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Heat engine Heat pump Boiler Thermostat -a heating appliance that uses heat energy released from fossil fuels to warm
3 answers
asked by
Ashley
1,210 views
- Heaters are appliances that generate heat for a building.
- Central heating systems contain a boiler, furnace, or heat pump to
1 answer
14 views
A device that can be used both for cooling and heating is a _____.
heat engine compressor heat pump vaporizer I think it is Heat
3 answers
asked by
Cassie
613 views
A heat engine operates between two thermal reservoirs at 800 and 20"C. One-half of the work output of the heat engine is used to
1 answer
153 views
Why is it impossible for a heat engine to be 100% efficient?
A) Work cannot be done on a heat engine. B) Some heat is always lost
1 answer
asked by
Iwannaknow
153 views
Why is it impossible for a heat engine to be 100% efficient?
a. Entropy always decreases in a heat engine b. Work cannot be done
1 answer
asked by
kricket
75 views
In a large building, oil is used in a steam boiler heating system. The combustion of 1.0 lb of oil provides 2.2×107J.
Part A How
1 answer
asked by
john
4,390 views
Just as no mechanical device can be 100% efficient, no heat engine can transfer 100% of its heat to a single object. Some of the
1 answer
asked by
Jessica
1,046 views
A heat pump has a coefficient of performance of 4.5. If the heat pump absorbs 46.1 cal of heat from the cold outdoors in each
2 answers
asked by
jimmy
3,268 views
A heat pump has a coefficient of performance of 4.5. If the heat pump absorbs 46.1 cal of heat from the cold outdoors in each
1 answer
asked by
kate
599 views