static pressure is _____ in. w.c.    

When preparing a steam boiler for wet storage, the boiler is _____.

Bleed-off is a method used to _____.

When preparing to start up a previously installed steam boiler, the boiler oil burner nozzle must be _____.

Good practice recommends that the bacteriological quality of the water in a cooling tower be tested _____.

When firing a boiler at startup, the burner high-fire mode should be used _____.

The typical bleed-off rate that should be used for a 200-ton capacity cooling tower is _____ gallons per hour.

If higher-than-normal amounts of water treatment chemicals were used in a boiler during a period of wet storage, it may be necessary to _____.

The major community health issue related to poorly maintained cooling towers is the growth of _____.

When starting up a hot-water boiler, treated water is used to fill the _____.

All of the following should be done when preparing a screw chiller installed in an area that can be exposed to freezing temperatures for an extended shutdown except _____.

In a hot-water boiler, the system piping and controls are arranged to _____.

After shutdown of a centrifugal chiller is initiated, the compressor, chilled-water pump, and oil pump stop but the condenser water pump and tower fans continue to run. The most likely reason is the _____.

If the pH level of the chilled water flowing in a chilled-water system measures 7, _____.

The deadband on a centrifugal chiller's water temperature control is 1°F. This means the chilled water temperature is controlled within _____ of the temperature control setpoint.

When shutting down a reciprocating chiller with an air-cooled condenser for the winter season, the _____.

The normal sequence of operation for the startup of a centrifugal chiller and related chilled-water system is _____.

The procedures used to start up, operate, and shut down microprocessor-controlled centrifugal chillers and screw chillers are _____.