Mechanical Engineering Quiz # 20

What is the heat source or heat sink for a ground-source heat pump?

The air above the frost line

The air

A solar panel

The ground or soil below the frost line

The sun

What term is used to identify any of the group of partially or completely halogenated simple hydrocarbons containing fluorine, chlorine or bromine?

Chlorofluorocarbons

CFC

Halon

HCFC

Freon

What are the components of the group of hydrocarbons known as Freon?

Hydrogen and helium

Carbon, hydrogen and oxygen

Fluorine, chlorine or bromine

Nitrogen, oxygen and sulfur

What part of an environmental system converts gas, oil, electricity or other fuel into heat for distribution within a structure?

Furnace

Air conditioner

Air Conditioner

Chimney

Heat pump

What type of energy is used to run furnaces?

Gas, oil, electricity or other fuel

Solar, wind or other renewable energy

Coal, nuclear or other fossil fuels

Solar energy, wind power or hydroelectric power

What is the name of the vessel used to boil off the water from the lithium bromide solution?

Heater

Refrigerator

Generator

Boiler

What is the purpose of the vessel in an absorption cycle?

The lithium bromide solution is reconcentrated by absorbing atmospheric water

The vessel prevents the reaction from occurring outside the permitted temperature range

The vessel removes impurities from the lithium bromide solution

The lithium bromide solution is reconcentrated by boiling off the previously absorbed water

The vessel increases the concentration of lithium in the solution

What type of air conditioning system uses freon as a refrigerant?

Glycol-Cooled System

Hydro-Cooled System

Freon-Cooled System

Freon-Refrigerated System

R134a Refrigerant

What is a typical location for the glycol-cooled condenser?

On the side of a building

In the attic

Inside the air conditioner

On the roof

What material is used to cool the freon?

Ice

Glycol

Water

Oil

Water from an underground well is being used as the heat source or what for a heat pump?

Heat sink

Coolant

Condenser

Cooling tower

Water heater

What is the name of the device used for the transfer of heat energy from the source to the conveying medium?

Thermosiphon

Condenser

Heater

Heat Exchanger

Conveyor Belt

What is the purpose of an oil cooler?

Reducing the noise level

Preventing the engine from overheating

Preventing the oil from becoming oil-soaked

Transfer of heat energy

Preventing engine overheating

Heat Gain is measured in what?

Calorie

BTU's

BTU/hour

Watts

What should be the local outdoor design temperature?

Winter

Fall

Spring

Summer

How is heat loss measured?

BTU's

Degrees

Calories

Watts

What is the main goal of a heat pump?

Heating

Neither heating nor cooling

Gain energy

Cooling

What type of cycle is used to turn heat into energy?

Electricity

Cooling

Heating

A combination of both

What is used as the heat source during the heating cycle?

Air outside the home

Gas burner

Electric heating elements

Gasoline

Electric heater

How does the rate at which a specific device can add substantial heat to a substance get expressed?

Celsius

WAT/min

BTUh

WAT/h

Watts

What is the name of the seasonally weighted performance factor?

Heating Seasonal Performance Factor

Cooling Seasonal Performance Factor

All Seasonal Performance Factor

What lies on its side?

Lateral Furnace

Horizontal Furnace

Vertical Furnace

Slag Heap

What kind of furnace is horizontal?

A furnace that is on its side

A furnace that is vertical

A furnace that stands up

A furnace that lies on its side

A furnace that hangs from the ceiling

What is the term used to describe the processes of heating, ventilation and air conditioning?

Ventilation

Heating

HVAC

AC

What is the acronym for HVAC?

Heating, Ventilation, and Air Conditioning

Heating, Ventilation, and Refrigeration

Human-Ventilation Conditioning

Heat Ventilation and Air Conditioning

What is the process of adding moisture to the air within a space?

Evaporation

Humidification

Condensation

Humidification is a process that adds what to the air?

Carbon dioxide

Moisture

Carbon Dioxide

Oxygen

Dry ice

What was designed to regulate humidity input?

Humidistat

Dehumidifier

Air Conditioner

In what type of device might the term "humidistat" be used?

A device used to measure the humidity output from a humidifier

A device used to control the humidity level in an environment

A device that measures humidity output

A device designed to regulate humidity input

A device used to control the level of humidity in a room

How do air conditioners remove moisture?

By using a dehumidifier

By desiccating it

By evaporating it

By evaporating water

For added comfort