Hydronics

Define comfort.

• Feeling hot and cold at the same time.

• Feeling neither warm or cold. Neutral

• Drinking Southern Comfort

• Slapping your wife's hand off the thermostat.

Name the device that measures humidity.

• Thermodisc

• Carbonaro Effect

• Thermometer

• Psychrometer

If you have a two story building and are filling the system with water, the gauge at the first floor reads ________.

• 10 psig

• 4 psig

• 8.66 psig

• 2.45 psig

What is the rule of thumb height per floor when calculating static head

• 10 ft

• 2 ft

• 4 ft

• 12.44 ft

Name the two types of drafts used during the combustion process.

• Natural draft and mechanical draft

• hot draft and cold draft

• set it and forget it. Let it rip tatter chip

• Prohibited draft and inhibited draft

List common materials used in the construction of boiler heat exchangers.

• Oak, glass, steel, aluminized iron, cast away

• Copper, stainless steel, cast iron, aluminum, steel

• Granite, copper, pine, stainless, bananas, steel

• Stone cold, aluminum, stainless, plastic

Select the best definition of FLOW SWITCH.

• A means of wasting money on parts when you purchase one.

• A means of proving flow through the boiler.

• A means of reversing flow through the boiler

• A means of going from the primary loop to the secondary loop.

A device used to automatically fill a hydronic system to a specific pressure limit.

• Flow control valve

• Aqua meter

• Compounding relief valve (CRV)

• Pressure reducing valve (PRV)

This device is often referred to as the single most import device on the boiler.......

• Pressure relief valve

• Flow control valve

• Virtual gauge

• Pressure reducing valve (PRV)

What is the ideal flue temp low limit to keep combustion gases from condensing in the flue?

• 120 F

• 200 F

• 250 F

• 160 F