Hydronic Heating

Posts Tagged ‘active solar heating’

1. The particles used to start a nuclear fission reaction is a(n)
a. proton
b.atom
c.neutron
d.electron

2. Many plastics and paints are made from
a. gasohol
b. biomass
c. uranium
d. petrochemicals

3. The main function of a dam in producing electricity is to
a. provide a sorce of fast-moving water
b. form a reservoir for recreation
c. prevent flooding after a hevay rain
d. provide a source of wind

4. The interior of your car heats up on a sunny day because of
a. solar cells
b. active solar heating
c.passive solar heating
d. indirect solar heating

5. Which of the following is a renewable energy source?
a.oil
b.wind
c.coal
d.natural gas

6.The number of different species in an area is called
a. habitat
b. wildlife
c. poaching
d. biodiversity

7. A keystone species is a species that
a. influences the survival of many other species in an ecosystem
b. preys on another species
c. is an endangered speccies
d. destroys the ecosystems

please help me thank you! my homework for this has 60 questions and i really need help with these 7.

57.) Solar collectors are parts a(n)… A.) active solar heating system B.) external combustion engine C.) radiant energy D.) passive solar heating system

58.) Refigerators and air conditioners are examples of… A.) heat engines B.) heat movers C.) heat pumps D.) solar collectors

59.) The process by which engine fuels burn is called… A.) combustion B.) condensation C.) conduction D.) convection

60.) Gasoline engines and diesel engines are… A.) insulators B.) external combustion engine C.) heat engine D.) heat mover

61.) A device that heats your home by removing thermal energy from one location and transferring it to another location at a different temperature is a(n)… A.) conductor B.) internal combustion engine C.) heat engine D.) heat mover

62.) A device that converts thermal energy into mechanical energy is a… A.) conductor B.) refrigerator C.) heat engine D.) heat mover

1.The transfer of thermal energy by conduction and convection DOES NOT require matter
2.The transfer of thermal energy by radiation DOES NOT require matter
3.A material that allows heat to pass through it easily is and INSULATOR
4.Insulation rated R-35 allows MORE heat to pass through it than insulation rated R-1
5Solar collectors are used in PASSIVE solar heating systems
6A solar heating system that does not use fans or electrical devices is AN ACTIVE solar heating system
7A steam engine is an example of an INTERNAL combustion engine
8.The fuel of an external combustion engine is burned OUTSIDE the engine
9.A STEAM-HEATING system uses radiators to transfer thermal energy
10.Refrigerators and air conditioners are HEAT PUMPS
11Steam-heating systems require MORE water than hot-water systems
12cause dark colors REFLECT more radiant energy than light colors, solar collectors are usually painted black
13Many external combustion engines are TURBINES to produce mechanical energy

57.) Solar collectors are parts a(n)… A.) active solar heating system B.) external combustion engine C.) radiant energy D.) passive solar heating system

58.) Refigerators and air conditioners are examples of… A.) heat engines B.) heat movers C.) heat pumps D.) solar collectors

59.) The process by which engine fuels burn is called… A.) combustion B.) condensation C.) conduction D.) convection

60.) Gasoline engines and diesel engines are… A.) insulators B.) external combustion engine C.) heat engine D.) heat mover

61.) A device that heats your home by removing thermal energy from one location and transferring it to another location at a different temperature is a(n)… A.) conductor B.) internal combustion engine C.) heat engine D.) heat mover

62.) A device that converts thermal energy into mechanical energy is a… A.) conductor B.) refrigerator C.) heat engine D.) heat mover

Electricity cannot flow through which of the following?

A) Series circuit
B) Open circuit
C) Parallel circuit
D) Close circuit

2) Explain the difference between passive solar-heating system active solar heating system?

3) How much energy does the light bulb need in order to operate for 8 hours?

a.passive solar heating systems
b.active solar heating systems
c.internal combustion engines
d.external combustion engines

a. passive solar heating systems
b. active solar heating systems
c. internal combustion engine
d. external combustion engines

please help.

a. active solar heating system
b. external combustion engine
c. radiant heating system
d. passive solar heating system