Hydronic Test Questions

In what three ways does the human body lose its heat

What is a milinch?

A compression tnak is not necessary in a system if a pressure reducing valve is udes

Plug a relief valve if it continues to drip

Water temps in a closed hydronic heating system does not affect the size of radiation and piping

The BTUH output of a boiler can be increased by raising the boiler water Temp

The BTUH carrying capacity of a pipe decreased as the velocity of water in that pipe increases

The function of a control transformer is to reduce line voltage current to low voltage current

The water in air is called

The pressure exerted by water vapor is called

Define latent heat

water at atmospheric pressure boils at a constant rate of ___ at sea level

*What are the four basic component parts of a water chiller

On what load is initial fan coil selection made, heating cooling?

How is the amount of added pressure drop determined for the pipe fittings in a piping curcuit

What term is applied to the total of the measured length of the longest circuit and the length added for fitting allowance

The available pump head per foot of pipe is usually expressed in ___ per foot

It is strongly recommended as the best enguneering practice that the package liquid cooler be set on a ____ foundation at least ____
the weight of the unit

Why should a floor be strong enough, other than to support the weight of a package liquid cooler

Water supply lines sizes should be at the 
___ of the regulating valve

In laying out the piping system for chilled water, careful attention must be given to ___ conditions and to the ____ of the ____

All high efficiency boilers must conform to the latest edition of the ASME ______________, section IV

Clearances for a boiler are based on the location and ______ system used on the instillation

Direct vent boilers my be vented with either a ______ side wall vent cap or a _____ roof top vent cap

When filling a heating system with water, open the _____ on the boiler until a steady flow of water is observed to be sure the boiler is not air bound

Nitrogen is the most commonly used _____ gas for pressurizing a HTW system

A solar collector is a ___ for trapping the sun's rays to heat a solution such as water, glycol or other fluid

Radiation heats the air but does not transfer heat energy through space to objects within a room

Balancing valves are used to control the flow of water to provide equal distribution of heat in a radiation panel system

An inverted bucket steam trap should not be installed in a steam heating system if large amounts of air are present in the system and they must be quickly vented