Alternative Heating and Cooling Systems

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Question 1

Unless they have a catalytic element, wood stove smoke emissions cannot exceed _____ grams per hour.

A	0.4
B	7.5
C	4.1
D	10

Question 2

Which of the following are found in an evaporative cooler?

A	Compressor, water pump, water-absorbing pad
B	Blower assembly, water-absorbing pad, water pump
C	Water pump, compressor, blower assembly
D	Water-absorbing pad, compressor, blower assembly

Question 3

A wood-burning stove must be installed at least _____ from a combustible wall.

A	12"
B	24"
C	36"
D	18"

Question 4

Evaporative pre-coolers save energy by _____.

A	pre-cooling suction gas
B	evaporating refrigerant
C	recovering waste heat
D	lowering head pressure

Question 5

Chilled-beam cooling systems are not widely used in the United States because _____.

A	they are difficult to maintain
B	they are inefficient
C	they are noisy
D	contractors are not familiar with them

Question 6

The U.S. government agency that is responsible for establishing rules governing the burning of waste oil is the _____.

A	DHS
B	DOE
C	EPA
D	DOD

Question 7

In-floor radiant hydronic heating systems typically use _____ to carry the heated fluid to the different zones.

A	galvanized steel pipes
B	rubber tubing
C	PEX tubing
D	PVC plastic pipe

Question 8

The fluid circulated through the ground loop of a geothermal heat pump must _____.

A	be non-toxic
B	contain ethylene-glycol
C	be non-flammable
D	be oil-soluble

Question 9

When wood is burned in a wood stove, it can deposit _____ in the chimney or vent.

A	minerals
B	ash
C	acid
D	creosote

Question 10

An 8" diameter stovepipe must be at least _____ away from combustibles.

A	16"
B	12"
C	18"
D	24"

Question 11

An evaporative pre-cooler is likely to be used if the _____.

A	air conditioner is installed above 5,000'
B	air conditioner is installed in a hot, humid climate
C	evaporator is exposed to high ambient temperatures
D	air conditioner is installed in a desert city

Question 12

The heater used in a waste-oil burner is there to _____.

A	remove contaminants from the waste oil
B	ignite the oil
C	comply with DOE waste-oil burning regulations
D	help maintain oil viscosity

Question 13

Which of the following problems is likely to occur if lake water is brought directly into the refrigerant-to-water heat exchanger used in a water-source heat pump?

A	Heat output will fluctuate over a wide range.
B	The heat exchanger may become clogged.
C	The condenser coil will freeze.
D	The TXV will hunt.

Question 14

In a passive chilled-beam cooling system, the water supplied to the chilled beam must be _____ the dew point of the air in the conditioned space.

A	the same temperature as
B	of a higher viscosity than
C	warmer than
D	cooler than

Question 15

A valance cooling system includes a _____.

A	zone valve, blower assembly, and condensate pan
B	condensate pan, blower assembly, and circulating pump
C	zone valve, condensate pan, and circulating pump
D	circulating pump, blower assembly, and zone valve

Question 16

In the U.S., a passive solar heating system requires _____ to be effective.

A	a pump
B	high-density insulation
C	south-facing windows
D	single-pane windows

Question 17

The ground loop in a geothermal heat pump is usually buried about _____ deep.

A	9'
B	3'
C	5'
D	12'

Question 18

A coal-burning stove can be safely vented using a _____ vent.

A	Type HT
B	Type C
C	Type PL
D	Type B

Question 19

A thermosyphon system is a type of _____ heating system.

A	geothermal
B	solar
C	heat pump
D	valance

Question 20

In heat pump water heaters used to heat potable water, the refrigerant-to-water heat exchanger must be _____.

A	double-walled
B	made of aluminum
C	made of galvanized steel
D	outside the water tank

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Alternative Heating and Cooling Systems

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